Add benchmark for pure cgzipreader

Author: rhpvorderman

benchmark_scripts/benchmark_cgzipreader.py

@@ -0,0 +1,11 @@
+from isal.isal_zlib import _IGzipReader
+
+import sys
+
+if __name__ == "__main__":
+    with open(sys.argv[1], "rb") as f:
+        reader = _IGzipReader(f, 512 * 1024)
+        while True:
+            block = reader.read(128 * 1024)
+            if not block:
+                break