[heap] Reland "Use RAIL mode for initial heap sizing"

[heap] Reland "Use RAIL mode for initial heap sizing".

The original patch was reverted because of performance
regressions caused by removal of old heap sizing heuristics.

This patch keeps the old heuristics and adds RAIL mode.

BUG=chromium:613518
Review-Url: https://codereview.chromium.org/2576543002
Cr-Commit-Position: refs/heads/master@{#41773}
Committed: https://chromium.googlesource.com/v8/v8/+/7bdb906946b94e9ba10de13e104a39bbcabedbd6

[ulan, 2016-12-13 17:50:44]

Patchset #1 (id:1) has been deleted

[ulan, 2016-12-13 17:53:56]

Description was changed from

==========
[heap] Reland "Use RAIL mode for initial heap sizing"

BUG=chromium:613518
==========

to

==========
[heap] Reland "Use RAIL mode for initial heap sizing".

The original patch was reverted because of performance
regressions caused by removal of old heap sizing heuristics.

This patch keeps the old heuristics and adds RAIL mode.

BUG=chromium:613518
==========

[ulan, 2016-12-13 17:54:22]

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

[ulan, 2016-12-13 17:54:22]

ptal

[ulan, 2016-12-13 18:07:17]

The CQ bit was checked by ulan@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-13 18:07:24]

Dry run: 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, 2016-12-13 18:35:04]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-12-13 18:35:08]

Dry run: This issue passed the CQ dry run.

[Hannes Payer (out of office), 2016-12-16 16:08:44]

lgtm

[ulan, 2016-12-16 16:09:09]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2016-12-16 16:09:12]

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

[ulan, 2016-12-16 16:09:36]

The CQ bit was unchecked by ulan@chromium.org

[ulan, 2016-12-16 16:57:45]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2016-12-16 16:57:51]

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, 2016-12-16 16:59:45]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1481907465905410,
"parent_rev": "b2b5d0ab5b572a538dbf1793e86bbe321bd92291", "commit_rev":
"7bdb906946b94e9ba10de13e104a39bbcabedbd6"}

[commit-bot: I haz the power, 2016-12-16 16:59:48]

Description was changed from

==========
[heap] Reland "Use RAIL mode for initial heap sizing".

The original patch was reverted because of performance
regressions caused by removal of old heap sizing heuristics.

This patch keeps the old heuristics and adds RAIL mode.

BUG=chromium:613518
==========

to

==========
[heap] Reland "Use RAIL mode for initial heap sizing".

The original patch was reverted because of performance
regressions caused by removal of old heap sizing heuristics.

This patch keeps the old heuristics and adds RAIL mode.

BUG=chromium:613518

Review-Url: https://codereview.chromium.org/2576543002
Cr-Commit-Position: refs/heads/master@{#41773}
Committed:
https://chromium.googlesource.com/v8/v8/+/7bdb906946b94e9ba10de13e104a39bbcab...
==========

[commit-bot: I haz the power, 2016-12-16 16:59:49]

Committed patchset #2 (id:40001) as
https://chromium.googlesource.com/v8/v8/+/7bdb906946b94e9ba10de13e104a39bbcab...