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[Bug libstdc++/13823] Significant performance issue with std::map on multiple threads on dual processor - possibly default allocator
- From: "pinskia 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 Jan 2004 02:34:11 -0000
- Subject: [Bug libstdc++/13823] Significant performance issue with std::map on multiple threads on dual processor - possibly default allocator
- References: <20040123001452.13823.devison@pacificit.co.nz>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-01-23 02:34 -------
Confirmed on the mainline but it is not as bad as 3.3 was. The problem is that is the a mutex is
getting locked too much, I do not know if this is ever going to be fixed except by per thread
pool_alloc.
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
Status|UNCONFIRMED |NEW
Component|c++ |libstdc++
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-01-23 02:34:08
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13823