Re: [git patches] IDE update

Erik Slagter
2005-07-08T11:38:18Z

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On Fri, 2005-07-08 at 10:06 +1000, Grant Coady wrote:

> I've not been able to get dual channel I/O speed faster than single
> interface speed, either as 'md' RAID0 or simultaneous reading or
> writing done the other day:
>
> Time to write or read 500MB file:
>
> >summary 2.4.31-hf1 2.6.12.2
> >boxen \ time -> w r w r
> >--------------- ---- ---- ---- ----
> ...
> >peetoo 33 20 26.5 22
> >(simultaneuous 57 37.5 52 38.5)
>
> MB/s 2.4.31-hf1 2.6.12.2
> w r w r
> single 15 25 19 23
> dual 17.5 27 19 26
>
> These timings show very little happening in parallel, is that normal?

"me too" ;-)

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