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[Bug libstdc++/40852] [parallel-mode] parallel sort run time increases ~10 fold when vector size gets over ~4*10^9
- From: "singler at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Oct 2009 10:01:40 -0000
- Subject: [Bug libstdc++/40852] [parallel-mode] parallel sort run time increases ~10 fold when vector size gets over ~4*10^9
- References: <bug-40852-8473@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #19 from singler at gcc dot gnu dot org 2009-10-23 10:01 -------
Created an attachment (id=18878)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18878&action=view)
Patch avoid large intermediates to avoid overflow, for trunk.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40852