Re: Auto-Adaptive scheduler and semaphore patch ( 2.2.14 ) ...

From: Davide Libenzi (davidel@maticad.it)
Date: Tue Jan 25 2000 - 14:34:28 EST


Tuesday, January 25, 2000 9:41 PM
David Lang <dlang@diginsite.com> wrote :
> if your new code reorders stuff to fit the cache better, but the old code
> does not then your new code will do better in comparisen then if both sets
> get teh optimization.

OK, You mean task_struct fields reordering.
ASAP I'll code my patch without task struct fields reorganization.

> if you dynamicly change from one to the other how can you benchmark the
> two to see where the proper place to switch over is? Also the test that
> you have in to use one or the other is pure overhead, for benchmarking it
> would be better to have two kernels, one with each scheduler and no test
> to choose between them.

Even if the patch must be evaluated for a relative high number of processes
in RQ
I'd like to measure the global patch with conventional benchmarks.

Cheers,
    Davide.

--
All this stuff is IMVHO

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