Messages in this thread | | | From | (Måns Rullgård) | Subject | Re: FEATURE REQUEST: Specific Processor Optimizations on x86 Architecture | Date | Thu, 23 Oct 2003 02:12:25 +0200 |
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"Joseph D. Wagner" <theman@josephdwagner.info> writes:
> Yes, I know you can select Pentium III, Pentium 4, Athlon, etc, under > processor type when doing a 'make xconfig', but those selections do not > translate into the appropriate -mcpu and -march flags.
In Linux 2.6.0-test8, the flags are correct. Which version are you referring to?
> I don't want to have to hand edit the makefiles just to optimize my kernel. > I think this change is simple enough to do, and would allow kernel > developers the option of processor-specific optimizations in the future.
Considered the time normally spent in the kernel, a few percent faster code there wouldn't be noticeable.
-- Måns Rullgård mru@kth.se
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