[Webkit-unassigned] [Bug 186731] RuleFeatureSet wastes 185KB of HashTable capacity on cnn.com

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=186731

--- Comment #2 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
Also this code path:

Wasted capacity: 97504 bytes (used 34848 of 132352 bytes, utilization: 26.33%) - 145 allocations
1   0x1074e1d45 WTF::HashTable<WTF::AtomicString, WTF::KeyValuePair<WTF::AtomicString, std::__1::unique_ptr<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul>, std::__1::default_delete<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul> > > >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WTF::AtomicString, std::__1::unique_ptr<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul>, std::__1::default_delete<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul> > > > >, WTF::AtomicStringHash, WTF::HashMap<WTF::AtomicString, std::__1::unique_ptr<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul>, std::__1::default_delete<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul> > >, WTF::AtomicStringHash, WTF::HashTraits<WTF::AtomicString>, WTF::HashTraits<std::__1::unique_ptr<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul>, std::__1::default_delete<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul> > > > >::KeyValuePairTraits, WTF::HashTraits<WTF::AtomicString> >::HashTable()
2   0x1074e1d25 WTF::HashMap<WTF::AtomicString, std::__1::unique_ptr<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul>, std::__1::default_delete<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul> > >, WTF::AtomicStringHash, WTF::HashTraits<WTF::AtomicString>, WTF::HashTraits<std::__1::unique_ptr<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul>, std::__1::default_delete<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul> > > > >::HashMap()
3   0x1074e1c95 WTF::HashMap<WTF::AtomicString, std::__1::unique_ptr<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul>, std::__1::default_delete<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul> > >, WTF::AtomicStringHash, WTF::HashTraits<WTF::AtomicString>, WTF::HashTraits<std::__1::unique_ptr<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul>, std::__1::default_delete<WTF::Vector<WebCore::RuleFeature, 0ul, WTF::CrashOnOverflow, 16ul> > > > >::HashMap()
4   0x1074e1c13 WebCore::RuleFeatureSet::RuleFeatureSet()
5   0x1074ddaa5 WebCore::RuleFeatureSet::RuleFeatureSet()
6   0x10752a80b WebCore::RuleSet::RuleSet()
7   0x10752a855 WebCore::RuleSet::RuleSet()
8   0x1074deeb2 WebCore::DocumentRuleSets::resetAuthorStyle()

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20180616/51890ada/attachment-0001.html>