where's the speed?
Jeffrey A Law
law@cygnus.com
Sat Jan 10 21:31:00 GMT 1998
In message < 19980107204042.63452@cerebro.laendle >you write:
>
> Since (at least) snapshot 971225 of egcs I get a speed *decrease* on
> i586-pc-linux-gnu when I select -funroll-all-loops (say, 4%-5% on gzip).
>
> Formerly, I got an 4-5% increase when using -funroll-all-loops on x86.
>
> Has anybody else measured such a difference?
Interesting. Someone will have to look at the loop and see what's going
on.
Jeff
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