Why is MySQL nearly twice as fast on Linux/AMD64 Vs. FreeBSD/AMD64?

mike mike at mike2k.com
Thu May 20 11:03:31 PDT 2004

i don't know if this is any idea - but why isnt something like
linuxthreads ported to amd64? i would think with the 64-bit architecture,
it could be even better than the i386 version.

again, i am threading-retarded, so if getting linuxthreads working on
freebsd 5.x on AMD64 is "not appropriate" because freebsd 5.x is supposed
to have it's own better threading library now, then just ignore me; but it
seems like linuxthreads has always been the fastest implementation on
freebsd. i'd be willing to put $$ towards accelerating the effort to get
mysql performance on freebsd 5.x AMD64 better. i don't know what the best
setup is, but whatever needs to be done and a way to patch/reproduce it.

i know that JG is interested in this [VERY MUCH], i am interested in this,
and i believe i've seen another few posts of other people trying to figure
this out as well...


On Thu, 20 May 2004, Steven Hartland wrote:

> Great minds... :)
> If you've gone to the trouble of installing i386 I wouldn't limit your tests to
> just WITH_LINUXTHREADS=yes, but also try pthreads as well it could be
> an AMD64 specific issue with pthreads implementation but I doubt it.
>     Steve
> ----- Original Message -----
> From: "JG" <amd64list
> > Yeah I was thinking about this last night.
> >
> > What a shame that would be though huh?
> >
> > I'll give it a try a bit later and post the results.
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