Hi,
This patch tunes optimization options based on profile data:
* Disable PGO options if profile is not available or empty.
* Optimize for size if profile is available but empty.
Here is an experiment on Firefox PGO build:
CPU Intel Core i7-4770
RAM 32 GB
Sorry, tabs seems converted to spaces automatically.
Please use the attachment instead.
2014-07-21 13:13 GMT+08:00 Pengfei Yuan <0xcool...@gmail.com>:
> Hi,
>
> This patch tunes optimization options based on profile data:
> * Disable PGO options if profile is not available or e
In the experiment, about 60% (1019/1699) profile data files are empty
(all counters are zero).
2014-07-22 21:39 GMT+08:00 Richard Biener :
> On Mon, Jul 21, 2014 at 7:13 AM, Pengfei Yuan <0xcool...@gmail.com> wrote:
>> Hi,
>>
>> This patch tunes optimization op
14 at 2:39 AM, Pengfei Yuan <0xcool...@gmail.com> wrote:
>> In the experiment, about 60% (1019/1699) profile data files are empty
>> (all counters are zero).
>
> Well, but you are globally overriding options even for the parts with
> profile. The whole point of profi
of alignment
2014-07-23 19:32 GMT+08:00 Richard Biener :
> On Wed, Jul 23, 2014 at 1:04 PM, Pengfei Yuan <0xcool...@gmail.com> wrote:
>> I guess some optimizations are controlled only by "optimize_size", not
>> by the profile.
>
> I only see tree-inline.c:esti
No, I didn't.
2014-07-24 16:50 GMT+08:00 Richard Biener :
> On Thu, Jul 24, 2014 at 3:52 AM, Pengfei Yuan <0xcool...@gmail.com> wrote:
>> There are more.
>>
>> In toplev.c:
>> /* One region RA really helps to decrease the code size. */
>>
