Remove sel-sched?

Bernd Schmidt bschmidt@redhat.com
Thu Jan 14 17:47:00 GMT 2016


On 01/14/2016 06:26 PM, Jeff Law wrote:
> I think the bigger question Bernd is asking here is whether or not it
> makes sense to have multiple schedulers.  In an ideal world we'd bake
> them off select the best and deprecate/remove the others.
>
> I didn't follow sel-sched development closely, so forgive me if the
> questions are simplistic/naive, but what are the main benefits of
> sel-sched and is it at a point (performance-wise) where it could
> conceivably replace the aging haifa scheduler infrastructure?

I think haifa has the advantage in comprehensibility. It also has 
features that are missing from sel-sched such as c6x delay slot and 
modulo scheduling.


Bernd



More information about the Gcc mailing list