Messages in this thread | | | Subject | RE: [PATCH] x86: Run checksumming in parallel accross multiple alu's | Date | Fri, 1 Nov 2013 16:18:50 -0000 | From | "David Laight" <> |
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> How would you suggest replacing the jumps in this case? I agree it would be > faster here, but I'm not sure how I would implement an increment using a single > conditional move.
I think you need 3 instructions, move a 0, conditionally move a 1 then add. I suspect it won't be a win!
If you do 'win' it is probably very dependent on how the instructions get scheduled onto the execution units - which will probably make it very cpu type dependant.
David
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