Re: [PATCH] speed up SATA

Eric D. Mudama
2004-03-28T04:40:02Z

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@mail.bounceswoosh.org