Re: RFC: An alternative -fsched-pressure implementation

2012-01-10 Thread Vladimir Makarov
On 01/09/2012 07:45 AM, Bernd Schmidt wrote: On 12/23/2011 12:46 PM, Richard Sandiford wrote: In the end I tried an ad-hoc approach in an attempt to do something about (2), (3) and (4b). The idea was to construct a preliminary "model" schedule in which the only objective is to keep register pre

Re: RFC: An alternative -fsched-pressure implementation

2012-01-10 Thread Vladimir Makarov
On 12/28/2011 08:51 AM, Richard Sandiford wrote: Vladimir Makarov writes: In the end I tried an ad-hoc approach in an attempt to do something about (2), (3) and (4b). The idea was to construct a preliminary "model" schedule in which the only objective is to keep register pressure to a minimum.

Re: RFC: An alternative -fsched-pressure implementation

2012-01-09 Thread Bernd Schmidt
On 12/23/2011 12:46 PM, Richard Sandiford wrote: > In the end I tried an ad-hoc approach in an attempt to do something > about (2), (3) and (4b). The idea was to construct a preliminary > "model" schedule in which the only objective is to keep register > pressure to a minimum. This schedule ignor

Re: RFC: An alternative -fsched-pressure implementation

2011-12-28 Thread Richard Sandiford
Vladimir Makarov writes: >> In the end I tried an ad-hoc approach in an attempt to do something >> about (2), (3) and (4b). The idea was to construct a preliminary >> "model" schedule in which the only objective is to keep register >> pressure to a minimum. This schedule ignores pipeline charact

Re: RFC: An alternative -fsched-pressure implementation

2011-12-23 Thread Vladimir Makarov
On 12/23/2011 06:46 AM, Richard Sandiford wrote: So it looks like two pieces of work related to scheduling and register pressure are being posted close together. This one is an RFC for a less aggressive form of -fsched-pressure. I think it should complement rather than compete with Bernd's IRA

Re: RFC: An alternative -fsched-pressure implementation

2011-12-23 Thread Richard Guenther
On Fri, Dec 23, 2011 at 12:46 PM, Richard Sandiford wrote: > So it looks like two pieces of work related to scheduling and register > pressure are being posted close together.  This one is an RFC for a less > aggressive form of -fsched-pressure.  I think it should complement > rather than compete