Re: [PATCH] speed up SATA

[Eric D. Mudama]

On Sun, Mar 28 at  9:37, Nick Piggin wrote:
> I think 32MB is too much. You incur latency and lose
> scheduling grainularity. I bet returns start diminishing
> pretty quickly after 1MB or so.

32-MB requests are the best for raw throughput.

~15ms to land at your target location, then pure 50-60MB/sec for the .5
seconds it takes to finish the operation. (media limited at that point)

Sure, there's more latency, but I guess that is application dependant.

--eric


--
Eric D. Mudama
edmudama@xxxxxxxxxxxxxxxxxxxxx

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