search for: 1110173ar66

...they look pretty good. Aside from things that use OpenMP or benefit from autovectorisation, Clang/LLVM and GCC seem to come fairly close, with no overall winner. But: there do seem to have been a number of performance regressions between 2.9 and 3.0: http://openbenchmarking.org/result/1110178-AR-1110173AR66 Identifying where these were introduced is quite difficult. I wonder if some of the buildbots could be persuaded, after building clang, to build and run some benchmark projects (e.g. perlbench, povray, flac / lame, whatever) and email people if they introduce a performance regression, just as the...

...hings that use OpenMP or benefit from autovectorisation, Clang/LLVM and GCC seem to come fairly close, with no overall winner. Nice. Thanks. > > But: there do seem to have been a number of performance regressions between 2.9 and 3.0: > > http://openbenchmarking.org/result/1110178-AR-1110173AR66 > > Identifying where these were introduced is quite difficult. I wonder if some of the buildbots could be persuaded, after building clang, to build and run some benchmark projects (e.g. perlbench, povray, flac / lame, whatever) and email people if they introduce a performance regression, j...

...ovectorisation, Clang/LLVM and GCC seem to come fairly close, with no > overall winner. > > Nice. Thanks. > > > > > But: there do seem to have been a number of performance regressions > between 2.9 and 3.0: > > > > http://openbenchmarking.org/result/1110178-AR-1110173AR66 > > > > Identifying where these were introduced is quite difficult. I wonder if > some of the buildbots could be persuaded, after building clang, to build > and run some benchmark projects (e.g. perlbench, povray, flac / lame, > whatever) and email people if they introduce a p...