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libgocryptfs/performance.txt

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OpenDir performance: Read DirIV once and reuse it for all names Formerly, we called decryptPath for every name. That resulted in a directory walk that reads in all diriv files on the way. Massive improvement for RM and LS (check performance.txt for details) VERSION UNTAR RM LS v0.4 48 5 1.5 v0.5-rc1 56 19 7 v0.5-rc1-1 54 9 4.1 <---- THIS VERSION
2015-11-29 19:57:48 +01:00
All test performed on tmpfs, /tmp/a mounted on /tmp/b.
UNTAR: tar xfz ../linux-3.0.tar.gz
LS: ls -lR > /dev/null
RM: rm -rf linux-3.0
VERSION UNTAR LS RM
v0.4 48 1.5 5
v0.5-rc1 56 7 19
v0.5-rc1-1 54 4.1 9
Add single-element cache for DirIV lookup Another 3x performance boost for applications that walk the directory tree. Excerpt from performance.txt: VERSION UNTAR LS RM v0.4 48 1.5 5 v0.5-rc1 56 7 19 v0.5-rc1-1 54 4.1 9 v0.5-rc1-2 45 1.7 3.4 <---- THIS VERSION
2015-11-29 21:41:38 +01:00
v0.5-rc1-2 45 1.7 3.4