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SubjectRe: [CFT] faster athlon/duron memory copy implementation
> On Thu, 2002-10-24 at 13:15, Manfred Spraul wrote:
>
> > Attached is a test app that compares several memory copy implementations.
> > Could you run it and report the results to me, together with cpu,
> > chipset and memory type?

CPU0: AMD Athlon(tm) MP 1800+ stepping 02

in a tyan tiger mpx (amd762 north bridge), two 512m non-buffered
pc2100 ddr sticks, in a mostly-idle dual workstation:

copy_page() tests
copy_page function 'warm up run' took 16543 cycles per page
copy_page function '2.4 non MMX' took 18241 cycles per page
copy_page function '2.4 MMX fallback' took 18144 cycles per page
copy_page function '2.4 MMX version' took 16551 cycles per page
copy_page function 'faster_copy' took 10099 cycles per page
copy_page function 'even_faster' took 10218 cycles per page
copy_page function 'no_prefetch' took 9618 cycles per page

copy_page() tests
copy_page function 'warm up run' took 16618 cycles per page
copy_page function '2.4 non MMX' took 18274 cycles per page
copy_page function '2.4 MMX fallback' took 18126 cycles per page
copy_page function '2.4 MMX version' took 16649 cycles per page
copy_page function 'faster_copy' took 10100 cycles per page
copy_page function 'even_faster' took 10219 cycles per page
copy_page function 'no_prefetch' took 9571 cycles per page

copy_page() tests
copy_page function 'warm up run' took 16571 cycles per page
copy_page function '2.4 non MMX' took 18265 cycles per page
copy_page function '2.4 MMX fallback' took 18076 cycles per page
copy_page function '2.4 MMX version' took 16558 cycles per page
copy_page function 'faster_copy' took 10112 cycles per page
copy_page function 'even_faster' took 10207 cycles per page
copy_page function 'no_prefetch' took 9582 cycles per page

- z

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