Date: Tue, 8 Feb 2005 07:51:14 +0000 (UTC) From: Nate Lawson <njl@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/fs/msdosfs msdosfs_conv.c Message-ID: <200502080751.j187pELE065537@repoman.freebsd.org>
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njl 2005-02-08 07:51:14 UTC
FreeBSD src repository
Modified files:
sys/fs/msdosfs msdosfs_conv.c
Log:
Unroll the loop for calculating the 8.3 filename checksum. In testing
on my P3, microbenchmarks show the unrolled version is 78x faster. In
actual use (recursive ls), this gives an average of 9% improvement in
system time and 2% improvement in wall time.
Revision Changes Path
1.39 +14 -5 src/sys/fs/msdosfs/msdosfs_conv.c
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