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    • mbrandy's avatar
      Add support for Embedded Constant Pools for PPC and Arm · eac7f046
      mbrandy authored 
      Embed constant pools within their corresponding Code
objects.

This removes support for out-of-line constant pools in favor
of the new approach -- the main advantage being that it
eliminates the need to allocate and manage separate constant
pool array objects.

Currently supported on PPC and ARM.  Enabled by default on
PPC only.

This yields a 6% improvment in Octane on PPC64.

R=bmeurer@chromium.org, rmcilroy@chromium.org, michael_dawson@ca.ibm.com
BUG=chromium:478811
LOG=Y

Review URL: https://codereview.chromium.org/1162993006

Cr-Commit-Position: refs/heads/master@{#28801}
      eac7f046
  27. 03 Jun, 2015 1 commit
  29. 02 Jun, 2015 1 commit
    • mbrandy's avatar
      Add support for Embedded Constant Pools for PPC and Arm · a9404029
      mbrandy authored 
      Embed constant pools within their corresponding Code
objects.

This removes support for out-of-line constant pools in favor
of the new approach -- the main advantage being that it
eliminates the need to allocate and manage separate constant
pool array objects.

Currently supported on PPC and ARM.  Enabled by default on
PPC only.

This yields a 6% improvment in Octane on PPC64.

R=danno@chromium.org, svenpanne@chromium.org, bmeurer@chromium.org, rmcilroy@chromium.org, dstence@us.ibm.com, michael_dawson@ca.ibm.com
BUG=chromium:478811
LOG=Y

Review URL: https://codereview.chromium.org/1131783003

Cr-Commit-Position: refs/heads/master@{#28770}
      a9404029
  31. 01 Jun, 2015 1 commit
  33. 29 May, 2015 1 commit
  35. 28 May, 2015 2 commits
  37. 27 May, 2015 1 commit
    • ulan's avatar
      New algorithm for selecting evacuation candidates · 5e87a099
      ulan authored 
      This lifts the sqrt(n) limit on number of evacuation candidates,
replaces O(n * sqrt(n)) algorithm with O(n*log(n)) algorithm, and
removes hard-coded constants.

Evacuation candidates are selected as follows:

1) Sort pages from the most free to the least free.

2) Select the first m pages as evacuation candidates such that m is as
large as possible under the two conditions:

- The total size of live objects in the first m pages does not exceed
the given limit. This is based on the assumption that the evacuation cost is
proportional to the total size of moved objects.

- The fragmentation of the (m+1)-th page does not exceed the given
limit.

Review URL: https://codereview.chromium.org/1038313003

Cr-Commit-Position: refs/heads/master@{#28651}
      5e87a099
  39. 21 May, 2015 1 commit
  41. 15 May, 2015 1 commit
  43. 12 May, 2015 1 commit
  45. 06 May, 2015 1 commit
  47. 20 Apr, 2015 1 commit
  49. 16 Apr, 2015 2 commits
  51. 13 Apr, 2015 1 commit
  53. 10 Apr, 2015 1 commit
  55. 09 Apr, 2015 4 commits
  57. 07 Apr, 2015 2 commits