Re: [PATCH] Mantaining turnstile aligned to 128 bytes in i386 CPUs

2007/1/16, Ivan Voras <ivoras_at_fer.hr>:
> Kip Macy wrote:
> > x86 pre-P4 had 32-byte cache lines. Thus older processors will not benefit.
>
> But it does seem to hurt the performance a bit - maybe it's time to add
> another CPU option like I586_CPU and I686_CPU?

Well, it is my feeling that probabilly the align_cache parameter
should be a run-time settled parameter (in particular for ia32 CPUs
which changed a lot along the years).

Attilio


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