Benchmarking mpsafevfs with parallel tarball extraction
Brooks Davis
brooks at one-eyed-alien.net
Fri May 6 11:43:55 PDT 2005
On Fri, May 06, 2005 at 11:35:29AM -0700, Kris Kennaway wrote:
> Here are my benchmark numbers for parallel tarball extraction
> with/without mpsafevfs on a 12-processor E4500 running up-to-date 6.0.
> Kernel was built without INVARIANTS and other debugging options,
> without ADAPTIVE_GIANT (which causes about a 200% performance penalty
> on system time in my testing, and has marginal impact on real or user
> time) and with 4BSD scheduler (ULE causes spontaneous reboots on this
> machine). The e4500 uses the esp SCSI controller, which runs
> without Giant.
Excellect writeup! Thanks for doing this.
Many thanks to Jeff! Some of my users will certaintly thank you when
we upgrade our cluster to 6.x.
-- Brooks
--
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4
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