Add mmicrobenchmark for object serialisation

1 files changed, 57 insertions, 0 deletions

diff --git a/serialise-speed b/serialise-speed
new file mode 100755
index 00000000..d4530126
--- /dev/null
+++ b/serialise-speed
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+# Copyright 2010-2015  Lars Wirzenius
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import sys
+import time
+
+import cliapp
+
+import obnamlib
+
+
+def measure(n, func):
+    start = time.clock()
+    for i in range(n):
+        func()
+    end = time.clock()
+    return end - start
+
+
+class MicroBenchmark(cliapp.Application):
+
+    def process_args(self, args):
+        n = int(args[0])
+        obj = {
+            'foo': 'bar',
+            'big': 'x' * 1024**2,
+            'dict': {
+                'foo': 'yo',
+                'long': ['x'] * 1024**2,
+            }
+        }
+
+        encoded = obnamlib.serialise_object(obj)
+
+        calibrate = measure(n, lambda: None)
+        encode = measure(n, lambda: obnamlib.serialise_object(obj))
+        decode = measure(n, lambda: obnamlib.deserialise_object(encoded))
+        print 'encode: %.1f/s' % (n/(encode - calibrate))
+        print 'decode: %.1f/s' % (n/(decode - calibrate))
+
+
+if __name__ == '__main__':
+    MicroBenchmark().run()