diff --git a/benchmarks/btreemap/canbench_results.yml b/benchmarks/btreemap/canbench_results.yml
index 1d2e9d80..108c18e9 100644
--- a/benchmarks/btreemap/canbench_results.yml
+++ b/benchmarks/btreemap/canbench_results.yml
@@ -2,1260 +2,1260 @@ benches:
   btreemap_v2_contains_10mib_values:
     total:
       calls: 1
-      instructions: 18483721
+      instructions: 16632877
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_256_128:
     total:
       calls: 1
-      instructions: 898074463
+      instructions: 899462217
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_0:
     total:
       calls: 1
-      instructions: 286876333
+      instructions: 285296168
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_1024:
     total:
       calls: 1
-      instructions: 280845034
+      instructions: 277932878
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_32_128:
     total:
       calls: 1
-      instructions: 240212893
+      instructions: 240233990
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_blob_8_128:
     total:
       calls: 1
-      instructions: 189757294
+      instructions: 190764575
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_principal:
     total:
       calls: 1
-      instructions: 248326038
+      instructions: 249247060
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_then_remove_blob_32_128:
     total:
       calls: 1
-      instructions: 929822486
+      instructions: 735347850
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_then_remove_u64_u64:
     total:
       calls: 1
-      instructions: 736289775
+      instructions: 597959237
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_then_remove_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 783052278
+      instructions: 788784522
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_u64_u64:
     total:
       calls: 1
-      instructions: 169813378
+      instructions: 170994633
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_128:
     total:
       calls: 1
-      instructions: 293090409
+      instructions: 293574736
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_vec_32_vec128:
     total:
       calls: 1
-      instructions: 293090409
+      instructions: 293574736
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_contains_zipf_10k_u64_u64:
     total:
       calls: 1
-      instructions: 135393801
+      instructions: 135743772
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_blob_256_128:
     total:
       calls: 1
-      instructions: 352584649
+      instructions: 458120431
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_blob_32_0:
     total:
       calls: 1
-      instructions: 100509231
+      instructions: 99688275
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_blob_32_1024:
     total:
       calls: 1
-      instructions: 255015339
+      instructions: 259497164
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_blob_32_128:
     total:
       calls: 1
-      instructions: 106205810
+      instructions: 104795876
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_blob_8_128:
     total:
       calls: 1
-      instructions: 55702017
+      instructions: 55624843
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_principal:
     total:
       calls: 1
-      instructions: 31523019
+      instructions: 31505971
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_u64_u64:
     total:
       calls: 1
-      instructions: 84894284
+      instructions: 90215726
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_vec_32_128:
     total:
       calls: 1
-      instructions: 38655866
+      instructions: 38587267
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_first_key_value_vec_32_vec128:
     total:
       calls: 1
-      instructions: 38655866
+      instructions: 38587267
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_100k_u64_u64:
     total:
       calls: 1
-      instructions: 2324488694
+      instructions: 2343388637
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_100k_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 2825742493
+      instructions: 2825742406
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_10mib_values:
     total:
       calls: 1
-      instructions: 264853978
+      instructions: 263003134
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob8_u64:
     total:
       calls: 1
-      instructions: 205954574
+      instructions: 205616407
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_1024_128:
     total:
       calls: 1
-      instructions: 2973112544
+      instructions: 2976233508
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_128_128:
     total:
       calls: 1
-      instructions: 575786182
+      instructions: 575922479
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_16_128:
     total:
       calls: 1
-      instructions: 222873051
+      instructions: 221769167
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_256_128:
     total:
       calls: 1
-      instructions: 903185650
+      instructions: 904561550
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_0:
     total:
       calls: 1
-      instructions: 288586363
+      instructions: 287006110
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_1024:
     total:
       calls: 1
-      instructions: 292713740
+      instructions: 290666868
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_128:
     total:
       calls: 1
-      instructions: 244952082
+      instructions: 245316350
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_16:
     total:
       calls: 1
-      instructions: 249242168
+      instructions: 247635259
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_256:
     total:
       calls: 1
-      instructions: 249314946
+      instructions: 248110723
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_32:
     total:
       calls: 1
-      instructions: 247473705
+      instructions: 244416294
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_4:
     total:
       calls: 1
-      instructions: 248138409
+      instructions: 246846060
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_512:
     total:
       calls: 1
-      instructions: 257516792
+      instructions: 257682297
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_64:
     total:
       calls: 1
-      instructions: 248375748
+      instructions: 247516635
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_32_8:
     total:
       calls: 1
-      instructions: 245327388
+      instructions: 247087511
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_4_128:
     total:
       calls: 1
-      instructions: 168233768
+      instructions: 169181540
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_512_128:
     total:
       calls: 1
-      instructions: 1589182180
+      instructions: 1591956275
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_64_128:
     total:
       calls: 1
-      instructions: 336202166
+      instructions: 336177062
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_blob_8_128:
     total:
       calls: 1
-      instructions: 194846097
+      instructions: 195978915
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_miss_u64_u64:
     total:
       calls: 1
-      instructions: 177058170
+      instructions: 178307024
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_miss_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 235378595
+      instructions: 235378508
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_miss_zipf_10k_u64_u64:
     total:
       calls: 1
-      instructions: 170849126
+      instructions: 171909834
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_principal:
     total:
       calls: 1
-      instructions: 250186765
+      instructions: 251107699
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_then_insert_blob_32_128:
     total:
       calls: 1
-      instructions: 772136939
+      instructions: 525765859
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_then_insert_u64_u64:
     total:
       calls: 1
-      instructions: 542500156
+      instructions: 375030642
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_then_insert_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 594578003
+      instructions: 604576977
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_then_remove_blob_32_128:
     total:
       calls: 1
-      instructions: 962059972
+      instructions: 750750883
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_then_remove_u64_u64:
     total:
       calls: 1
-      instructions: 740840122
+      instructions: 602628511
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_then_remove_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 787584834
+      instructions: 793317078
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_u64_blob8:
     total:
       calls: 1
-      instructions: 193975365
+      instructions: 194648488
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_u64_u64:
     total:
       calls: 1
-      instructions: 174490279
+      instructions: 175700899
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_u64_vec8:
     total:
       calls: 1
-      instructions: 167443479
+      instructions: 168427952
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec8_u64:
     total:
       calls: 1
-      instructions: 270920846
+      instructions: 265721428
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_1024_128:
     total:
       calls: 1
-      instructions: 1401866850
+      instructions: 1400848737
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_128_128:
     total:
       calls: 1
-      instructions: 479287247
+      instructions: 480257637
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_16_128:
     total:
       calls: 1
-      instructions: 344463484
+      instructions: 344724815
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_256_128:
     total:
       calls: 1
-      instructions: 646324172
+      instructions: 644328825
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_0:
     total:
       calls: 1
-      instructions: 273323059
+      instructions: 273037776
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_1024:
     total:
       calls: 1
-      instructions: 445969681
+      instructions: 445716443
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_128:
     total:
       calls: 1
-      instructions: 299430441
+      instructions: 300131961
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_16:
     total:
       calls: 1
-      instructions: 308866094
+      instructions: 308851199
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_256:
     total:
       calls: 1
-      instructions: 327674384
+      instructions: 327999269
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_32:
     total:
       calls: 1
-      instructions: 268350949
+      instructions: 269052857
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_4:
     total:
       calls: 1
-      instructions: 270096896
+      instructions: 269993263
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_512:
     total:
       calls: 1
-      instructions: 345969254
+      instructions: 347952793
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_64:
     total:
       calls: 1
-      instructions: 289651598
+      instructions: 287241239
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_32_8:
     total:
       calls: 1
-      instructions: 266782433
+      instructions: 266996994
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_4_128:
     total:
       calls: 1
-      instructions: 208489486
+      instructions: 211972536
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_512_128:
     total:
       calls: 1
-      instructions: 1031162081
+      instructions: 1030433439
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_64_128:
     total:
       calls: 1
-      instructions: 402810590
+      instructions: 401774425
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_vec_8_128:
     total:
       calls: 1
-      instructions: 281643619
+      instructions: 282634913
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_zipf_100k_u64_u64:
     total:
       calls: 1
