[Webkit-unassigned] [Bug 100036] New: REGRESSION(r116210 - r131528): Hindi line-breaking on TOT is 5% slower than Safari 6.0.1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100036

           Summary: REGRESSION(r116210 - r131528): Hindi line-breaking on
                    TOT is 5% slower than Safari 6.0.1
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eric at webkit.org
                CC: ap at webkit.org, mitz at webkit.org, enrica at apple.com,
                    msaboff at apple.com, leviw at chromium.org
        Depends on: 100024


REGRESSION(r116210 - r131528): Hindi line-breaking on TOT is 5% slower than Safari 6.0.1

Obviously the real regression range is much smaller.  r116210 is when safari-536-branch (Safari 6) was made from trunk.

The microbenchmark in question is attached to bug 100024.  I wrote the microbenchmark to make sure that the 8-bit TextRun optimization (bug 99393) wouldn't be a slowdown for complex text for the harfbuzz ports.

It's also possible that the microbenchmark a.  doesn't test what I want it to.  or b. isn't interesting and that this isn't a regression we care about.

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