Messages in this thread | | | Date | Wed, 3 Mar 2004 20:07:04 -0800 | From | Andrew Morton <> | Subject | Re: 2.4.23aa2 (bugfixes and important VM improvements for the high end) |
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Peter Zaitsev <peter@mysql.com> wrote: > > Sorry if I was unclear. These are suffexes from RH AS 3.0 kernel > namings. "SMP" corresponds to normal SMP kernel they have, "hugemem" > is kernel with 4G/4G split. > > > > > > For CPU bound load (10 Warehouses) I got 7000TPM instead of 4500TPM, > > > which is over 35% slowdown. > > > > Well no, it is a 56% speedup. Please clarify. Lots. > > Huh. The numbers shall be other way around of course :) "smp" kernel > had better performance of some 7000TPM, compared to 4500TPM with > HugeMem kernel.
That's a larger difference than I expected. But then, everyone has been mysteriously quiet with the 4g/4g benchmarking.
A kernel profile would be interesting. As would an optimisation effort, which, as far as I know, has never been undertaken.
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