Even the largest InlineItem (InlineTextItem) is small (fits to 24 bytes), and they are allocated in large numbers (one per word and per whitespace typically). Reduce heap allocations by turning InlineItem into a fixed size type.
Created attachment 388031 [details] patch
Comment on attachment 388031 [details] patch v.nice
Comment on attachment 388031 [details] patch Rejecting attachment 388031 [details] from commit-queue. Failed to run "['/Volumes/Data/EWS/WebKit/Tools/Scripts/webkit-patch', '--status-host=webkit-queues.webkit.org', '--bot-id=webkit-cq-01', 'land-attachment', '--force-clean', '--non-interactive', '--parent-command=commit-queue', 388031, '--port=mac']" exit_code: 2 cwd: /Volumes/Data/EWS/WebKit Logging in as commit-queue@webkit.org... Fetching: https://bugs.webkit.org/attachment.cgi?id=388031&action=edit Fetching: https://bugs.webkit.org/show_bug.cgi?id=206411&ctype=xml&excludefield=attachmentdata Processing 1 patch from 1 bug. Updating working directory Processing patch 388031 from bug 206411. Fetching: https://bugs.webkit.org/attachment.cgi?id=388031 Failed to run "[u'/Volumes/Data/EWS/WebKit/Tools/Scripts/svn-apply', '--force', '--reviewer', u'Zalan Bujtas']" exit_code: 1 cwd: /Volumes/Data/EWS/WebKit Parsed 10 diffs from patch file(s). patching file Source/WebCore/ChangeLog Hunk #1 succeeded at 1 with fuzz 3. patching file Source/WebCore/layout/inlineformatting/InlineFormattingContext.cpp patching file Source/WebCore/layout/inlineformatting/InlineFormattingState.h patching file Source/WebCore/layout/inlineformatting/InlineItem.cpp patching file Source/WebCore/layout/inlineformatting/InlineItem.h patching file Source/WebCore/layout/inlineformatting/InlineSoftLineBreakItem.h patching file Source/WebCore/layout/inlineformatting/InlineTextItem.cpp patching file Source/WebCore/layout/inlineformatting/InlineTextItem.h patching file Source/WebCore/layout/inlineformatting/LineLayoutContext.cpp Hunk #1 FAILED at 129. Hunk #2 FAILED at 154. Hunk #3 succeeded at 175 (offset -5 lines). Hunk #4 succeeded at 325 (offset -5 lines). Hunk #5 succeeded at 349 (offset -5 lines). Hunk #6 succeeded at 357 (offset -5 lines). 2 out of 6 hunks FAILED -- saving rejects to file Source/WebCore/layout/inlineformatting/LineLayoutContext.cpp.rej patching file Source/WebCore/layout/inlineformatting/LineLayoutContext.h Failed to run "[u'/Volumes/Data/EWS/WebKit/Tools/Scripts/svn-apply', '--force', '--reviewer', u'Zalan Bujtas']" exit_code: 1 cwd: /Volumes/Data/EWS/WebKit Parsed 10 diffs from patch file(s). patching file Source/WebCore/ChangeLog Hunk #1 succeeded at 1 with fuzz 3. patching file Source/WebCore/layout/inlineformatting/InlineFormattingContext.cpp patching file Source/WebCore/layout/inlineformatting/InlineFormattingState.h patching file Source/WebCore/layout/inlineformatting/InlineItem.cpp patching file Source/WebCore/layout/inlineformatting/InlineItem.h patching file Source/WebCore/layout/inlineformatting/InlineSoftLineBreakItem.h patching file Source/WebCore/layout/inlineformatting/InlineTextItem.cpp patching file Source/WebCore/layout/inlineformatting/InlineTextItem.h patching file Source/WebCore/layout/inlineformatting/LineLayoutContext.cpp Hunk #1 FAILED at 129. Hunk #2 FAILED at 154. Hunk #3 succeeded at 175 (offset -5 lines). Hunk #4 succeeded at 325 (offset -5 lines). Hunk #5 succeeded at 349 (offset -5 lines). Hunk #6 succeeded at 357 (offset -5 lines). 2 out of 6 hunks FAILED -- saving rejects to file Source/WebCore/layout/inlineformatting/LineLayoutContext.cpp.rej patching file Source/WebCore/layout/inlineformatting/LineLayoutContext.h Failed to run "[u'/Volumes/Data/EWS/WebKit/Tools/Scripts/svn-apply', '--force', '--reviewer', u'Zalan Bujtas']" exit_code: 1 cwd: /Volumes/Data/EWS/WebKit Updating OpenSource From https://git.webkit.org/git/WebKit 2e7de0fa79e..72ae6f21987 master -> origin/master Partial-rebuilding .git/svn/refs/remotes/origin/master/.rev_map.268f45cc-cd09-0410-ab3c-d52691b4dbfc ... Currently at 254742 = 2e7de0fa79e3c832fbfc51cf243d794196e23b96 r254743 = 72ae6f21987c707abd9105bcdbc1bceae546c16f Done rebuilding .git/svn/refs/remotes/origin/master/.rev_map.268f45cc-cd09-0410-ab3c-d52691b4dbfc First, rewinding head to replay your work on top of it... Fast-forwarded master to refs/remotes/origin/master. Full output: https://webkit-queues.webkit.org/results/13306157
Created attachment 388037 [details] patch
Comment on attachment 388037 [details] patch Clearing flags on attachment: 388037 Committed r254749: <https://trac.webkit.org/changeset/254749>
All reviewed patches have been landed. Closing bug.
<rdar://problem/58682783>