[Bug libstdc++/40852] [parallel-mode] parallel sort run time increases ~10 fold when vector size gets over ~4*10^9

[singler at gcc dot gnu dot org]

------- Comment #7 from singler at gcc dot gnu dot org  2009-10-20 07:46 -------
Sorry, the CC has never reached me.  
So concerning comment #4:  Was the parallel mode actually activated?
The multiway mergesort takes another time the space of the input as
temporarily.  Sure that the program was not swapping?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40852