-      instructions: 1985797141
+      instructions: 1991798722
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_zipf_100k_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 2743225280
+      instructions: 2743225193
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_zipf_10k_u64_u64:
     total:
       calls: 1
-      instructions: 140000904
+      instructions: 140464655
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_zipf_10k_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 226994813
+      instructions: 226994711
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_get_zipf_heavy_10k_u64_u64:
     total:
       calls: 1
-      instructions: 87479763
+      instructions: 87684088
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_insert_100k_u64_u64:
     total:
       calls: 1
-      instructions: 4783069961
+      instructions: 4291778109
       heap_increase: 0
       stable_memory_increase: 60
     scopes: {}
   btreemap_v2_insert_10mib_values:
     total:
       calls: 1
-      instructions: 4389920873
+      instructions: 4375302957
       heap_increase: 161
       stable_memory_increase: 3613
     scopes: {}
   btreemap_v2_insert_blob8_u64:
     total:
       calls: 1
-      instructions: 438891007
+      instructions: 342831527
       heap_increase: 0
       stable_memory_increase: 4
     scopes: {}
   btreemap_v2_insert_blob_1024_128:
     total:
       calls: 1
-      instructions: 5498621739
-      heap_increase: 0
+      instructions: 4089419201
+      heap_increase: 2
       stable_memory_increase: 196
     scopes: {}
   btreemap_v2_insert_blob_128_128:
     total:
       calls: 1
-      instructions: 1183240670
+      instructions: 898938251
       heap_increase: 0
       stable_memory_increase: 46
     scopes: {}
   btreemap_v2_insert_blob_16_128:
     total:
       calls: 1
-      instructions: 488586148
+      instructions: 397233634
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_blob_256_128:
     total:
       calls: 1
-      instructions: 1791440822
+      instructions: 1385784168
       heap_increase: 0
       stable_memory_increase: 67
     scopes: {}
   btreemap_v2_insert_blob_32_0:
     total:
       calls: 1
-      instructions: 492829237
+      instructions: 404010801
       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_blob_32_1024:
     total:
       calls: 1
-      instructions: 705873529
+      instructions: 640535326
       heap_increase: 0
       stable_memory_increase: 173
     scopes: {}
   btreemap_v2_insert_blob_32_128:
     total:
       calls: 1
-      instructions: 544934108
+      instructions: 448746352
       heap_increase: 0
       stable_memory_increase: 28
     scopes: {}
   btreemap_v2_insert_blob_32_16:
     total:
       calls: 1
-      instructions: 521502709
+      instructions: 438405771
       heap_increase: 0
       stable_memory_increase: 11
     scopes: {}
   btreemap_v2_insert_blob_32_256:
     total:
       calls: 1
-      instructions: 573067512
+      instructions: 479120078
       heap_increase: 0
       stable_memory_increase: 49
     scopes: {}
   btreemap_v2_insert_blob_32_32:
     total:
       calls: 1
-      instructions: 531331458
+      instructions: 433815169
       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_32_4:
     total:
       calls: 1
-      instructions: 511755349
+      instructions: 420418817
       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_blob_32_512:
     total:
       calls: 1
-      instructions: 612438263
+      instructions: 543376008
       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_blob_32_64:
     total:
       calls: 1
-      instructions: 537296782
+      instructions: 447280905
       heap_increase: 0
       stable_memory_increase: 18
     scopes: {}
   btreemap_v2_insert_blob_32_8:
     total:
       calls: 1
-      instructions: 519958093
+      instructions: 423948483
       heap_increase: 0
       stable_memory_increase: 9
     scopes: {}
   btreemap_v2_insert_blob_4_128:
     total:
       calls: 1
-      instructions: 409378756
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       heap_increase: 0
       stable_memory_increase: 13
     scopes: {}
   btreemap_v2_insert_blob_512_128:
     total:
       calls: 1
-      instructions: 3043628657
-      heap_increase: 0
+      instructions: 2240845938
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       stable_memory_increase: 111
     scopes: {}
   btreemap_v2_insert_blob_64_128:
     total:
       calls: 1
-      instructions: 663570679
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       heap_increase: 0
       stable_memory_increase: 34
     scopes: {}
   btreemap_v2_insert_blob_8_128:
     total:
       calls: 1
-      instructions: 460891400
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       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_overwrite_u64_u64:
     total:
       calls: 1
-      instructions: 361880515
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       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_insert_overwrite_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 361439987
+      instructions: 371438961
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_insert_overwrite_zipf_10k_u64_u64:
     total:
       calls: 1
-      instructions: 351678455
+      instructions: 265045208
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_insert_principal:
     total:
       calls: 1
-      instructions: 504411405
+      instructions: 397790991
       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_seq_u64_u64:
     total:
       calls: 1
-      instructions: 475747680
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       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_seq_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 475044736
+      instructions: 472716458
       heap_increase: 0
       stable_memory_increase: 8
     scopes: {}
   btreemap_v2_insert_u64_blob8:
     total:
       calls: 1
-      instructions: 408807071
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       heap_increase: 0
       stable_memory_increase: 5
     scopes: {}
   btreemap_v2_insert_u64_u64:
     total:
       calls: 1
-      instructions: 416641538
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       heap_increase: 0
       stable_memory_increase: 6
     scopes: {}
   btreemap_v2_insert_u64_vec8:
     total:
       calls: 1
-      instructions: 412435236
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       heap_increase: 0
       stable_memory_increase: 21
     scopes: {}
   btreemap_v2_insert_vec8_u64:
     total:
       calls: 1
-      instructions: 595085830
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       heap_increase: 0
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_1024_128:
     total:
       calls: 1
-      instructions: 2745312743
+      instructions: 2192230335
       heap_increase: 0
       stable_memory_increase: 193
     scopes: {}
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     total:
       calls: 1
-      instructions: 1013486767
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       heap_increase: 0
       stable_memory_increase: 51
     scopes: {}
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     total:
       calls: 1
-      instructions: 709962271
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       heap_increase: 0
       stable_memory_increase: 31
     scopes: {}
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     total:
       calls: 1
-      instructions: 1402961414
+      instructions: 1181410426
       heap_increase: 0
       stable_memory_increase: 71
     scopes: {}
   btreemap_v2_insert_vec_32_0:
     total:
       calls: 1
-      instructions: 622901933
+      instructions: 510924354
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_1024:
     total:
       calls: 1
-      instructions: 1183025750
+      instructions: 1049358367
       heap_increase: 0
       stable_memory_increase: 171
     scopes: {}
   btreemap_v2_insert_vec_32_128:
     total:
       calls: 1
-      instructions: 757068356
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       heap_increase: 0
       stable_memory_increase: 33
     scopes: {}
   btreemap_v2_insert_vec_32_16:
     total:
       calls: 1
-      instructions: 667248591
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       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_256:
     total:
       calls: 1
-      instructions: 870137550
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       heap_increase: 0
       stable_memory_increase: 54
     scopes: {}
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     total:
       calls: 1
-      instructions: 662703096
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       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_4:
     total:
       calls: 1
-      instructions: 661403160
+      instructions: 539343255
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_32_512:
     total:
       calls: 1
-      instructions: 974550283
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       heap_increase: 0
       stable_memory_increase: 91
     scopes: {}
   btreemap_v2_insert_vec_32_64:
     total:
       calls: 1
-      instructions: 692676738
+      instructions: 564203551
       heap_increase: 0
       stable_memory_increase: 24
     scopes: {}
   btreemap_v2_insert_vec_32_8:
     total:
       calls: 1
-      instructions: 660889456
+      instructions: 533050455
       heap_increase: 0
       stable_memory_increase: 20
     scopes: {}
   btreemap_v2_insert_vec_4_128:
     total:
       calls: 1
-      instructions: 605196201
-      heap_increase: 0
+      instructions: 436367493
+      heap_increase: 1
       stable_memory_increase: 16
     scopes: {}
   btreemap_v2_insert_vec_512_128:
     total:
       calls: 1
-      instructions: 1859866730
+      instructions: 1567958241
       heap_increase: 0
       stable_memory_increase: 112
     scopes: {}
   btreemap_v2_insert_vec_64_128:
     total:
       calls: 1
-      instructions: 847258662
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       heap_increase: 0
       stable_memory_increase: 41
     scopes: {}
   btreemap_v2_insert_vec_8_128:
     total:
       calls: 1
-      instructions: 667223395
+      instructions: 528020057
       heap_increase: 0
       stable_memory_increase: 23
     scopes: {}
   btreemap_v2_last_key_value_blob_256_128:
     total:
       calls: 1
-      instructions: 150712776
+      instructions: 150673373
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_last_key_value_blob_32_0:
     total:
       calls: 1
-      instructions: 32538678
+      instructions: 32536799
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_last_key_value_blob_32_1024:
     total:
       calls: 1
-      instructions: 168949491
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       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_last_key_value_blob_32_128:
     total:
       calls: 1
-      instructions: 122354174
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       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_last_key_value_blob_8_128:
     total:
       calls: 1
-      instructions: 52855855
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       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_last_key_value_principal:
     total:
       calls: 1
-      instructions: 32058181
+      instructions: 76710295
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_last_key_value_u64_u64:
     total:
       calls: 1
-      instructions: 81195505
+      instructions: 86931340
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_last_key_value_vec_32_128:
     total:
       calls: 1
-      instructions: 73273192
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       heap_increase: 0
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     scopes: {}
   btreemap_v2_last_key_value_vec_32_vec128:
     total:
       calls: 1
-      instructions: 73273192
+      instructions: 78201482
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_blob512_u64:
     total:
       calls: 1
-      instructions: 1643937985
