CPU: AMD Duron Spitfire 1 GHz
Chipset: ALi 1647 (Magik 1)
Memory: 2x 256 MB DDR-SDRAM at 200 MHz
> Please run 2 or 3 times.
CFLAGS="-march=athlon" make athlon
[pharao90@neptune (ttyp2) ~]$ ./athlon
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 20604 cycles per page
copy_page function '2.4 non MMX' took 26798 cycles per page
copy_page function '2.4 MMX fallback' took 27143 cycles per page
copy_page function '2.4 MMX version' took 20835 cycles per page
copy_page function 'faster_copy' took 12324 cycles per page
copy_page function 'even_faster' took 12615 cycles per page
copy_page function 'no_prefetch' took 10842 cycles per page
[pharao90@neptune (ttyp2) ~]$ ./athlon
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 25284 cycles per page
copy_page function '2.4 non MMX' took 31419 cycles per page
copy_page function '2.4 MMX fallback' took 30724 cycles per page
copy_page function '2.4 MMX version' took 25246 cycles per page
copy_page function 'faster_copy' took 15462 cycles per page
copy_page function 'even_faster' took 16504 cycles per page
copy_page function 'no_prefetch' took 10179 cycles per page
[pharao90@neptune (ttyp2) ~]$ ./athlon
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 22943 cycles per page
copy_page function '2.4 non MMX' took 30414 cycles per page
copy_page function '2.4 MMX fallback' took 30703 cycles per page
copy_page function '2.4 MMX version' took 23345 cycles per page
copy_page function 'faster_copy' took 14878 cycles per page
copy_page function 'even_faster' took 14902 cycles per page
copy_page function 'no_prefetch' took 10872 cycles per page
Note that even_faster is always slower than faster_copy. ;)
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