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gerrit / gerrit / 32b03fc76f1912e787d0ce3ae3a73df454f1232b
commit32b03fc76f1912e787d0ce3ae3a73df454f1232b[log] [tgz]
authorWyatt Allen <wyatta@google.com>Fri Aug 05 15:56:33 2016 -0700
committerWyatt Allen <wyatta@google.com>Thu Aug 11 12:35:31 2016 -0700
treeb4b14e43cff8a23f1f286c7768da42173a84795e
parent0490413eb83cf3f9eafc459ff49076a1a02f0308 [diff]
Applies optimizations to diff comment DOM attachment

A source of latency when creating diff comments in large diffs is the
work needed to reflow the diff DOM to make room for the new comment.
This is particularly evident when adding comments to new files because
the diff is built as an addition group representing the entire file, so
the comment causes a reflow on every subsequent line.

This change optimizes this process in three ways.

* **Limit the size of ADD & REMOVE groups:** The diff processor will now
  break an add or a remove chunk into a series of smaller chunks of the
  same kind. This is controlled by the MAX_GROUP_SIZE constant. In this
  way the number of nodes that need to be reflowed when a comment is
  added to an add or remove group is limited to the number of subsequent
  lines in that group plus the subsequent number of groups.
* **GPU optimize group in general:** Adds CSS properties to diff TBODY
  elements (which correspond to groups, for the most part) that trigger
  GPU acceleration when available.
* **Apply `table-layout: fixed;`** This style speeds up table reflow in
  general.

Change-Id: Ie0e3665b7752fec67f7123cfae70ae99e6f67521
3 files changed
tree: b4b14e43cff8a23f1f286c7768da42173a84795e
  1. .settings/
  2. bucklets/
  3. contrib/
  4. Documentation/
  5. gerrit-acceptance-framework/
  6. gerrit-acceptance-tests/
  7. gerrit-antlr/
  8. gerrit-cache-h2/
  9. gerrit-common/
  10. gerrit-extension-api/
  11. gerrit-gpg/
  12. gerrit-gwtdebug/
  13. gerrit-gwtexpui/
  14. gerrit-gwtui/
  15. gerrit-gwtui-common/
  16. gerrit-httpd/
  17. gerrit-launcher/
  18. gerrit-lucene/
  19. gerrit-main/
  20. gerrit-oauth/
  21. gerrit-openid/
  22. gerrit-patch-commonsnet/
  23. gerrit-patch-jgit/
  24. gerrit-pgm/
  25. gerrit-plugin-api/
  26. gerrit-plugin-archetype/
  27. gerrit-plugin-gwt-archetype/
  28. gerrit-plugin-gwtui/
  29. gerrit-plugin-js-archetype/
  30. gerrit-prettify/
  31. gerrit-reviewdb/
  32. gerrit-server/
  33. gerrit-sshd/
  34. gerrit-util-cli/
  35. gerrit-util-http/
  36. gerrit-util-ssl/
  37. gerrit-war/
  38. lib/
  39. plugins/
  40. polygerrit-ui/
  41. ReleaseNotes/
  42. tools/
  43. website/
  44. .bazelrc
  45. .buckconfig
  46. .buckversion
  47. .editorconfig
  48. .gitignore
  49. .gitmodules
  50. .mailmap
  51. .pydevproject
  52. .watchmanconfig
  53. BUCK
  54. COPYING
  55. INSTALL
  56. README.md
  57. SUBMITTING_PATCHES
  58. VERSION
  59. WORKSPACE
README.md

Gerrit Code Review

Gerrit is a code review and project management tool for Git based projects.

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Gerrit makes reviews easier by showing changes in a side-by-side display, and allowing inline comments to be added by any reviewer.

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Build

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    git clone --recursive https://gerrit.googlesource.com/gerrit
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