------- Additional Comments From dberlin at gcc dot gnu dot org 2005-01-24 01:57 ------- Subject: Re: [4.0 Regression] IV-OPTS is O(N^3)
>> On a side note, PRE also seems to have problems with the testcase. With the >> patch mentioned above, the largest consumers of compile time are ivopts (45%) >> and pre (20%). > > Uh, there was a bug filed about this, and i fixed it, last i looked. Here it is. Bug 18673. N=100 takes .25 seconds now. I can't make PRE much faster than that, that's almost all hash function time. --Dan -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18595
