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On 08/21/2010 03:27 PM, Lu, Hongjiu wrote: >> >>> What is the performance impact of extra function call >>> vs. multiple copies of the same jump table? >> >> I don't know. I would hope that an indirect call and return >> would be just as predictable as an indirect jump and branch. >> >> Fancy helping me benchmark? >> > > Sure. Send me a patch. I will run some benchmarks. Well, you've got the patch with the shifts inline, here's one with the shifts accessed via call. r~
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