Memory performance significantly improved w/ 2.4.1ac11

From: Arvid Ericsson (aquid@linux.nu)
Date: Wed Feb 14 2001 - 05:30:09 EST


Hi y'all!
 I thought someone might be interested in some stream results. Please
ignore me otherwise. I know you don't like attachments, but the text
plainly refuses to be cut and pasted in a proper way (posting from
Windows 95).
 Btw, Im not subscribed to the list.

/Arvid

STREAM

Tyan 1592S (VIA vt82c586b rev 0x41, 512Kb)
AMD K6-266 (66Mhzx4)
egcs-1.1.2 (g++ -O3 -march=pentium -funroll-loops)

2x32Mb (60ns, EDO SIMM):
            Function Rate (MB/s) RMS time Min time Max time
            Copy: 54.6566 0.2928 0.2927 0.2928
2.2.14 Scale: 54.2420 0.2950 0.2950 0.2952
            Add: 59.6669 0.4024 0.4022 0.4035
            Triad: 59.0813 0.4063 0.4062 0.4070

            Copy: 55.5657 0.2887 0.2879 0.2909
2.4.0ac10: Scale: 54.9947 0.2916 0.2909 0.2934
            Add: 60.5573 0.3974 0.3963 0.4002
            Triad: 59.9713 0.4013 0.4002 0.4040

1x128Mb (PC133, cycle length=2):
            Copy: 85.8094 0.1865 0.1864 0.1870
2.2.14 Scale: 84.3468 0.1897 0.1897 0.1898
            Add: 91.5097 0.2623 0.2623 0.2623
            Triad: 90.2346 0.2660 0.2660 0.2662

            Copy: 85.8653 0.1864 0.1863 0.1866
2.4.0ac10 Scale: 84.4007 0.1897 0.1896 0.1898
            Add: 91.6042 0.2621 0.2620 0.2623
            Triad: 90.3296 0.2659 0.2657 0.2675

            Copy: 88.4453 0.1817 0.1809 0.1840
2.4.1ac11 Scale: 86.4535 0.1856 0.1851 0.1874
            Add: 93.0553 0.2583 0.2579 0.2599
            Triad: 91.7694 0.2620 0.2615 0.2648

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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:24 EST