Mail Archives: djgpp/1998/01/05/12:09:18
Geza Herman <geza AT inf DOT bme DOT hu> wrote:
>
> Why does the info of the GNU compiler say( in article
> -funroll-all-loops ): 'unrolling usually makes the program
> slower'? I think unrolling loops makes the program faster!
Because the code is much greater making less efective the cache.
> PS: I know that's not a DJGPP specific question( but GNU C ).
But I think that it applies more for architectures like i386, not sure.
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