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Scatterlist chaining

Scatterlist chaining

Posted May 17, 2007 17:51 UTC (Thu) by pj (subscriber, #4506)
Parent article: Scatterlist chaining

Are there performance comparison numbers with/without this change? How much of a speedup is it likely to be?


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Scatterlist chaining (performance)

Posted May 18, 2007 16:03 UTC (Fri) by nevyn (guest, #33129) [Link]

I was also interested in that. There doesn't seem to be any direct posting of perf. numbers, but it does hint at it indirectly (from http://lkml.org/lkml/2007/5/9/251):

"""Performance wise, it's meant to help higher end hardware that need 2-4mb (or bigger) commands to get good performance. That also includes things like tapes that have big block sizes, getting a command of the right size there is the difference between good and abysmal performance."""


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