Date: Fri, 28 Oct 2005 14:11:02 +1300 From: Mark Kirkwood <markir@paradise.net.nz> To: Mark Kirkwood <markir@paradise.net.nz> Cc: current@freebsd.org Subject: Re: Timers and timing, was: MySQL Performance 6.0rc1 Message-ID: <43617AA6.2040406@paradise.net.nz> In-Reply-To: <436178EA.5020603@paradise.net.nz> References: <21137.1130401220@critter.freebsd.dk> <00a801c5dacf$db3b7700$6504010a@Jura> <43613541.7030009@mac.com> <43615BBB.2080702@paradise.net.nz> <43616A73.7030709@mac.com> <436178EA.5020603@paradise.net.nz>
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Mark Kirkwood wrote:
> To add to the confusion :-), here are results from a dual PIII 1G (Tyan
> S2510) running 6.0-RC1 (minus all debugging and malloc checking):
>
> null function: 0.01143
> getpid(): 0.51563
> time(): 5.27039
> gettimeofday(): 5.24489
>
> Interesting - kinda like the 5.4-STABLE results (but 2x slower for
> time....). Again a pretty stock kernel ('options SMP' added obviously).
>
Sorry - I am mistaken, there some debugging support enabled:
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
Not sure if that would explain the poor showing for the time tests tho.
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