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Re: AMD64 64bit vs 32bit speed increase

On Fri, 2004-02-13 at 19:07, Stephen Waters wrote:
> Sure, the 32-bit + SSE version may be faster than the 64-bit + SSE
> version...   but if Debian i386 has only the 386^H^H486 version (no SIMD
> optimizations, etc.), then the AMD64 version is gonna win on all but
> cache-intensive, non-FPU-bound apps. Admittedly, this probably includes
> a good many Unix system utilities, but since I'm an amd64 desktop user,
> I'm highly interested FPU optimization.

Er, sorry to reply to myself. I just wondered if this would be a good
test of the cache-intensive, non-FPU case: tar'ing a large tmpfs /tmp
mount with disk swapping turned off?


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