revert line trace; add simple bench

Author: alimanfoo

bench/compress_normal.py

@@ -0,0 +1,37 @@
+import numpy as np
+import sys
+sys.path.insert(0, '..')
+import zarr
+import line_profiler
+import timeit
+from zarr import blosc
+
+# setup
+a = np.random.normal(2000, 1000, size=200000000).astype('u2')
+z = zarr.empty_like(a, chunks=1000000, compression='blosc', compression_opts=dict(cname='lz4', clevel=5, shuffle=2))
+print(z)
+
+print('*' * 79)
+
+# time
+t = timeit.repeat('z[:] = a', repeat=10, number=1, globals=globals())
+print(t)
+print(min(t))
+print(z)
+
+# profile
+profile = line_profiler.LineProfiler(blosc.compress)
+profile.run('z[:] = a')
+profile.print_stats()
+
+print('*' * 79)
+
+# time
+t = timeit.repeat('z[:]', repeat=10, number=1, globals=globals())
+print(t)
+print(min(t))
+
+# profile
+profile = line_profiler.LineProfiler(blosc.decompress)
+profile.run('z[:]')
+profile.print_stats()

setup.py

@@ -45,7 +45,7 @@ def blosc_extension():
     include_dirs += [os.path.join('c-blosc', 'blosc')]
     include_dirs += glob('c-blosc/internal-complibs/*')
     define_macros += [('HAVE_LZ4', 1), ('HAVE_SNAPPY', 1), ('HAVE_ZLIB', 1)]
-    define_macros += [('CYTHON_TRACE', '1')]
+    # define_macros += [('CYTHON_TRACE', '1')]
     include_dirs.append(np.get_include())
 
     # determine CPU support for SSE2 and AVX2

zarr/blosc.pyx

@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 # cython: embedsignature=True
-# cython: profile=True
-# cython: linetrace=True
-# cython: binding=True
+# cython: profile=False
+# cython: linetrace=False
+# cython: binding=False
 from __future__ import absolute_import, print_function, division
 import threading