+      instructions: 1643830358
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_u64_blob512:
     total:
       calls: 1
-      instructions: 212669038
+      instructions: 214214487
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_u64_u64:
     total:
       calls: 1
-      instructions: 213163935
+      instructions: 213714676
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_u64_vec512:
     total:
       calls: 1
-      instructions: 276514725
+      instructions: 277358190
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_get_vec512_u64:
     total:
       calls: 1
-      instructions: 939857595
+      instructions: 938767815
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_blob512_u64:
     total:
       calls: 1
-      instructions: 3128614878
-      heap_increase: 0
+      instructions: 2319454087
+      heap_increase: 1
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_blob512:
     total:
       calls: 1
-      instructions: 608204362
+      instructions: 534153431
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_u64:
     total:
       calls: 1
-      instructions: 521480782
+      instructions: 434571754
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_u64_vec512:
     total:
       calls: 1
-      instructions: 836012178
+      instructions: 736566555
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_insert_vec512_u64:
     total:
       calls: 1
-      instructions: 1966511677
+      instructions: 1618293038
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_blob512_u64:
     total:
       calls: 1
-      instructions: 4264053662
+      instructions: 3524433860
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_blob512:
     total:
       calls: 1
-      instructions: 879965338
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       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_u64:
     total:
       calls: 1
-      instructions: 735887467
+      instructions: 660790252
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_u64_vec512:
     total:
       calls: 1
-      instructions: 1219427655
+      instructions: 1148510151
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mem_manager_remove_vec512_u64:
     total:
       calls: 1
-      instructions: 3039345496
+      instructions: 2753136803
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mixed_get_insert_zipf_10k_u64_u64:
     total:
       calls: 1
-      instructions: 499914751
+      instructions: 337367150
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_mixed_get_insert_zipf_10k_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 568541315
+      instructions: 576031481
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_peek_then_pop_first_u64_u64:
     total:
       calls: 1
-      instructions: 612415506
+      instructions: 451846877
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_peek_then_pop_last_u64_u64:
     total:
       calls: 1
-      instructions: 596909726
+      instructions: 445250519
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_peek_then_pop_last_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 696727719
+      instructions: 701932179
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_256_128:
     total:
       calls: 1
-      instructions: 1752818943
+      instructions: 1451860053
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_0:
     total:
       calls: 1
-      instructions: 518748769
+      instructions: 398686459
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_1024:
     total:
       calls: 1
-      instructions: 851431505
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       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_32_128:
     total:
       calls: 1
-      instructions: 617792608
+      instructions: 482616093
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_blob_8_128:
     total:
       calls: 1
-      instructions: 439003841
+      instructions: 337064290
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_principal:
     total:
       calls: 1
-      instructions: 545962762
+      instructions: 414634432
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_u64_u64:
     total:
       calls: 1
-      instructions: 513282632
+      instructions: 404184794
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_128:
     total:
       calls: 1
-      instructions: 789544055
+      instructions: 677735066
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_first_vec_32_vec128:
     total:
       calls: 1
-      instructions: 789544055
+      instructions: 677735066
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_256_128:
     total:
       calls: 1
-      instructions: 1658612907
+      instructions: 1356341901
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_0:
     total:
       calls: 1
-      instructions: 486831845
+      instructions: 366514459
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_1024:
     total:
       calls: 1
-      instructions: 819931179
+      instructions: 714422032
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_32_128:
     total:
       calls: 1
-      instructions: 584383403
+      instructions: 462413165
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_blob_8_128:
     total:
       calls: 1
-      instructions: 427149154
+      instructions: 319261539
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_principal:
     total:
       calls: 1
-      instructions: 527343866
+      instructions: 387499419
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_u64_u64:
     total:
       calls: 1
-      instructions: 489604710
+      instructions: 390486139
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_128:
     total:
       calls: 1
-      instructions: 766328757
+      instructions: 656405996
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_pop_last_vec_32_vec128:
     total:
       calls: 1
-      instructions: 766328757
+      instructions: 656405996
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_range_count_1k_0b:
     total:
       calls: 1
-      instructions: 16962
+      instructions: 17438
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_range_count_1k_10kib:
     total:
       calls: 1
-      instructions: 2507196
+      instructions: 2403569
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -1269,14 +1269,14 @@ benches:
   btreemap_v2_range_key_sum_1k_0b:
     total:
       calls: 1
-      instructions: 16933
+      instructions: 17409
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_range_key_sum_1k_10kib:
     total:
       calls: 1
-      instructions: 2572994
+      instructions: 2469367
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -1290,21 +1290,21 @@ benches:
   btreemap_v2_range_small_u64_u64:
     total:
       calls: 1
-      instructions: 18511700
+      instructions: 18575496
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_range_value_sum_1k_0b:
     total:
       calls: 1
-      instructions: 17300
+      instructions: 17776
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_range_value_sum_1k_10kib:
     total:
       calls: 1
-      instructions: 20668618
+      instructions: 20796260
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
@@ -1318,448 +1318,448 @@ benches:
   btreemap_v2_remove_100k_u64_u64:
     total:
       calls: 1
-      instructions: 6934239178
+      instructions: 6459956144
       heap_increase: 0
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     scopes: {}
   btreemap_v2_remove_100k_u64_u64_nocache:
     total:
       calls: 1
-      instructions: 6919819278
+      instructions: 7007814665
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_10mib_values:
     total:
       calls: 1
-      instructions: 4711743233
+      instructions: 4705256210
       heap_increase: 0
       stable_memory_increase: 657
     scopes: {}
   btreemap_v2_remove_blob8_u64:
     total:
       calls: 1
-      instructions: 585416459
+      instructions: 494480126
       heap_increase: 0
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     scopes: {}
   btreemap_v2_remove_blob_1024_128:
     total:
       calls: 1
-      instructions: 7280230548
+      instructions: 6125634073
       heap_increase: 0
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     scopes: {}
   btreemap_v2_remove_blob_128_128:
     total:
       calls: 1
-      instructions: 1578192013
+      instructions: 1337749920
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_16_128:
     total:
       calls: 1
-      instructions: 665039226
+      instructions: 586094449
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_256_128:
     total:
       calls: 1
-      instructions: 2400178691
+      instructions: 2005641441
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_0:
     total:
       calls: 1
-      instructions: 654578268
+      instructions: 590771254
       heap_increase: 0
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     scopes: {}
   btreemap_v2_remove_blob_32_1024:
     total:
       calls: 1
-      instructions: 981436308
+      instructions: 941187011
       heap_increase: 0
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     scopes: {}
   btreemap_v2_remove_blob_32_128:
     total:
       calls: 1
-      instructions: 745566132
+      instructions: 655869991
       heap_increase: 0
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     scopes: {}
   btreemap_v2_remove_blob_32_16:
     total:
       calls: 1
-      instructions: 699604173
+      instructions: 625128260
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_256:
     total:
       calls: 1
-      instructions: 782321020
+      instructions: 700056800
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_32:
     total:
       calls: 1
-      instructions: 711451431
+      instructions: 624857798
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_4:
     total:
       calls: 1
-      instructions: 696115676
+      instructions: 617487671
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_512:
     total:
       calls: 1
-      instructions: 855760433
+      instructions: 800021230
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_64:
     total:
       calls: 1
-      instructions: 736358929
+      instructions: 654498983
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_32_8:
     total:
       calls: 1
-      instructions: 695620819
+      instructions: 614281188
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_4_128:
     total:
       calls: 1
-      instructions: 453341383
+      instructions: 373323149
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_512_128:
     total:
       calls: 1
-      instructions: 4029563559
+      instructions: 3406946939
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_64_128:
     total:
       calls: 1
-      instructions: 906421907
+      instructions: 811679791
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_blob_8_128:
     total:
       calls: 1
-      instructions: 599811841
+      instructions: 520343675
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_principal:
     total:
       calls: 1
-      instructions: 682445857
+      instructions: 598900093
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_blob8:
     total:
       calls: 1
-      instructions: 567554311
+      instructions: 524277916
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_u64:
     total:
       calls: 1
-      instructions: 588118977
+      instructions: 533948350
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_u64_vec8:
     total:
       calls: 1
-      instructions: 572766786
+      instructions: 519927029
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec8_u64:
     total:
       calls: 1
-      instructions: 754547542
+      instructions: 638942966
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_1024_128:
     total:
       calls: 1
-      instructions: 4389758335
+      instructions: 3955976774
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_128_128:
     total:
       calls: 1
-      instructions: 1405073079
+      instructions: 1290393122
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_16_128:
     total:
       calls: 1
