* Zhang, Yanmin <[email protected]> wrote:
> > ( Config is at http://redhat.com/~mingo/misc/config, system is Core2Duo
> > 1.83 GHz, mysql-5.0.45, glibc-2.6. Nothing fancy either in the config
> > nor in the setup - everything is pretty close to the defaults. )
>
> I used FedoraCore 8 Test2 distribution, so glibc-2.6.90-13 already
> fixed the old malloc scalability issue. Cpu is 2.66GHZ quad core, 2
> physical processor, totally 8 cores. The regression is about 28%.
thanks for confirming this! I've updated glibc and mysql and now i can
reproduce something similar. (I have a theory about the reason of this
regression, and i'm working on a test-patch.)
Ingo
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