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chromium / chromium / src / daa14b20a7662f870dfd781d34587f95740b4c3e
commitdaa14b20a7662f870dfd781d34587f95740b4c3e[log] [tgz]
authorAndrew Paseltiner <apaseltiner@chromium.org>Mon Mar 11 21:55:18 2024
committerChromium LUCI CQ <chromium-scoped@luci-project-accounts.iam.gserviceaccount.com>Mon Mar 11 21:55:18 2024
tree55026b6c6f009563d993d03d6ac0b6b4fc2c815e
parent901dfe3770747cae6b76b70711aaf72525a32d5b [diff]
Short-circuit GenerateWithRate when rate is 0 or 1

There's no reason to consume CPU and randomness when the rate itself
implies whether or not a randomized response should be generated.

This change improves some local benchmarks that always generate a
randomized response (by setting epsilon=0) by around 5%.

(cherry picked from commit 53d6c4bc83250df284cb26ba98b0e3493559c1de)

Bug: 326980481
Change-Id: Ia2b1376abc511c5b40fa59fe48443e12b857a2c6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5348387
Commit-Queue: Andrew Paseltiner <apaseltiner@chromium.org>
Reviewed-by: Charlie Harrison <csharrison@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1269208}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5362197
Commit-Queue: Charlie Harrison <csharrison@chromium.org>
Auto-Submit: Andrew Paseltiner <apaseltiner@chromium.org>
Cr-Commit-Position: refs/branch-heads/6312@{#533}
Cr-Branched-From: 6711dcdae48edaf98cbc6964f90fac85b7d9986e-refs/heads/main@{#1262506}
1 file changed
tree: 55026b6c6f009563d993d03d6ac0b6b4fc2c815e
  1. android_webview/
  2. apps/
  3. ash/
  4. base/
  5. build/
  6. build_overrides/
  7. buildtools/
  8. cc/
  9. chrome/
  10. chromecast/
  11. chromeos/
  12. codelabs/
  13. components/
  14. content/
  15. courgette/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. fuchsia_web/
  22. gin/
  23. google_apis/
  24. google_update/
  25. gpu/
  26. headless/
  27. infra/
  28. ios/
  29. ipc/
  30. media/
  31. mojo/
  32. native_client_sdk/
  33. net/
  34. pdf/
  35. ppapi/
  36. printing/
  37. remoting/
  38. rlz/
  39. sandbox/
  40. services/
  41. skia/
  42. sql/
  43. storage/
  44. styleguide/
  45. testing/
  46. third_party/
  47. tools/
  48. ui/
  49. url/
  50. webkit/
  51. clank
  52. internal
  53. ios_internal
  54. native_client
  55. signing_keys
  56. v8
  57. .clang-format
  58. .clang-tidy
  59. .clangd
  60. .eslintrc.js
  61. .git-blame-ignore-revs
  62. .gitallowed
  63. .gitattributes
  64. .gitignore
  65. .gitmodules
  66. .gn
  67. .mailmap
  68. .rustfmt.toml
  69. .vpython3
  70. .yapfignore
  71. ATL_OWNERS
  72. AUTHORS
  73. BUILD.gn
  74. CODE_OF_CONDUCT.md
  75. codereview.settings
  76. DEPS
  77. DIR_METADATA
  78. LICENSE
  79. LICENSE.chromium_os
  80. OWNERS
  81. PRESUBMIT.py
  82. PRESUBMIT_test.py
  83. PRESUBMIT_test_mocks.py
  84. README.md
  85. WATCHLISTS
README.md

Logo Chromium

Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all users to experience the web.

The project's web site is https://www.chromium.org.

To check out the source code locally, don't use git clone! Instead, follow the instructions on how to get the code.

Documentation in the source is rooted in docs/README.md.

Learn how to Get Around the Chromium Source Code Directory Structure.

For historical reasons, there are some small top level directories. Now the guidance is that new top level directories are for product (e.g. Chrome, Android WebView, Ash). Even if these products have multiple executables, the code should be in subdirectories of the product.

If you found a bug, please file it at https://crbug.com/new.