On Thu, 2002-10-31 at 15:31, Michael Hohnbaum wrote:
> Linus,
>
> Erich Focht has written scheduler extensions in support of
> NUMA systems. These extensions are being used at customer
> sites. I have branched off and done some similar NUMA scheduler
> extensions, though on a much smaller scale. We have combined
> efforts and produced two patches which provide minimal NUMA
> scheduler capabilities.
>
> The first patch provides node awareness to the load balancer.
> This is derived directly from Erich's Node aware NUMA scheduler.
> The second patch adds load balancing at exec. This is derived
> from work that I have done. Together, these patches provide
> performance gains for kernel compilation of between 5 and 10%.
> On memory bandwidth extensive microbenchmarks we have seen gains
> of 50-100%.
>
> Please consider for inclusion in 2.5.
>
Here is the second patch.
--Michael Hohnbaum 503-578-5486 hohnbaum@us.ibm.com T/L 775-5486
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