-      instructions: 917676522
+      instructions: 792212701
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_256_128:
     total:
       calls: 1
-      instructions: 2219301691
+      instructions: 1974882757
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_0:
     total:
       calls: 1
-      instructions: 831967364
+      instructions: 740347933
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_1024:
     total:
       calls: 1
-      instructions: 1689269104
+      instructions: 1545910320
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_128:
     total:
       calls: 1
-      instructions: 1032868785
+      instructions: 902750586
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_16:
     total:
       calls: 1
-      instructions: 867682921
+      instructions: 782529045
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_256:
     total:
       calls: 1
-      instructions: 1233221626
+      instructions: 1109185713
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_32:
     total:
       calls: 1
-      instructions: 864129124
+      instructions: 771617799
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_4:
     total:
       calls: 1
-      instructions: 858831537
+      instructions: 772599254
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_512:
     total:
       calls: 1
-      instructions: 1397968704
+      instructions: 1267880569
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_64:
     total:
       calls: 1
-      instructions: 963345905
+      instructions: 840262373
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_32_8:
     total:
       calls: 1
-      instructions: 853023147
+      instructions: 764575818
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_4_128:
     total:
       calls: 1
-      instructions: 660778727
+      instructions: 511552975
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_512_128:
     total:
       calls: 1
-      instructions: 3036674847
+      instructions: 2719139728
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_64_128:
     total:
       calls: 1
-      instructions: 1175810683
+      instructions: 1040869622
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_vec_8_128:
     total:
       calls: 1
-      instructions: 819786629
+      instructions: 700913260
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_remove_zipf_10k_u64_u64:
     total:
       calls: 1
-      instructions: 341014143
+      instructions: 272321922
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_iter_1k_0b:
     total:
       calls: 1
-      instructions: 975992
+      instructions: 980927
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_iter_1k_10kib:
     total:
       calls: 1
-      instructions: 2491763
+      instructions: 2465246
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_iter_20_10mib:
     total:
       calls: 1
-      instructions: 18467176
+      instructions: 18468649
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_iter_rev_1k_0b:
     total:
       calls: 1
-      instructions: 978166
+      instructions: 980453
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_iter_rev_1k_10kib:
     total:
       calls: 1
-      instructions: 2475597
+      instructions: 2452399
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_iter_rev_20_10mib:
     total:
       calls: 1
-      instructions: 18467168
+      instructions: 18468641
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_keys_1k_0b:
     total:
       calls: 1
-      instructions: 982657
+      instructions: 987592
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_keys_1k_10kib:
     total:
       calls: 1
-      instructions: 2498428
+      instructions: 2471911
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_keys_20_10mib:
     total:
       calls: 1
-      instructions: 18467320
+      instructions: 18468793
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_keys_rev_1k_0b:
     total:
       calls: 1
-      instructions: 984223
+      instructions: 986510
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_keys_rev_1k_10kib:
     total:
       calls: 1
-      instructions: 2481654
+      instructions: 2458456
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_keys_rev_20_10mib:
     total:
       calls: 1
-      instructions: 18467298
+      instructions: 18468771
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_values_1k_0b:
     total:
       calls: 1
-      instructions: 1230992
+      instructions: 1235927
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_values_1k_10kib:
     total:
       calls: 1
-      instructions: 56740279
+      instructions: 56782402
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_values_20_10mib:
     total:
       calls: 1
-      instructions: 1103710894
+      instructions: 1103711407
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_values_rev_1k_0b:
     total:
       calls: 1
-      instructions: 1231498
+      instructions: 1233785
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_values_rev_1k_10kib:
     total:
       calls: 1
-      instructions: 56683107
+      instructions: 56751789
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreemap_v2_scan_values_rev_20_10mib:
     total:
       calls: 1
-      instructions: 1103710405
+      instructions: 1103710947
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/btreeset/canbench_results.yml b/benchmarks/btreeset/canbench_results.yml
index 7031b5e1..0a080d40 100644
--- a/benchmarks/btreeset/canbench_results.yml
+++ b/benchmarks/btreeset/canbench_results.yml
@@ -2,700 +2,700 @@ benches:
   btreeset_insert_blob_1024:
     total:
       calls: 1
-      instructions: 7266956788
+      instructions: 4096762494
       heap_increase: 1
       stable_memory_increase: 256
     scopes: {}
   btreeset_insert_blob_128:
     total:
       calls: 1
-      instructions: 1637831818
+      instructions: 994766949
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_16:
     total:
       calls: 1
-      instructions: 716728742
+      instructions: 452863495
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_256:
     total:
       calls: 1
-      instructions: 2446289537
+      instructions: 1462541977
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_32:
     total:
       calls: 1
-      instructions: 815783126
+      instructions: 528107224
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_512:
     total:
       calls: 1
-      instructions: 4050903852
+      instructions: 2310838642
       heap_increase: 0
       stable_memory_increase: 128
     scopes: {}
   btreeset_insert_blob_64:
     total:
       calls: 1
-      instructions: 981533677
+      instructions: 624072231
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_blob_8:
     total:
       calls: 1
-      instructions: 695107777
+      instructions: 431434924
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_u32:
     total:
       calls: 1
-      instructions: 541229279
+      instructions: 356067360
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_insert_u64:
     total:
       calls: 1
-      instructions: 562562358
+      instructions: 380413243
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_blob_1024:
     total:
       calls: 1
-      instructions: 101680337
+      instructions: 102069743
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_blob_128:
     total:
       calls: 1
-      instructions: 16712295
+      instructions: 16715392
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_blob_16:
     total:
       calls: 1
-      instructions: 3049602
+      instructions: 3057066
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_blob_256:
     total:
       calls: 1
-      instructions: 28981189
+      instructions: 29311684
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_blob_32:
     total:
       calls: 1
-      instructions: 4315571
+      instructions: 4317715
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_blob_512:
     total:
       calls: 1
-      instructions: 53201464
+      instructions: 53621038
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_blob_64:
     total:
       calls: 1
-      instructions: 9211343
+      instructions: 9209475
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_blob_8:
     total:
       calls: 1
-      instructions: 2793050
+      instructions: 2791259
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_u32:
     total:
       calls: 1
-      instructions: 1921673
+      instructions: 1929170
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_intersection_u64:
     total:
       calls: 1
-      instructions: 1964949
+      instructions: 1966126
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_blob_1024:
     total:
       calls: 1
-      instructions: 43769567
+      instructions: 44028549
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_blob_128:
     total:
       calls: 1
-      instructions: 7897406
+      instructions: 7866415
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_blob_16:
     total:
       calls: 1
-      instructions: 1907832
+      instructions: 1887062
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_blob_256:
     total:
       calls: 1
-      instructions: 13164529
+      instructions: 13439142
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_blob_32:
     total:
       calls: 1
-      instructions: 2539466
+      instructions: 2548675
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_blob_512:
     total:
       calls: 1
-      instructions: 23366500
+      instructions: 23625705
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_blob_64:
     total:
       calls: 1
-      instructions: 4381408
+      instructions: 4389180
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_blob_8:
     total:
       calls: 1
-      instructions: 1850635
+      instructions: 1850978
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_u32:
     total:
       calls: 1
-      instructions: 1316543
+      instructions: 1300614
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_disjoint_u64:
     total:
       calls: 1
-      instructions: 1343356
+      instructions: 1355443
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_blob_1024:
     total:
       calls: 1
-      instructions: 358419
+      instructions: 360473
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_blob_128:
     total:
       calls: 1
-      instructions: 85062
+      instructions: 85468
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_blob_16:
     total:
       calls: 1
-      instructions: 53155
+      instructions: 54043
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_blob_256:
     total:
       calls: 1
-      instructions: 124179
+      instructions: 126623
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_blob_32:
     total:
       calls: 1
-      instructions: 44795
+      instructions: 44799
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_blob_512:
     total:
       calls: 1
-      instructions: 202259
+      instructions: 204470
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_blob_64:
     total:
       calls: 1
-      instructions: 55209
+      instructions: 55506
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_blob_8:
     total:
       calls: 1
-      instructions: 51777
+      instructions: 53346
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_u32:
     total:
       calls: 1
-      instructions: 42450
+      instructions: 43614
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_subset_u64:
     total:
       calls: 1
-      instructions: 43256
+      instructions: 44053
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_blob_1024:
     total:
       calls: 1
-      instructions: 78740555
+      instructions: 78979443
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_blob_128:
     total:
       calls: 1
-      instructions: 13352888
+      instructions: 13350129
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_blob_16:
     total:
       calls: 1
-      instructions: 2920490
+      instructions: 2902902
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_blob_256:
     total:
       calls: 1
-      instructions: 23003003
