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Add LVQ8 support to CPP Runtime API #252

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Merged
rfsaliev merged 2 commits into from
Dec 23, 2025
Merged

Add LVQ8 support to CPP Runtime API #252

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4197718
Add LVQ8 support to CPP Runtime API
rfsaliev Dec 22, 2025
bac12f9
Set the 'Sequential' strategy for LVQ 8x0 storage type
rfsaliev Dec 22, 2025
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1 change: 1 addition & 0 deletions bindings/cpp/include/svs/runtime/api_defs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,7 @@ enum class StorageKind {
FP16,
SQI8,
LVQ4x0,
LVQ8x0,
LVQ4x4,
LVQ4x8,
LeanVec4x4,
Expand Down
21 changes: 14 additions & 7 deletions bindings/cpp/src/svs_runtime_utils.h
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Expand Up @@ -99,8 +99,8 @@ namespace storage {

// Consolidated storage kind checks using constexpr functions
inline constexpr bool is_lvq_storage(StorageKind kind) {
return kind == StorageKind::LVQ4x0 || kind == StorageKind::LVQ4x4 ||
kind == StorageKind::LVQ4x8;
return kind == StorageKind::LVQ4x0 || kind == StorageKind::LVQ8x0 ||
kind == StorageKind::LVQ4x4 || kind == StorageKind::LVQ4x8;
}

inline constexpr bool is_leanvec_storage(StorageKind kind) {
Expand Down Expand Up @@ -129,6 +129,7 @@ SVS_DEFINE_STORAGE_KIND_TAG(FP32);
SVS_DEFINE_STORAGE_KIND_TAG(FP16);
SVS_DEFINE_STORAGE_KIND_TAG(SQI8);
SVS_DEFINE_STORAGE_KIND_TAG(LVQ4x0);
SVS_DEFINE_STORAGE_KIND_TAG(LVQ8x0);
SVS_DEFINE_STORAGE_KIND_TAG(LVQ4x4);
SVS_DEFINE_STORAGE_KIND_TAG(LVQ4x8);
SVS_DEFINE_STORAGE_KIND_TAG(LeanVec4x4);
Expand Down Expand Up @@ -235,18 +236,22 @@ struct StorageFactory<SQStorageType> {

// LVQ Storage support
#ifdef SVS_LVQ_HEADER
template <size_t Primary, size_t Residual>
template <size_t Primary, size_t Residual, typename Strategy>
using LVQDatasetType = svs::quantization::lvq::LVQDataset<
Primary,
Residual,
svs::Dynamic,
svs::quantization::lvq::Turbo<16, 8>,
Strategy,
svs::data::Blocked<svs::lib::Allocator<std::byte>>>;

using Sequential = svs::quantization::lvq::Sequential;
using Turbo16x8 = svs::quantization::lvq::Turbo<16, 8>;

// clang-format off
template <> struct StorageType<LVQ4x0Tag> { using type = LVQDatasetType<4, 0>; };
template <> struct StorageType<LVQ4x4Tag> { using type = LVQDatasetType<4, 4>; };
template <> struct StorageType<LVQ4x8Tag> { using type = LVQDatasetType<4, 8>; };
template <> struct StorageType<LVQ4x0Tag> { using type = LVQDatasetType<4, 0, Turbo16x8>; };
template <> struct StorageType<LVQ8x0Tag> { using type = LVQDatasetType<8, 0, Sequential>; };
template <> struct StorageType<LVQ4x4Tag> { using type = LVQDatasetType<4, 4, Turbo16x8>; };
template <> struct StorageType<LVQ4x8Tag> { using type = LVQDatasetType<4, 8, Turbo16x8>; };
// clang-format on

template <svs::quantization::lvq::IsLVQDataset LVQStorageType>
Expand Down Expand Up @@ -332,6 +337,8 @@ auto dispatch_storage_kind(StorageKind kind, F&& f, Args&&... args) {
return f(SQI8Tag{}, std::forward<Args>(args)...);
case StorageKind::LVQ4x0:
return f(LVQ4x0Tag{}, std::forward<Args>(args)...);
case StorageKind::LVQ8x0:
return f(LVQ8x0Tag{}, std::forward<Args>(args)...);
case StorageKind::LVQ4x4:
return f(LVQ4x4Tag{}, std::forward<Args>(args)...);
case StorageKind::LVQ4x8:
Expand Down
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