Messages in this thread | | | Subject | Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's | From | Eric Dumazet <> | Date | Thu, 17 Oct 2013 11:48:07 -0700 |
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On Thu, 2013-10-17 at 11:19 -0700, H. Peter Anvin wrote:
> Seriously, though, how much does it matter? All the above seems likely > to do is to drown the signal by adding noise.
I don't think so.
> > If the parallel (threaded) checksumming is faster, which theory says it > should and microbenchmarking confirms, how important are the > macrobenchmarks?
Seriously, micro benchmarks are very misleading.
I spent time on this patch, and found no changes on real workloads.
I was excited first, then disappointed.
I hope we will find the real issue, as I really don't care of micro benchmarks.
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