Re: [PATCH 1/2] bitreversal program

From: Benoit Boissinot
Date: Tue May 20 2008 - 11:47:59 EST

On Tue, May 20, 2008 at 5:25 PM, Soumyadip Das Mahapatra
<kernelhacker@xxxxxxxxxxxxxxxx> wrote:
> Thanks for giving a reply Akinobu :-)
> I forgot that bitrev8() is static in header file. Sorry for that.
> Below is my new patch considering this. Cant it be applicable?
> Please review it.
> I know that my bitrev8() takes more instructions than that
> of yours. But we have to think about faster access of cpu cache over that
> of memory cache(which your bit_rev_table uses).

I didn't review your patch, sorry.
But I'm pretty sure that your patch won't be considered unless you
provide benchmarks
with numbers for different CPU/architecture.
Ideally you should provide a script to test the correctness and the
performance of your
change that anyone could run on his computer.


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