On 15/05/14 09:52, Ramana Radhakrishnan wrote:
On Thu, May 15, 2014 at 8:36 AM, Maxim Kuvyrkov
wrote:
On May 15, 2014, at 6:46 PM, Ramana Radhakrishnan
wrote:
I'm not claiming it's a great heuristic or anything. There's bound to
be room for improvement. But it was based on "reality" and re
On 05/15/2014 02:46 AM, Ramana Radhakrishnan wrote:
> On Wed, May 14, 2014 at 5:38 PM, Richard Sandiford
> wrote:
>> Vladimir Makarov writes:
>>> On 2014-05-13, 6:27 AM, Kyrill Tkachov wrote:
Hi all,
In haifa-sched.c (in rank_for_schedule) I notice that live range
shrinkage is
On Thu, May 15, 2014 at 8:36 AM, Maxim Kuvyrkov
wrote:
> On May 15, 2014, at 6:46 PM, Ramana Radhakrishnan
> wrote:
>>
>>>
>>> I'm not claiming it's a great heuristic or anything. There's bound to
>>> be room for improvement. But it was based on "reality" and real results.
>>>
>>> Of course, i
On May 15, 2014, at 6:46 PM, Ramana Radhakrishnan
wrote:
>
>>
>> I'm not claiming it's a great heuristic or anything. There's bound to
>> be room for improvement. But it was based on "reality" and real results.
>>
>> Of course, if it turns out not be a win for ARM or s390x any more then it
>
Ramana Radhakrishnan writes:
> On Wed, May 14, 2014 at 5:38 PM, Richard Sandiford
> wrote:
>> Hey, I resent that. You make it sound I came up with SCHED_PRESSURE_MODEL
>> on a whim without any evidence to back it up. I implemented it because
>> it gave better EEMBC results on ARM, at least at t
On Wed, May 14, 2014 at 5:38 PM, Richard Sandiford
wrote:
> Vladimir Makarov writes:
>> On 2014-05-13, 6:27 AM, Kyrill Tkachov wrote:
>>> Hi all,
>>>
>>> In haifa-sched.c (in rank_for_schedule) I notice that live range
>>> shrinkage is not performed when SCHED_PRESSURE_MODEL is used and the
>>> c
On 2014-05-14, 12:38 PM, Richard Sandiford wrote:
Vladimir Makarov writes:
On 2014-05-13, 6:27 AM, Kyrill Tkachov wrote:
Hi all,
In haifa-sched.c (in rank_for_schedule) I notice that live range
shrinkage is not performed when SCHED_PRESSURE_MODEL is used and the
comment mentions that it resul
Vladimir Makarov writes:
> On 2014-05-13, 6:27 AM, Kyrill Tkachov wrote:
>> Hi all,
>>
>> In haifa-sched.c (in rank_for_schedule) I notice that live range
>> shrinkage is not performed when SCHED_PRESSURE_MODEL is used and the
>> comment mentions that it results in much worse code.
>>
>> Could any
On 2014-05-13, 6:27 AM, Kyrill Tkachov wrote:
Hi all,
In haifa-sched.c (in rank_for_schedule) I notice that live range
shrinkage is not performed when SCHED_PRESSURE_MODEL is used and the
comment mentions that it results in much worse code.
Could anyone elaborate on this? Was it just empiricall
On May 13, 2014, at 10:27 PM, Kyrill Tkachov wrote:
> Hi all,
>
> In haifa-sched.c (in rank_for_schedule) I notice that live range shrinkage is
> not performed when SCHED_PRESSURE_MODEL is used and the comment mentions that
> it results in much worse code.
>
> Could anyone elaborate on this?
Hi all,
In haifa-sched.c (in rank_for_schedule) I notice that live range shrinkage is
not performed when SCHED_PRESSURE_MODEL is used and the comment mentions that it
results in much worse code.
Could anyone elaborate on this? Was it just empirically noticed on x86_64?
Thanks,
Kyrill
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