I was looking at my system log file at the output from the raid drivers
and I noticed the following:
raid0 personality registered
raid1 personality registered
raid5 personality registered
raid5: measuring checksumming speed
8regs : 1342.400 MB/sec
32regs : 906.400 MB/sec
pIII_sse : 1990.800 MB/sec
pII_mmx : 2214.000 MB/sec
p5_mmx : 2354.000 MB/sec
raid5: using function: pIII_sse (1990.800 MB/sec)
md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md.c: sizeof(mdp_super_t) = 4096
Why does the driver choose pIII_sse vs. the faster p5_mmx?
Andy
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