+      instructions: 23188089
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_blob_32:
     total:
       calls: 1
-      instructions: 4069766
+      instructions: 4083042
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_blob_512:
     total:
       calls: 1
-      instructions: 41561193
+      instructions: 41743303
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_blob_64:
     total:
       calls: 1
-      instructions: 7266779
+      instructions: 7280466
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_blob_8:
     total:
       calls: 1
-      instructions: 2727094
+      instructions: 2726274
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_u32:
     total:
       calls: 1
-      instructions: 1921351
+      instructions: 1919762
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_is_superset_u64:
     total:
       calls: 1
-      instructions: 1961281
+      instructions: 1955901
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_blob_1024:
     total:
       calls: 1
-      instructions: 430995530
+      instructions: 431626717
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_blob_128:
     total:
       calls: 1
-      instructions: 74503150
+      instructions: 74347680
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_blob_16:
     total:
       calls: 1
-      instructions: 14579696
+      instructions: 14603201
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_blob_256:
     total:
       calls: 1
-      instructions: 125787984
+      instructions: 129387220
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_blob_32:
     total:
       calls: 1
-      instructions: 20939791
+      instructions: 20847447
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_blob_512:
     total:
       calls: 1
-      instructions: 227475530
+      instructions: 230367409
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_blob_64:
     total:
       calls: 1
-      instructions: 39453577
+      instructions: 39259847
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_blob_8:
     total:
       calls: 1
-      instructions: 14004824
+      instructions: 13838776
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_u32:
     total:
       calls: 1
-      instructions: 10667867
+      instructions: 10645096
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_iter_u64:
     total:
       calls: 1
-      instructions: 10908079
+      instructions: 10781550
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_1024:
     total:
       calls: 1
-      instructions: 259870196
+      instructions: 259785932
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_128:
     total:
       calls: 1
-      instructions: 45508439
+      instructions: 45385642
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_16:
     total:
       calls: 1
-      instructions: 9508605
+      instructions: 9583941
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_256:
     total:
       calls: 1
-      instructions: 76456411
+      instructions: 78419986
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_32:
     total:
       calls: 1
-      instructions: 13294157
+      instructions: 13235727
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_512:
     total:
       calls: 1
-      instructions: 137589173
+      instructions: 139102127
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_64:
     total:
       calls: 1
-      instructions: 24443488
+      instructions: 24606935
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_blob_8:
     total:
       calls: 1
-      instructions: 9144616
+      instructions: 9248058
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_u32:
     total:
       calls: 1
-      instructions: 6480292
+      instructions: 6609057
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_range_u64:
     total:
       calls: 1
-      instructions: 6624379
+      instructions: 6591868
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_1024:
     total:
       calls: 1
-      instructions: 7723769472
-      heap_increase: 0
+      instructions: 4423467563
+      heap_increase: 1
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_128:
     total:
       calls: 1
-      instructions: 1667435780
+      instructions: 1006751587
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_16:
     total:
       calls: 1
-      instructions: 706481770
+      instructions: 454200455
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_256:
     total:
       calls: 1
-      instructions: 2535147032
+      instructions: 1525976294
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_32:
     total:
       calls: 1
-      instructions: 803118519
+      instructions: 541084260
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_512:
     total:
       calls: 1
-      instructions: 4262483247
-      heap_increase: 0
+      instructions: 2404488269
+      heap_increase: 1
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_64:
     total:
       calls: 1
-      instructions: 988152388
+      instructions: 653155159
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_blob_8:
     total:
       calls: 1
-      instructions: 684602545
+      instructions: 416027533
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_u32:
     total:
       calls: 1
-      instructions: 529154304
+      instructions: 349076873
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_remove_u64:
     total:
       calls: 1
-      instructions: 554060009
+      instructions: 363543763
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_blob_1024:
     total:
       calls: 1
-      instructions: 101670997
+      instructions: 102060403
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_blob_128:
     total:
       calls: 1
-      instructions: 16692203
+      instructions: 16695300
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_blob_16:
     total:
       calls: 1
-      instructions: 3027274
+      instructions: 3034738
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_blob_256:
     total:
       calls: 1
-      instructions: 28962633
+      instructions: 29293128
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_blob_32:
     total:
       calls: 1
-      instructions: 4281313
+      instructions: 4283457
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_blob_512:
     total:
       calls: 1
-      instructions: 53185980
+      instructions: 53605554
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_blob_64:
     total:
       calls: 1
-      instructions: 9190483
+      instructions: 9188615
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_blob_8:
     total:
       calls: 1
-      instructions: 2776181
+      instructions: 2774390
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_u32:
     total:
       calls: 1
-      instructions: 1901309
+      instructions: 1908806
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_symmetric_difference_u64:
     total:
       calls: 1
-      instructions: 1935566
+      instructions: 1936743
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_blob_1024:
     total:
       calls: 1
-      instructions: 101691006
+      instructions: 102080412
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_blob_128:
     total:
       calls: 1
-      instructions: 16712212
+      instructions: 16715309
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_blob_16:
     total:
       calls: 1
-      instructions: 3047765
+      instructions: 3055229
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_blob_256:
     total:
       calls: 1
-      instructions: 28982642
+      instructions: 29313137
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_blob_32:
     total:
       calls: 1
-      instructions: 4313788
+      instructions: 4315932
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_blob_512:
     total:
       calls: 1
-      instructions: 53205989
+      instructions: 53625563
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_blob_64:
     total:
       calls: 1
-      instructions: 9210492
+      instructions: 9208624
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_blob_8:
     total:
       calls: 1
-      instructions: 2791177
+      instructions: 2789386
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_u32:
     total:
       calls: 1
-      instructions: 1900823
+      instructions: 1908320
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   btreeset_union_u64:
     total:
       calls: 1
-      instructions: 1969072
+      instructions: 1970249
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/benchmarks/io_chunks/canbench_results.yml b/benchmarks/io_chunks/canbench_results.yml
index 4112f5c6..d406ece9 100644
--- a/benchmarks/io_chunks/canbench_results.yml
+++ b/benchmarks/io_chunks/canbench_results.yml
@@ -65,21 +65,21 @@ benches:
   write_chunks_btreemap_1:
     total:
       calls: 1
-      instructions: 357205465
+      instructions: 357205395
       heap_increase: 13
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_btreemap_1k:
     total:
       calls: 1
-      instructions: 4187223807
+      instructions: 3921144695
       heap_increase: 2
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_btreemap_1m:
     total:
       calls: 1
-      instructions: 83761099339
+      instructions: 53667232586
       heap_increase: 0
       stable_memory_increase: 3072
     scopes: {}
@@ -107,21 +107,21 @@ benches:
   write_chunks_vec_1:
     total:
       calls: 1
-      instructions: 549903461
+      instructions: 549903446
       heap_increase: 0
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_vec_1k:
     total:
       calls: 1
-      instructions: 562145515
+      instructions: 562132513
       heap_increase: 0
       stable_memory_increase: 1536
     scopes: {}
   write_chunks_vec_1m:
     total:
       calls: 1
-      instructions: 1784593101
+      instructions: 1771593099
       heap_increase: 0
       stable_memory_increase: 1536
     scopes: {}
diff --git a/benchmarks/nns/canbench_results.yml b/benchmarks/nns/canbench_results.yml
index 95d38b97..694a2443 100644
--- a/benchmarks/nns/canbench_results.yml
+++ b/benchmarks/nns/canbench_results.yml
@@ -58,56 +58,56 @@ benches:
   vote_cascading_stable_centralized_10k:
     total:
       calls: 1
-      instructions: 1372396240
+      instructions: 1361124087
       heap_increase: 10
       stable_memory_increase: 0
     scopes: {}
   vote_cascading_stable_centralized_1k:
     total:
       calls: 1
-      instructions: 99761831
+      instructions: 99953937
       heap_increase: 1
       stable_memory_increase: 0
     scopes: {}
   vote_cascading_stable_chain_10k_15:
     total:
       calls: 1
-      instructions: 9854978344
+      instructions: 9747582279
       heap_increase: 5
       stable_memory_increase: 0
     scopes: {}
   vote_cascading_stable_chain_10k_5:
     total:
       calls: 1
-      instructions: 2924577184
+      instructions: 2896435872
       heap_increase: 5
       stable_memory_increase: 0
     scopes: {}
   vote_cascading_stable_chain_1k_15:
     total:
       calls: 1
-      instructions: 866392564
-      heap_increase: 0
+      instructions: 866417732
+      heap_increase: 1
       stable_memory_increase: 0
     scopes: {}
   vote_cascading_stable_chain_1k_5:
     total:
       calls: 1
-      instructions: 251866705
-      heap_increase: 0
+      instructions: 248615294
+      heap_increase: 1
       stable_memory_increase: 0
     scopes: {}
   vote_cascading_stable_single_vote_10k:
     total:
       calls: 1
-      instructions: 91198
+      instructions: 92582
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
   vote_cascading_stable_single_vote_1k:
     total:
       calls: 1
-      instructions: 66620
+      instructions: 68060
       heap_increase: 0
       stable_memory_increase: 0
     scopes: {}
diff --git a/src/btreemap.rs b/src/btreemap.rs
index c67fcf00..afdf6547 100644
--- a/src/btreemap.rs
+++ b/src/btreemap.rs
@@ -666,7 +666,7 @@ where
             node
         } else {
             // Load the root from memory.
-            let mut root = self.load_node(self.root_addr);
+            let mut root = self.take_or_load_node(self.root_addr);
 
