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Re: RE: [lwip-devel] UDP - transmission inefficiences
From: |
Simon Goldschmidt |
Subject: |
Re: RE: [lwip-devel] UDP - transmission inefficiences |
Date: |
Thu, 14 Jan 2010 07:53:10 +0100 |
Bill Auerbach wrote:
> If that was the only change, I don't see how that can be. I can't think
> of
> a case where inlining code could be slower. I could see perhaps a
> negligible change, but not slower. Maybe someone else knows the platform
> and can make more sense of this than I can.
>
> Bill
>
> >Platform: xilinx virtex 5 fpga
I don't know that platform, but there's always the chance that the previous
code was better aligned for cache or the new code is slightly worse because it
uses too many local variables to store all of them in registers...
Anyway, 5% might even be below accuracy of the measurement...
Simon
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- Re: [lwip-devel] UDP - transmission inefficiences, bobbyb, 2010/01/09
- RE: [lwip-devel] UDP - transmission inefficiences, Bill Auerbach, 2010/01/11
- RE: [lwip-devel] UDP - transmission inefficiences, bobbyb, 2010/01/11
- Re: [lwip-devel] UDP - transmission inefficiences, address@hidden, 2010/01/11
- Re: [lwip-devel] UDP - transmission inefficiences, bobbyb, 2010/01/13
- RE: [lwip-devel] UDP - transmission inefficiences, Bill Auerbach, 2010/01/13
- Re: RE: [lwip-devel] UDP - transmission inefficiences,
Simon Goldschmidt <=
- Re: RE: [lwip-devel] UDP - transmission inefficiences, Kieran Mansley, 2010/01/14
- Re: [lwip-devel] UDP - transmission inefficiences, Simon Goldschmidt, 2010/01/14
- Re: [lwip-devel] UDP - transmission inefficiences, Kieran Mansley, 2010/01/14
- RE: [lwip-devel] UDP - transmission inefficiences, Bill Auerbach, 2010/01/14
- RE: RE: [lwip-devel] UDP - transmission inefficiences, Bill Auerbach, 2010/01/14