http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45375
--- Comment #124 from Jan Hubicka <hubicka at ucw dot cz> 2012-05-11 08:34:17 UTC --- > Just for comparison, clang with -O4 runs only single threaded and does > everything in memory (no streaming out). It uses 3.5GB of memory (peak) and > takes 19 minutes to finish... Interesting. Micsofot's compiler is also barely in 4GB space, right? Is it with debug info? I will try non-WHOPR build to see how bad we are. The actual IL is about 1.5GB of the footprint (measuing GGC memory). I think good part of the rest comes to mmap address space (the object files are rather large). Honza
