Add speed tester for IdPath.

1 files changed, 48 insertions, 0 deletions

diff --git a/idpath-speed b/idpath-speed
new file mode 100755
index 0000000..42257a7
--- /dev/null
+++ b/idpath-speed
@@ -0,0 +1,48 @@
+#!/usr/bin/python
+# Copyright 2010  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 os
+import sys
+import time
+
+import obnamlib
+
+
+def main():
+    n = int(sys.argv[1])
+    dirname = sys.argv[2]
+    depth = int(sys.argv[3])
+    bits = int(sys.argv[4])
+    skip = int(sys.argv[5])
+    
+    idpath = obnamlib.IdPath(dirname, depth, bits, skip)
+    start = time.time()
+    for i in xrange(n):
+        path = idpath.convert(i)
+        dirname = os.path.dirname(path)
+        if not os.path.exists(dirname):
+            os.makedirs(dirname)
+        with open(path, 'w'):
+            pass
+    end = time.time()
+
+    duration = end - start
+    speed = n / duration
+    print '%d ids, %.1f seconds, %.1f ids/s' % (n, duration, speed)    
+
+if __name__ == '__main__':
+    main()