[Webkit-unassigned] [Bug 186713] New: MediaQuery wastes 335K of vector capacity on theverge.com

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=186713

            Bug ID: 186713
           Summary: MediaQuery wastes 335K of vector capacity on
                    theverge.com
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com

Wasted capacity: 335584 bytes (used 22816 of 358400 bytes, utilization: 6.37%) - 702 allocations
1   0x107440ce5 WTF::VectorBuffer<WebCore::MediaQueryExpression, 0ul>::VectorBuffer()
2   0x107440cb0 WTF::Vector<WebCore::MediaQueryExpression, 0ul, WTF::CrashOnOverflow, 16ul>::Vector(WTF::Vector<WebCore::MediaQueryExpression, 0ul, WTF::CrashOnOverflow, 16ul>&&)
3   0x107440c7d WTF::Vector<WebCore::MediaQueryExpression, 0ul, WTF::CrashOnOverflow, 16ul>::Vector(WTF::Vector<WebCore::MediaQueryExpression, 0ul, WTF::CrashOnOverflow, 16ul>&&)
4   0x107440c2f WebCore::MediaQuery::MediaQuery(WebCore::MediaQuery&&)
5   0x107440bcd WebCore::MediaQuery::MediaQuery(WebCore::MediaQuery&&)
6   0x107441355 void WTF::Vector<WebCore::MediaQuery, 0ul, WTF::CrashOnOverflow, 16ul>::appendSlowCase<WebCore::MediaQuery>(WebCore::MediaQuery&&)
7   0x1074411f0 void WTF::Vector<WebCore::MediaQuery, 0ul, WTF::CrashOnOverflow, 16ul>::append<WebCore::MediaQuery>(WebCore::MediaQuery&&)
8   0x107428ed5 WTF::Vector<WebCore::MediaQuery, 0ul, WTF::CrashOnOverflow, 16ul>::append(WebCore::MediaQuery&&)

via m_expressions.

Could also re-order members for better packing.

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