https://bugs.llvm.org/show_bug.cgi?id=32435
Bug ID: 32435
Summary: std::deque default block size (4096) is too generous
Product: libc++
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Hi,
I profiled STL containers in Chrome on Android and found that std::deque
(std::queue, std::stack) wastes considerable amount of memory because of its
4096-byte block size. I'm proposing changing block size to 512 bytes and min
block length to 1.
More info in the doc:
https://docs.google.com/document/d/1PEuPnSW54LaoWpUIEAHobqGt9nbD2DgQ_W5DdlJOkJU/edit#
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