             // Check if the key already exists in the root.
             if let Ok(idx) = root.search(&key, self.memory()) {
@@ -693,7 +693,7 @@ where
                 self.save_header();
 
                 // Split the old (full) root.
-                self.split_child(&mut new_root, 0);
+                self.split_child(&mut new_root, 0, None);
 
                 new_root
             } else {
@@ -701,13 +701,19 @@ where
             }
         };
 
-        self.insert_nonfull(root, key, value)
+        self.insert_nonfull(root, key, value, 0)
             .map(Cow::Owned)
             .map(V::from_bytes)
     }
 
     /// Inserts an entry into a node that is *not full*.
-    fn insert_nonfull(&mut self, mut node: Node<K>, key: K, value: Vec<u8>) -> Option<Vec<u8>> {
+    fn insert_nonfull(
+        &mut self,
+        mut node: Node<K>,
+        key: K,
+        value: Vec<u8>,
+        depth: u8,
+    ) -> Option<Vec<u8>> {
         // We're guaranteed by the caller that the provided node is not full.
         assert!(!node.is_full());
 
@@ -737,28 +743,36 @@ where
                     NodeType::Internal => {
                         // The node is an internal node.
                         // Load the child that we should add the entry to.
-                        let mut child = self.load_node(node.child(idx));
+                        let mut child = self.take_or_load_node(node.child(idx));
+                        let child_depth = depth.saturating_add(1);
 
