On Thu, 2005-10-13 at 03:34 +0000, pinskia at gcc dot gnu dot org wrote: > > ------- Comment #57 from pinskia at gcc dot gnu dot org 2005-10-13 03:34 > ------- > A semi recent 4.1 (the 10th) gives: > tree PTA : 1.60 ( 6%) usr 0.02 ( 1%) sys 1.73 ( 6%) wall > 10338 kB ( 1%) ggc > tree alias analysis : 1.32 ( 5%) usr 0.19 (10%) sys 1.48 ( 5%) wall > 18910 kB ( 3%) ggc > > while 4.0 gave: > tree PTA : 0.50 ( 2%) usr 0.00 ( 0%) sys 0.48 ( 2%) wall > tree alias analysis : 0.73 ( 3%) usr 0.00 ( 0%) sys 0.76 ( 3%) wall > > So this is definitely a 4.1 regression. > >
I'm pretty sure we run PTA more times in 4.1 than 4.0 Maybe i'm wrong. Can you oprofile this and give me some kind of hotspot to look into in PTA?
