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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - std::deque default block size (4096) is too generous"
href="https://bugs.llvm.org/show_bug.cgi?id=32435">32435</a>
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<th>Summary</th>
<td>std::deque default block size (4096) is too generous
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<th>Product</th>
<td>libc++
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<th>Version</th>
<td>unspecified
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>All Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>dskiba@google.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
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<pre>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:
<a href="https://docs.google.com/document/d/1PEuPnSW54LaoWpUIEAHobqGt9nbD2DgQ_W5DdlJOkJU/edit">https://docs.google.com/document/d/1PEuPnSW54LaoWpUIEAHobqGt9nbD2DgQ_W5DdlJOkJU/edit</a>#</pre>
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