                         if child.is_full() {
                             // Check if the key already exists in the child.
                             if let Ok(idx) = child.search(&key, self.memory()) {
                                 // Key found, replace its value and return the old one.
+                                // The parent node is unmodified — return it to cache.
+                                self.return_node(node, depth);
                                 return Some(self.update_value(&mut child, idx, value));
                             }
 
                             // The child is full. Split the child.
-                            self.split_child(&mut node, idx);
+                            // Pass the already-loaded child to avoid a redundant load.
+                            self.split_child(&mut node, idx, Some(child));
 
                             // The children have now changed. Search again for
                             // the child where we need to store the entry in.
                             let idx = node.search(&key, self.memory()).unwrap_or_else(|idx| idx);
                             child = self.load_node(node.child(idx));
+                        } else {
+                            // Happy path: child is not full. The current node
+                            // will not be modified — return it to cache.
+                            self.return_node(node, depth);
                         }
 
                         // The child should now be not full.
                         assert!(!child.is_full());
 
-                        self.insert_nonfull(child, key, value)
+                        self.insert_nonfull(child, key, value, child_depth)
                     }
                 }
             }
@@ -782,12 +796,18 @@ where
     ///                [ N  O  P  Q  R ]   [ T  U  V  W  X ]
     /// ```
     ///
-    fn split_child(&mut self, node: &mut Node<K>, full_child_idx: usize) {
+    fn split_child(
+        &mut self,
+        node: &mut Node<K>,
+        full_child_idx: usize,
+        full_child: Option<Node<K>>,
+    ) {
         // The node must not be full.
         assert!(!node.is_full());
 
-        // The node's child must be full.
-        let mut full_child = self.load_node(node.child(full_child_idx));
+        // Use the pre-loaded child if provided, otherwise load from memory.
+        let mut full_child =
+            full_child.unwrap_or_else(|| self.load_node(node.child(full_child_idx)));
         assert!(full_child.is_full());
 
         // Create a sibling to this full child (which has to be the same type).
@@ -885,13 +905,15 @@ where
     }
 
     #[inline(always)]
-    fn first_entry_inner(&self, node: &Node<K>) -> Entry<K> {
-        self.find_first_or_last(node, true, 0, |n, i, m| n.get_key_read_value_uncached(i, m))
+    fn first_entry_inner(&self, node: &Node<K>, depth: u8) -> Entry<K> {
+        self.find_first_or_last(node, true, depth, |n, i, m| {
+            n.get_key_read_value_uncached(i, m)
+        })
     }
 
     #[inline(always)]
-    fn last_entry_inner(&self, node: &Node<K>) -> Entry<K> {
-        self.find_first_or_last(node, false, 0, |n, i, m| {
+    fn last_entry_inner(&self, node: &Node<K>, depth: u8) -> Entry<K> {
+        self.find_first_or_last(node, false, depth, |n, i, m| {
             n.get_key_read_value_uncached(i, m)
         })
     }
@@ -939,7 +961,7 @@ where
             return None;
         }
         let root = self.take_or_load_node(self.root_addr);
-        let (k, encoded_v) = self.first_entry_inner(&root);
+        let (k, encoded_v) = self.first_entry_inner(&root, 0);
         self.return_node(root, 0);
         Some((k, V::from_bytes(Cow::Owned(encoded_v))))
     }
@@ -951,7 +973,7 @@ where
             return None;
         }
         let root = self.take_or_load_node(self.root_addr);
-        let (k, encoded_v) = self.last_entry_inner(&root);
+        let (k, encoded_v) = self.last_entry_inner(&root, 0);
         self.return_node(root, 0);
         Some((k, V::from_bytes(Cow::Owned(encoded_v))))
     }
@@ -970,8 +992,8 @@ where
             return None;
         }
 
-        let root_node = self.load_node(self.root_addr);
-        self.remove_helper(root_node, key)
+        let root_node = self.take_or_load_node(self.root_addr);
+        self.remove_helper(root_node, key, 0)
             .map(Cow::Owned)
             .map(V::from_bytes)
     }
@@ -982,8 +1004,8 @@ where
             return None;
         }
 
-        let root = self.load_node(self.root_addr);
-        self.remove_rightmost(root)
+        let root = self.take_or_load_node(self.root_addr);
+        self.remove_rightmost(root, 0)
             .map(|(k, v)| (k, V::from_bytes(Cow::Owned(v))))
     }
 
@@ -993,13 +1015,13 @@ where
             return None;
         }
 
-        let root = self.load_node(self.root_addr);
-        self.remove_leftmost(root)
+        let root = self.take_or_load_node(self.root_addr);
+        self.remove_leftmost(root, 0)
             .map(|(k, v)| (k, V::from_bytes(Cow::Owned(v))))
     }
 
     /// A helper method for recursively removing a key from the B-tree.
-    fn remove_helper(&mut self, mut node: Node<K>, key: &K) -> Option<Vec<u8>> {
+    fn remove_helper(&mut self, mut node: Node<K>, key: &K, depth: u8) -> Option<Vec<u8>> {
         if node.address() != self.root_addr {
             // We're guaranteed that whenever this method is called an entry can be
             // removed from the node without it needing to be merged into a sibling.
@@ -1033,7 +1055,11 @@ where
                         self.save_header();
                         Some(value)
                     }
-                    _ => None, // Key not found.
+                    _ => {
+                        // Key not found. Return the unmodified node to cache.
+                        self.return_node(node, depth);
+                        None
+                    }
                 }
             }
             NodeType::Internal => {
@@ -1041,7 +1067,7 @@ where
                     Ok(idx) => {
                         // Case 2: The node is an internal node and the key exists in it.
 
-                        let left_child = self.load_node(node.child(idx));
+                        let left_child = self.take_or_load_node(node.child(idx));
                         if left_child.can_remove_entry_without_merging() {
                             // Case 2.a: A key can be removed from the left child without merging.
                             //
@@ -1064,7 +1090,8 @@ where
                             //        [...]          [...]
 
                             // Remove the predecessor in a single pass (no double traversal).
-                            let predecessor = self.remove_rightmost(left_child)?;
+                            let predecessor =
+                                self.remove_rightmost(left_child, depth.saturating_add(1))?;
 
                             // Replace the `key` with its predecessor.
                             let (_, old_value) = node.swap_entry(idx, predecessor, self.memory());
@@ -1074,7 +1101,7 @@ where
                             return Some(old_value);
                         }
 
-                        let right_child = self.load_node(node.child(idx + 1));
+                        let right_child = self.take_or_load_node(node.child(idx + 1));
                         if right_child.can_remove_entry_without_merging() {
                             // Case 2.b: A key can be removed from the right child without merging.
                             //
@@ -1096,8 +1123,12 @@ where
                             //                           /            \
                             //                        [...]          [...]
 
+                            // Return the unmodified left child to the cache.
+                            self.return_node(left_child, depth.saturating_add(1));
+
                             // Remove the successor in a single pass (no double traversal).
-                            let successor = self.remove_leftmost(right_child)?;
+                            let successor =
+                                self.remove_leftmost(right_child, depth.saturating_add(1))?;
 
                             // Replace the `key` with its successor.
                             let (_, old_value) = node.swap_entry(idx, successor, self.memory());
@@ -1157,23 +1188,28 @@ where
                         self.save_node(&mut new_child);
 
                         // Recursively delete the key.
-                        self.remove_helper(new_child, key)
+                        self.remove_helper(new_child, key, depth.saturating_add(1))
                     }
                     Err(idx) => {
                         // Case 3: The node is an internal node and the key does NOT exist in it.
 
