Regain lost performance improvements by using paths instead of targets for scanner calls and re-using Binder objects for identical paths.

1 files changed, 73 insertions, 0 deletions

diff --git a/bin/memoicmp.py b/bin/memoicmp.py
new file mode 100644
index 0000000..01be6a4
--- /dev/null
+++ b/bin/memoicmp.py
@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+#
+# A script to compare the --debug=memoizer output found int
+# two different files.
+
+import sys,string
+
+def memoize_output(fname):
+        mout = {}
+        lines=filter(lambda words:
+                     len(words) == 5 and
+                     words[1] == 'hits' and words[3] == 'misses',
+                     map(string.split, open(fname,'r').readlines()))
+        for line in lines:
+                mout[line[-1]] = ( int(line[0]), int(line[2]) )
+        return mout
+
+        
+def memoize_cmp(filea, fileb):
+        ma = memoize_output(filea)
+        mb = memoize_output(fileb)
+
+        print 'All output: %s / %s [delta]'%(filea, fileb)
+        print '----------HITS---------- ---------MISSES---------'
+        cfmt='%7d/%-7d [%d]'
+        ma_o = []
+        mb_o = []
+        mab  = []
+        for k in ma.keys():
+                if k in mb.keys():
+                        if k not in mab:
+                                mab.append(k)
+                else:
+                        ma_o.append(k)
+        for k in mb.keys():
+                if k in ma.keys():
+                        if k not in mab:
+                                mab.append(k)
+                else:
+                        mb_o.append(k)
+
+        mab.sort()
+        ma_o.sort()
+        mb_o.sort()
+        
+        for k in mab:
+                hits = cfmt%(ma[k][0], mb[k][0], mb[k][0]-ma[k][0])
+                miss = cfmt%(ma[k][1], mb[k][1], mb[k][1]-ma[k][1])
+                print '%-24s %-24s  %s'%(hits, miss, k)
+
+        for k in ma_o:
+                hits = '%7d/ --'%(ma[k][0])
+                miss = '%7d/ --'%(ma[k][1])
+                print '%-24s %-24s  %s'%(hits, miss, k)
+
+        for k in mb_o:
+                hits = '    -- /%-7d'%(mb[k][0])
+                miss = '    -- /%-7d'%(mb[k][1])
+                print '%-24s %-24s  %s'%(hits, miss, k)
+
+        print '-'*(24+24+1+20)
+        
+
+if __name__ == "__main__":
+        if len(sys.argv) != 3:
+                print """Usage: %s file1 file2
+
+Compares --debug=memomize output from file1 against file2."""%sys.argv[0]
+                sys.exit(1)
+
+        memoize_cmp(sys.argv[1], sys.argv[2])
+        sys.exit(0)
+