120910 2013-09-06 16:47:03 -0700 Calculating the size of the Heap should not require walking over it 2013-09-12 10:57:58 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 121074 1 mhahnenberg mhahnenberg oldest_to_newest 925918 0 mhahnenberg 2013-09-06 16:47:03 -0700 Currently Heap::size() is O(sizeof(Heap)). This is too expensive to call during a collection. We should keep a count of visited and copied bytes as each collection progresses so as to avoid re-walking the Heap at the end of collection. 925953 1 210827 mhahnenberg 2013-09-06 18:33:08 -0700 Created attachment 210827 Patch 926149 2 210827 ggaren 2013-09-06 23:09:13 -0700 Comment on attachment 210827 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=210827&action=review r=me > Source/JavaScriptCore/heap/Heap.cpp:647 > + // rather than all used (inluding dead) copied bytes, thus it's Should be "including". > Source/JavaScriptCore/heap/Heap.h:254 > + size_t m_totalBytesVisited; > + size_t m_totalBytesCopied; Let's initialize these in the Heap constructor. 926524 3 mhahnenberg 2013-09-08 17:11:16 -0700 Committed r155317: <http://trac.webkit.org/changeset/155317> 210827 2013-09-06 18:33:08 -0700 2013-09-06 23:09:13 -0700 Patch bug-120910-20130906183255.patch text/plain 7876 mhahnenberg SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 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