[Gllug] performance boost for linux
Peter Corlett
abuse at cabal.org.uk
Thu Feb 12 22:07:17 UTC 2009
On 12 Feb 2009, at 22:02, Nix wrote:
> On 11 Feb 2009, Peter Corlett uttered the following:
>> The seek time on SSDs is about a four hundredth of a
>> hard disk
> What? Its seek time is much closer to zero than that: flipping RAS as
> well as CAS is a bit more expensive than staying within the same row,
> but it's not that close to a disk seek in performance.
Unfortunately, contemporary SSDs aren't directly-addressable by the
CPU, so you have to account for the USB or SATA bus latency.
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