Added configuration for asv

asv.conf.json

@@ -0,0 +1,14 @@
+{
+    "version": 1,
+    "project": "astropy",
+    "project_url": "http://astropy.org/",
+    "repo": "https://github.com/Cadair/astropy.git",
+    "branches": ["performance_issues_decompress_tile"],
+    "environment_type": "virtualenv",
+    "show_commit_url": "https://github.com/Cadair/astropy/commit/",
+    "pythons": ["3.11"],
+    "build_command": [
+        "python -m pip install build",
+        "python -m build --wheel -o {build_cache_dir} {build_dir}",
+    ]
+}

benchmarks/benchmarks.py

@@ -0,0 +1,16 @@
+import os
+from astropy.io import fits
+
+AIA_DATA = os.path.join(os.path.dirname(__file__), '..', 'data', 'aia_lev1_193a_2013_03_15t12_01_06_84z_image_lev1.fits')
+
+
+class TimeDataAccess:
+    """
+    An example benchmark that times the performance of various kinds
+    of iterating over dictionaries in Python.
+    """
+    def setup(self):
+        self.hdu = fits.open(AIA_DATA)[1]
+
+    def time_access_data_aia(self):
+        self.hdu.data

run_asv.sh

@@ -0,0 +1,7 @@
+#!/bin/bash -xe
+
+# Last commit before FITS changes
+taskset -c 0 asv run -e 9409d02ff9e101d4215f83aa1f9a23d805230fd0^!
+
+# All commits since
+taskset -c 0 asv run -e NEW