[heap] Start sweeper tasks after evacuation.

[heap] Start sweeper tasks after evacuation.

This allows us to use more tasks for parallel evacuation.

BUG=

Committed: https://crrev.com/9eff39aebf18bf9a42106579e1d81f7be4f0f299
Cr-Commit-Position: refs/heads/master@{#40444}

[ulan, 2016-10-18 15:52:11]

Description was changed from

==========
[heap] Start sweeper tasks after evacuation.

This allows us to use more tasks for compaction and pointer updates.

BUG=
==========

to

==========
[heap] Start sweeper tasks after evacuation.

This allows us to use more tasks for parallel evacuation.

BUG=
==========

[ulan, 2016-10-18 15:54:03]

ulan@chromium.org changed reviewers:
+ mlippautz@chromium.org

[ulan, 2016-10-18 15:54:04]

ptal

[Michael Lippautz, 2016-10-18 16:02:39]

lgtm

https://codereview.chromium.org/2428043002/diff/1/src/heap/spaces.cc
File src/heap/spaces.cc (right):

https://codereview.chromium.org/2428043002/diff/1/src/heap/spaces.cc#newcode405
src/heap/spaces.cc:405: chunk->SweepingDone();
I think (mc == nullptr) can go.

[ulan, 2016-10-18 16:07:06]

https://codereview.chromium.org/2428043002/diff/1/src/heap/spaces.cc
File src/heap/spaces.cc (right):

https://codereview.chromium.org/2428043002/diff/1/src/heap/spaces.cc#newcode405
src/heap/spaces.cc:405: chunk->SweepingDone();
On 2016/10/18 16:02:39, Michael Lippautz wrote:
> I think (mc == nullptr) can go.

Done.

[ulan, 2016-10-19 14:42:10]

The CQ bit was checked by ulan@chromium.org

[ulan, 2016-10-19 14:42:10]

The patchset sent to the CQ was uploaded after l-g-t-m from
mlippautz@chromium.org
Link to the patchset: https://codereview.chromium.org/2428043002/#ps20001
(title: "address comment")

[commit-bot: I haz the power, 2016-10-19 14:42:15]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-19 15:11:10]

Description was changed from

==========
[heap] Start sweeper tasks after evacuation.

This allows us to use more tasks for parallel evacuation.

BUG=
==========

to

==========
[heap] Start sweeper tasks after evacuation.

This allows us to use more tasks for parallel evacuation.

BUG=
==========

[commit-bot: I haz the power, 2016-10-19 15:11:11]

Committed patchset #2 (id:20001)

[ulan, 2016-10-20 12:14:45]

A revert of this CL (patchset #2 id:20001) has been created in
https://chromiumcodereview.appspot.com/2440693002/ by ulan@chromium.org.

The reason for reverting is: Performance regression on arm64: crbug.com/657776.

[commit-bot: I haz the power, 2016-11-17 22:06:55]

Description was changed from

==========
[heap] Start sweeper tasks after evacuation.

This allows us to use more tasks for parallel evacuation.

BUG=
==========

to

==========
[heap] Start sweeper tasks after evacuation.

This allows us to use more tasks for parallel evacuation.

BUG=

Committed: https://crrev.com/9eff39aebf18bf9a42106579e1d81f7be4f0f299
Cr-Commit-Position: refs/heads/master@{#40444}
==========

[commit-bot: I haz the power, 2016-11-17 22:06:56]

Patchset 2 (id:??) landed as
https://crrev.com/9eff39aebf18bf9a42106579e1d81f7be4f0f299
Cr-Commit-Position: refs/heads/master@{#40444}