[Webkit-unassigned] [Bug 98498] REGRESSION: Rapid memory growth calling DOM APIs with large strings

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=98498





--- Comment #9 from Andreas Kling <kling at webkit.org>  2012-10-12 11:07:21 PST ---
(In reply to comment #6)
> Is it possible that this is caused by our use of AtomicString?

Yes indeed.

Bytes Used    Count        Symbol Name
1000.25 MB      50.0%    227039          WTF::fastMalloc(unsigned long)
 993.27 MB      49.6%    45393           WTF::StringImpl::create(unsigned char const*, unsigned int)
 993.27 MB      49.6%    45358            WTF::HashTableAddResult<WTF::HashTableIterator<WTF::StringImpl*, WTF::StringImpl*, WTF::IdentityExtractor, WTF::StringHash, WTF::HashTraits<WTF::StringImpl*>, WTF::HashTraits<WTF::StringImpl*> > > WTF::HashTable<WTF::StringImpl*, WTF::StringImpl*, WTF::IdentityExtractor, WTF::StringHash, WTF::HashTraits<WTF::StringImpl*>, WTF::HashTraits<WTF::StringImpl*> >::addPassingHashCode<WTF::HashSetTranslatorAdapter<WTF::LCharBufferTranslator>, WTF::HashTranslatorCharBuffer<unsigned char>, WTF::HashTranslatorCharBuffer<unsigned char> >(WTF::HashTranslatorCharBuffer<unsigned char> const&, WTF::HashTranslatorCharBuffer<unsigned char> const&)
 993.27 MB      49.6%    45358             WTF::AtomicString::add(unsigned char const*, unsigned int)
 993.27 MB      49.6%    45358              cssyyparse(WebCore::CSSParser*)
 993.27 MB      49.6%    45358               WebCore::CSSParser::parseSelector(WTF::String const&, WebCore::CSSSelectorList&)
 993.27 MB      49.6%    45358                WebCore::SelectorQueryCache::add(WTF::AtomicString const&, WebCore::Document*, int&)
 993.27 MB      49.6%    45358                 WebCore::Node::querySelector(WTF::AtomicString const&, int&)
 993.27 MB      49.6%    45358                  WebCore::jsDocumentPrototypeFunctionQuerySelector(JSC::ExecState*)

-- 
Configure bugmail: https://bugs.webkit.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.