Reland of "[heap] Switch to 500k pages"

[heap] Switch to 500k pages

Decrease regular heap object size to 400k. In a follow up, we can now get rid of
the new space border page while keeping the 1M minimum new space size.

This reverts commit 1617043c1093870d67eede7828467cc3b77ba9fb.

BUG=chromium:636331
Committed: https://crrev.com/2101e691caeef656eb91f1c98620b3955d337c83
Cr-Commit-Position: refs/heads/master@{#38916}

[Michael Lippautz, 2016-08-25 15:01:21]

Description was changed from

==========
Reland of "[heap] Switch to 500k pages"

This reverts commit 1617043c1093870d67eede7828467cc3b77ba9fb.

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

to

==========
[heap] Switch to 500k pages

Decrease regular heap object size to 400k. In a follow up, we can now get rid of
the new space border page while keeping the 1M minimum new space size.

This reverts commit 1617043c1093870d67eede7828467cc3b77ba9fb.

BUG=chromium:636331
==========

[Michael Lippautz, 2016-08-25 15:01:22]

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

[Michael Lippautz, 2016-08-25 15:02:55]

please stamp (or re-review if you like). The bug that was flushed out
(crbug.com/637279) is fixed now.

original review at https://codereview.chromium.org/2232653003/

[ulan, 2016-08-25 15:03:16]

lgtm

[Toon Verwaest, 2016-08-25 15:16:59]

rubberstamp lgtm

[Michael Lippautz, 2016-08-25 15:51:56]

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

[commit-bot: I haz the power, 2016-08-25 15:52:01]

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, 2016-08-25 16:16:24]

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

[commit-bot: I haz the power, 2016-08-25 16:16:24]

Dry run: This issue passed the CQ dry run.

[Michael Lippautz, 2016-08-25 16:24:19]

The CQ bit was checked by mlippautz@chromium.org

[commit-bot: I haz the power, 2016-08-25 16:24:24]

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, 2016-08-25 16:26:08]

Description was changed from

==========
[heap] Switch to 500k pages

Decrease regular heap object size to 400k. In a follow up, we can now get rid of
the new space border page while keeping the 1M minimum new space size.

This reverts commit 1617043c1093870d67eede7828467cc3b77ba9fb.

BUG=chromium:636331
==========

to

==========
[heap] Switch to 500k pages

Decrease regular heap object size to 400k. In a follow up, we can now get rid of
the new space border page while keeping the 1M minimum new space size.

This reverts commit 1617043c1093870d67eede7828467cc3b77ba9fb.

BUG=chromium:636331
==========

[commit-bot: I haz the power, 2016-08-25 16:26:09]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-25 16:26:40]

Description was changed from

==========
[heap] Switch to 500k pages

Decrease regular heap object size to 400k. In a follow up, we can now get rid of
the new space border page while keeping the 1M minimum new space size.

This reverts commit 1617043c1093870d67eede7828467cc3b77ba9fb.

BUG=chromium:636331
==========

to

==========
[heap] Switch to 500k pages

Decrease regular heap object size to 400k. In a follow up, we can now get rid of
the new space border page while keeping the 1M minimum new space size.

This reverts commit 1617043c1093870d67eede7828467cc3b77ba9fb.

BUG=chromium:636331

Committed: https://crrev.com/2101e691caeef656eb91f1c98620b3955d337c83
Cr-Commit-Position: refs/heads/master@{#38916}
==========

[commit-bot: I haz the power, 2016-08-25 16:26:41]

Patchset 1 (id:??) landed as
https://crrev.com/2101e691caeef656eb91f1c98620b3955d337c83
Cr-Commit-Position: refs/heads/master@{#38916}

[Michael Lippautz, 2016-08-28 07:02:46]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2289493002/ by mlippautz@chromium.org.

The reason for reverting is: Tanks pretty much alle metrics across the board.
Probably LO space limit too low but needs investigation..