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SubjectRe: [PATCH] speed up SATA
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 D. Mudama

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