                         // If the key does exist in the tree, it will exist in the subtree at index
                         // `idx`.
-                        let mut child = self.load_node(node.child(idx));
+                        let mut child = self.take_or_load_node(node.child(idx));
+                        let child_depth = depth.saturating_add(1);
 
                         if child.can_remove_entry_without_merging() {
                             // The child has enough nodes. Recurse to delete the `key` from the
                             // `child`.
-                            return self.remove_helper(child, key);
+                            // The current node is not modified — return it to cache.
+                            self.return_node(node, depth);
+                            return self.remove_helper(child, key, child_depth);
                         }
 
                         // An entry can't be removed from the child without merging.
                         // See if it has a sibling where an entry can be removed without merging.
+                        // Siblings are loaded without cache: all rebalancing paths modify
+                        // and save every loaded node, so caching them would be wasted.
                         let mut left_sibling = if idx > 0 {
                             Some(self.load_node(node.child(idx - 1)))
                         } else {
@@ -1237,7 +1273,7 @@ where
                                 self.save_node(left_sibling);
                                 self.save_node(&mut child);
                                 self.save_node(&mut node);
-                                return self.remove_helper(child, key);
+                                return self.remove_helper(child, key, child_depth);
                             }
                         }
 
@@ -1292,7 +1328,7 @@ where
                                 self.save_node(right_sibling);
                                 self.save_node(&mut child);
                                 self.save_node(&mut node);
-                                return self.remove_helper(child, key);
+                                return self.remove_helper(child, key, child_depth);
                             }
                         }
 
@@ -1323,7 +1359,7 @@ where
                                 self.save_node(&mut node);
                             }
 
-                            return self.remove_helper(left_sibling, key);
+                            return self.remove_helper(left_sibling, key, child_depth);
                         }
 
                         if let Some(right_sibling) = right_sibling {
@@ -1352,7 +1388,7 @@ where
                                 self.save_node(&mut node);
                             }
 
-                            return self.remove_helper(right_sibling, key);
+                            return self.remove_helper(right_sibling, key, child_depth);
                         }
 
                         unreachable!("At least one of the siblings must exist.");
@@ -1365,7 +1401,7 @@ where
     /// Removes and returns the rightmost (maximum) entry in the subtree rooted
     /// at `node`, in a single top-down pass. This avoids the double traversal
     /// of the previous approach (get_max + remove_helper).
-    fn remove_rightmost(&mut self, mut node: Node<K>) -> Option<Entry<K>> {
+    fn remove_rightmost(&mut self, mut node: Node<K>, depth: u8) -> Option<Entry<K>> {
         match node.node_type() {
             NodeType::Leaf => {
                 let entry = node.pop_entry(self.memory())?;
@@ -1383,18 +1419,24 @@ where
             }
             NodeType::Internal => {
                 let last_idx = node.children_len() - 1;
-                let mut child = self.load_node(node.child(last_idx));
+                let child_depth = depth.saturating_add(1);
+                let child = self.take_or_load_node(node.child(last_idx));
 
                 if child.can_remove_entry_without_merging() {
-                    return self.remove_rightmost(child);
+                    // The current node is not modified — return it to cache.
+                    self.return_node(node, depth);
+                    return self.remove_rightmost(child, child_depth);
                 }
 
                 // The rightmost child is at minimum. Steal from its left sibling or merge.
+                // Siblings are loaded without cache: all rebalancing paths modify
+                // and save every loaded node, so caching them would be wasted.
                 let left_sibling_idx = last_idx - 1;
                 let mut left_sibling = self.load_node(node.child(left_sibling_idx));
 
                 if left_sibling.can_remove_entry_without_merging() {
                     // Rotate right: left_sibling -> parent -> child
+                    let mut child = child;
                     let (left_key, left_value) = left_sibling.pop_entry(self.memory()).unwrap();
                     let (parent_key, parent_value) =
                         node.swap_entry(last_idx - 1, (left_key, left_value), self.memory());
@@ -1407,7 +1449,7 @@ where
                     self.save_node(&mut left_sibling);
                     self.save_node(&mut child);
                     self.save_node(&mut node);
-                    return self.remove_rightmost(child);
+                    return self.remove_rightmost(child, child_depth);
                 }
 
                 // Both at minimum: merge child into left sibling.
@@ -1427,14 +1469,14 @@ where
                     self.save_node(&mut node);
                 }
 
-                self.remove_rightmost(merged)
+                self.remove_rightmost(merged, child_depth)
             }
         }
     }
 
     /// Removes and returns the leftmost (minimum) entry in the subtree rooted
     /// at `node`, in a single top-down pass.
-    fn remove_leftmost(&mut self, mut node: Node<K>) -> Option<Entry<K>> {
+    fn remove_leftmost(&mut self, mut node: Node<K>, depth: u8) -> Option<Entry<K>> {
         match node.node_type() {
             NodeType::Leaf => {
                 if node.entries_len() == 0 {
@@ -1454,17 +1496,23 @@ where
                 Some(entry)
             }
             NodeType::Internal => {
-                let mut child = self.load_node(node.child(0));
+                let child_depth = depth.saturating_add(1);
+                let child = self.take_or_load_node(node.child(0));
 
                 if child.can_remove_entry_without_merging() {
-                    return self.remove_leftmost(child);
+                    // The current node is not modified — return it to cache.
+                    self.return_node(node, depth);
+                    return self.remove_leftmost(child, child_depth);
                 }
 
                 // The leftmost child is at minimum. Steal from its right sibling or merge.
+                // Siblings are loaded without cache: all rebalancing paths modify
+                // and save every loaded node, so caching them would be wasted.
                 let mut right_sibling = self.load_node(node.child(1));
 
                 if right_sibling.can_remove_entry_without_merging() {
                     // Rotate left: right_sibling -> parent -> child
+                    let mut child = child;
                     let (right_key, right_value) = right_sibling.remove_entry(0, self.memory());
                     let parent_entry = node.swap_entry(0, (right_key, right_value), self.memory());
                     child.push_entry(parent_entry);
@@ -1476,7 +1524,7 @@ where
                     self.save_node(&mut right_sibling);
                     self.save_node(&mut child);
                     self.save_node(&mut node);
-                    return self.remove_leftmost(child);
+                    return self.remove_leftmost(child, child_depth);
                 }
 
                 // Both at minimum: merge child into right sibling.
@@ -1492,7 +1540,7 @@ where
                     self.save_node(&mut node);
                 }
 
-                self.remove_leftmost(merged)
+                self.remove_leftmost(merged, child_depth)
             }
         }
     }
@@ -1674,6 +1722,9 @@ where
     }
 
     /// Saves the node to memory and invalidates the cache slot.
+    // TODO: benchmark putting the node back into the cache after saving
+    // instead of invalidating, so subsequent reads (especially of the root
+    // and depth-1 nodes) hit the cache. Requires cloning or taking ownership.
     #[inline]
     fn save_node(&mut self, node: &mut Node<K>) {
         node.save(self.allocator_mut());
diff --git a/src/btreemap/node_cache.rs b/src/btreemap/node_cache.rs
index c4eb1d2c..f2717aac 100644
--- a/src/btreemap/node_cache.rs
+++ b/src/btreemap/node_cache.rs
@@ -91,6 +91,9 @@ struct CacheSlot<K: Storable + Ord + Clone> {
     node: Option<Node<K>>,
 
     /// Distance from the tree root (root = 0). Used by the eviction policy.
+    /// u8 is sufficient: with B=6 (min 6 children per node), a depth-255
+    /// tree holds at least 2*6^254 entries (~10^197), far beyond any
+    /// practical stable memory size.
     depth: u8,
 }