On Tue, Feb 28, 2017 at 3:08 PM, Martin Jambor wrote:
> Hi,
>
> On Mon, Feb 27, 2017 at 10:34:38AM +0100, Richard Biener wrote:
>> On Wed, Feb 22, 2017 at 11:11 AM, Martin Jambor wrote:
>> > Hello,
>> >
>> > this is a fix for PR 78140 which is about LTO WPA of Firefox taking
>> > 1GB memory more
Hi,
On Mon, Feb 27, 2017 at 10:34:38AM +0100, Richard Biener wrote:
> On Wed, Feb 22, 2017 at 11:11 AM, Martin Jambor wrote:
> > Hello,
> >
> > this is a fix for PR 78140 which is about LTO WPA of Firefox taking
> > 1GB memory more than gcc 6.
> >
> > It works by reusing the ipa_bits and value_ra
According to my measurements, the patch saves about 1.2 GB of memory.
The problem is that some change last week (between revision 245382 and
245595) has more than invalidated this:
| compiler| WPA mem (GB) |
|-+--|
| gcc 6 branch|
On Wed, Feb 22, 2017 at 11:11 AM, Martin Jambor wrote:
> Hello,
>
> this is a fix for PR 78140 which is about LTO WPA of Firefox taking
> 1GB memory more than gcc 6.
>
> It works by reusing the ipa_bits and value_range that we previously
> had directly in jump functions and which are just too big
Hi,
On Wed, Feb 22, 2017 at 11:11:14AM +0100, Martin Jambor wrote:
> Hello,
>
> this is a fix for PR 78140 which is about LTO WPA of Firefox taking
> 1GB memory more than gcc 6.
>
> It works by reusing the ipa_bits and value_range that we previously
> had directly in jump functions and which are
Hello,
this is a fix for PR 78140 which is about LTO WPA of Firefox taking
1GB memory more than gcc 6.
It works by reusing the ipa_bits and value_range that we previously
had directly in jump functions and which are just too big to be
allocated for each actual argument in all of Firefox. Reusing
