https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113575
--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Robin Dapp from comment #12) > Created attachment 57209 [details] > Tentative > > I tested the attached "fix". On my machine with 13.2 host compiler it > reduced the build time for insn-opinit.cc from > 4 mins to < 2 mins and the > memory usage from >1G to 600ish M. I didn't observe 3.5G before, though. > > For now I just went with an arbitrary threshold of 5000 patterns and > splitting into 10 functions. After testing on x86 and aarch64 I realized > that both have <3000 patterns so right now it would only split riscv's init > function. > > Or rather the other way, i.e. splitting into fixed-size chunks (of 1000) > instead? Yeah, I'd simplify it by doing exactly that.
