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Re: new loop aes and speedup
nope, I meant speed comparaison between loopaes 1.6h and 1.6i for 2.4. so
apparently there shouldnt be any speed difference right?
regards, greg
At 21:32 2002. 12. 16.istá', you wrote:
>Newsmail wrote:
> > is there any sence that maybe with this new loop-aes version Jari announced
> > not so long time ago , we could notice speedups? or is this some illusion
> > of my part (kernel 2.4)?
>
>2.4 kernels have faster loop than 2.2 kernels, so if you upgraded from 2.2
>kernel to 2.4 kernel, you may see better performance.
>
> > 2nd question: if we compile loop-aes with -O6 by editing the linux
> > makefile, could we notice speedups, or its not recommended at all to use
> > -O6? I'M using gcc-3.2.1
>
>Please don't change the optimization level in kernel Makefile. Kernel code
>needs to cope with interrupts and other processes modifying data in a way
>not detectable by the compiler. Too high optimization level may optimize
>away code that is required for correct operation.
>
>Regards,
>Jari Ruusu <jari.ruusu@pp.inet.fi>
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Linux-crypto: cryptography in and on the Linux system
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