On Tue, Feb 7, 2012 at 09:43, Richard Guenther <richard.guent...@gmail.com> wrote: >> These are the average compile times for compiling a file in the set of >> the 10 files that are slowest (as when compiled with gcc 4.4 using >> -O2) to compile: >> >> gcc 4.4 gcc 4.6 gcc 4.7 clang 3.0 clang 3.1 >> -fs-o -O0 2.18 1.70 1.86 1.70 1.66 >> -O0 5.87 5.33 5.71 2.90 2.85 >> -O0 -g 6.71 6.19 6.61 4.00 4.08 >> -O2 11.9 10.8 12.0 6.72 6.80 >> -O2 -g 13.2 13.6 15.1 9.57 9.78 > > It would be interesting to have access to preprocessed source > of the file that is slowest to compile (or alternatively the file from > this set that shows the greatest difference between gcc 4.6 and gcc 4.7 > at -O2). Can you open a bugzilla at gcc.gnu.org with that file(s) > attached?
Sure! http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52147 I added preprocessed source for the slowest file (content_message_generator.ii), and the file with largest relative compile time difference between 4.6 and 4.7 (V8DerivedSources08.ii). Thanks, Hans