> * SupermMicro PIIIDM3 motherboard + SuperMicro chassis
if you mean the S2DM3, that's an i840 board with PC133 adapter.
this is a *nasty* little setup: expensive, but doesn't stand
a chance of performing well. there are much better alternatives
available.
> pIII_kni : 75.819 MB/sec
> raid5: MMX detected, trying high-speed MMX checksum routines
> pII_mmx : 70.104 MB/sec
> p5_mmx : 65.913 MB/sec
> 8regs : 38.100 MB/sec
> 32regs : 20.955 MB/sec
> using fastest function: pIII_kni (75.819 MB/sec)
this is RADICALLY broken! I suspect the L2 cache on your CPUs
is disabled. my Duron/600/PC133 shows >1700 MB/s on this measure,
and a pokey old P6/200 shows 340 MB/s, and a P5/166 shows 170!
time to look at those bios settings...
and consider exchanging the board for a reasonable design.
regards, mark hahn.
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