From: Meelis Roos <mroos@linux.ee>
To: linux-kernel@vger.kernel.org
Subject: raid5 autoselecting a slower checksum function
Date: Mon, 28 Jul 2003 18:17:00 +0300 (EEST) [thread overview]
Message-ID: <Pine.GSO.4.44.0307281811290.13144-100000@math.ut.ee> (raw)
This is 2.6.0-test2 on a Celeron 900:
raid5: measuring checksumming speed
8regs : 1640.000 MB/sec
8regs_prefetch: 1316.000 MB/sec
32regs : 824.000 MB/sec
32regs_prefetch: 788.000 MB/sec
pIII_sse : 1744.000 MB/sec
pII_mmx : 2244.000 MB/sec
p5_mmx : 2400.000 MB/sec
raid5: using function: pIII_sse (1744.000 MB/sec)
Why doesn't it select p5_mmx if it is 37% faster than pIII_sse?
--
Meelis Roos (mroos@linux.ee)
next reply other threads:[~2003-07-28 15:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-28 15:17 Meelis Roos [this message]
2003-07-28 15:30 ` Bruce Harada
2003-07-28 20:54 ` Tomas Szepe
2003-07-29 12:33 ` Bruce Harada
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