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chromium / chromium / src.git / 4b715c361a7bca6afff6b50c511fc9b591b6ccf7
commit4b715c361a7bca6afff6b50c511fc9b591b6ccf7[log] [tgz]
authorFrancois Doray <[email protected]>Mon Jan 07 16:12:04 2019
committerCommit Bot <[email protected]>Mon Jan 07 16:12:04 2019
treebf53330b5a03fd2f2a9e7a1d357d571b07416593
parentb30ca20579b8360057a553d0ef588774fad99275 [diff]
TaskScheduler: Avoid heap allocation for PriorityQueue transaction.

This improves the performance of the
SequenceManagerPerfTest.PostImmediateTasks_OneQueue/9 perf test
from 2.39 us/task to 2.05 us/task on a MacBook Pro with a
2.2 GHz i7 4-cores processor.

Before
2.419074
2.399214
2.373303
2.40678
2.373496
avg = 2.39

After
2.060455
2.035805
2.024179
2.078591
2.071706
avg =  2.05

Change-Id: I2fdb4fbdbc8afa9db3815af94a753991d31968da
Reviewed-on: https://chromium-review.googlesource.com/c/1392743
Commit-Queue: François Doray <[email protected]>
Reviewed-by: Gabriel Charette <[email protected]>
Cr-Commit-Position: refs/heads/master@{#620338}
6 files changed
tree: bf53330b5a03fd2f2a9e7a1d357d571b07416593
  1. android_webview/
  2. apps/
  3. ash/
  4. base/
  5. build/
  6. build_overrides/
  7. cc/
  8. chrome/
  9. chrome_elf/
  10. chromecast/
  11. chromeos/
  12. cloud_print/
  13. components/
  14. content/
  15. courgette/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. gin/
  22. google_apis/
  23. google_update/
  24. gpu/
  25. headless/
  26. infra/
  27. ios/
  28. ipc/
  29. jingle/
  30. mash/
  31. media/
  32. mojo/
  33. native_client_sdk/
  34. net/
  35. pdf/
  36. ppapi/
  37. printing/
  38. remoting/
  39. rlz/
  40. sandbox/
  41. services/
  42. skia/
  43. sql/
  44. storage/
  45. styleguide/
  46. testing/
  47. third_party/
  48. tools/
  49. ui/
  50. url/
  51. webrunner/
  52. .clang-format
  53. .eslintrc.js
  54. .git-blame-ignore-revs
  55. .gitattributes
  56. .gitignore
  57. .gn
  58. .vpython
  59. AUTHORS
  60. BUILD.gn
  61. CODE_OF_CONDUCT.md
  62. codereview.settings
  63. DEPS
  64. ENG_REVIEW_OWNERS
  65. LICENSE
  66. LICENSE.chromium_os
  67. OWNERS
  68. PRESUBMIT.py
  69. PRESUBMIT_test.py
  70. PRESUBMIT_test_mocks.py
  71. README.md
  72. WATCHLISTS
README.md

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