------- Comment #22 from paolo dot bonzini at lu dot unisi dot ch 2007-11-08 06:12 ------- Subject: Re: [4.3 Regression] Revision 119502 causes significantly slower results with 4.3 compared to 4.2
jacob at math dot jussieu dot fr wrote: > ------- Comment #21 from jacob at math dot jussieu dot fr 2007-11-07 20:58 > ------- > Hi, I'm the guy behind Eigen, from which the initial testcase is taken. > > Would it help the compiler if I removed most of the "const" keywords in my > code? I'm not the expert on expression templates, but I don't think so. "const"'s are mostly ignored by the compiler for optimization purposes, but removing those would be bad for the users, I think. Paolo -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33604
