Re: [CFT] faster athlon/duron memory copy implementation

[Florin Iucha]

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SIS735 (ECS7S5A mobo)
Duron 1200 MHz
512 MB PC100

Athlon test program $Id: fast.c,v 1.6 2000/09/23 09:05:45 arjan Exp $

copy_page() tests
copy_page function 'warm up run'         took 24171 cycles per page
copy_page function '2.4 non MMX'         took 25359 cycles per page
copy_page function '2.4 MMX fallback'    took 25224 cycles per page
copy_page function '2.4 MMX version'     took 24149 cycles per page
copy_page function 'faster_copy'         took 15660 cycles per page
copy_page function 'even_faster'         took 15540 cycles per page
copy_page function 'no_prefetch'         took 13853 cycles per page

Athlon test program $Id: fast.c,v 1.6 2000/09/23 09:05:45 arjan Exp $

copy_page() tests
copy_page function 'warm up run'         took 24325 cycles per page
copy_page function '2.4 non MMX'         took 25414 cycles per page
copy_page function '2.4 MMX fallback'    took 25317 cycles per page
copy_page function '2.4 MMX version'     took 24345 cycles per page
copy_page function 'faster_copy'         took 15718 cycles per page
copy_page function 'even_faster'         took 15553 cycles per page
copy_page function 'no_prefetch'         took 13855 cycles per page

Athlon test program $Id: fast.c,v 1.6 2000/09/23 09:05:45 arjan Exp $

copy_page() tests
copy_page function 'warm up run'         took 24225 cycles per page
copy_page function '2.4 non MMX'         took 25430 cycles per page
copy_page function '2.4 MMX fallback'    took 25398 cycles per page
copy_page function '2.4 MMX version'     took 24233 cycles per page
copy_page function 'faster_copy'         took 15737 cycles per page
copy_page function 'even_faster'         took 15584 cycles per page
copy_page function 'no_prefetch'         took 13855 cycles per page

--=20

"If it's not broken, let's fix it till it is."

41A9 2BDE 8E11 F1C5 87A6  03EE 34B3 E075 3B90 DFE4

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