Messages in this thread | | | Subject | Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's | From | Eric Dumazet <> | Date | Mon, 14 Oct 2013 14:19:20 -0700 |
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On Mon, 2013-10-14 at 16:28 -0400, Neil Horman wrote:
> So, early testing results today. I wrote a test module that, allocated a 4k > buffer, initalized it with random data, and called csum_partial on it 100000 > times, recording the time at the start and end of that loop. Results on a 2.4 > GHz Intel Xeon processor: > > Without patch: Average execute time for csum_partial was 808 ns > With patch: Average execute time for csum_partial was 438 ns
Impressive, but could you try again with data out of cache ?
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