[Bug libstdc++/13823] Significant performance issue with std::map on multiple threads on dual processor - possibly default allocator

pinskia at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Fri Jan 23 02:34:00 GMT 2004


------- 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



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