On Mon, 20 Jun 2005, David Sze wrote:
I'll be re-running super-smack against an InnoDB table. Any additional
requests for configurations to test, or other tweaking suggestions?
This is what I'll be trying:
FreeBSD/amd64 4.11-RELEASE, linuxthreads
FreeBSD/amd64 5.4-RELEASE, libpthread
FreeBSD/amd64 5.4-RELEASE, libpthread, process scope
FreeBSD/amd64 6.0-CURRENT, libpthread
FreeBSD/amd64 6.0-CURRENT, libpthread, process scope
FreeBSD/amd64 6.0-CURRENT, libthr, system scope
FreeBSD/amd64 6.0-CURRENT, libthr, process scope
CentOS/amd64 4.0
The different threading libraries are more for completeness. In my last
test I saw <10% difference between them on amd64.
I realize every additional variation increases the testing load, but I'd
be interested in seeing linuxthreads performance on 5.x/6.x also. While
we've worked hard to improve native threading, linuxthreading remains
fully functional, and given that MySQL may well be being optimized based
on assumptions regarding the Linux threading model, it could well be
linuxthreads comes in ahead on recent versions.
You probably did this in a prior e-mail but I may have missed it -- could
you forward me a copy of the 6.x kernel dmesg via private e-mail?
Thanks,
Robert N M Watson
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