Re: Requested FAQ addition - Mandrake and partial-i686 platforms
From: Valdis . Kletnieks
Date: Tue Aug 12 2003 - 10:03:03 EST
On Tue, 12 Aug 2003 10:48:59 EDT, Brandon Stewart <rbrandonstewart@xxxxxxxxx> said:
> 3) Reapply the CMOV emulation patch to your downloaded kernel. Not
> recommended since it turns one CPU cycle into 400.
True, as far as it goes. However, you need to balance the huge hit you take
on CMOV and how often it's actually used in glibc, against how many places
you save 5 or 10 cycles due to more optimized code...
No, I don't have numbers for either side of the question...
Attachment:
pgp00003.pgp
Description: PGP signature