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Re: sched2 seems to be disabled on x86
- From: Jan Hubicka <jh at suse dot cz>
- To: Dan Nicolaescu <dann at ics dot uci dot edu>
- Cc: gcc at gcc dot gnu dot org
- Date: Sun, 29 Jun 2003 09:57:19 +0200
- Subject: Re: sched2 seems to be disabled on x86
- References: <200306282142.h5SLgV4X014515@gremlin.ics.uci.edu>
>
> The subject says it all: on mainline checked out today, sched2 seems
> to be disabled on x86.
> It was enabled 2 weeks ago.
>
> This is in the ChangeLog about this, so it's probably not
> intentional. Any idea what is going on?
>
>
> It's interesting that some of the SPEC int benchmarks seem to benefit
> from this:
>
> http://people.redhat.com/dnovillo/spec2000/gcc/global-run-ratio.html
> http://people.redhat.com/dnovillo/spec2000/gcc/individual-run-ratio.html
This is because we don't have P4 scheduling at all.
I intended to write one when I get free time, but I didn't get free time
since then :(
I will try to add at least simple one during the stage2 of 3.4
Honza