On Sun, Jul 30, 2000 at 10:28:50AM +0200, Holger Kiehl wrote:
> Hello
>
> I gave 2.4.0-test5 a try but am very disapointed with the results:
>
> -------Sequential Output-------- ---Sequential Input-- --Random--
> -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
> 2.2.15 384 5231 95.2 16051 27.3 7557 23.9 5764 95.0 18547 18.3 162.2 2.6
> 2.4.0-test5 384 1568 27.2 1700 1.9 1084 3.8 2273 41.2 5326 10.5 162.7 4.0
>
> This is on a 2xPII-350 with 128MB and 5 disks (1 IDE, 4 old IBM SCSI disks)
> on a Software Raid5.
>
> Do other people get similar results or am I doing something wrong?
Did you compile both systems with 'use dma by default'? Try using hdparm on
2.4.0 to force it to use dma.
Otherwise, 2.4.0-test5 is pretty rough terrain. It may not be as good as 2.2
in all respects yet.
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