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...a huge chance to significantly boost the observed ~12(?) percents slowdown. Otherwise, that would probably be done earlier for the common case. George. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180430/e2a2e5ae/attachment-0001.html>

>@Grimar: Did you do any profiling of the code? Were the slowdowns >you were seeing fundamental (i.e. due to IO) or could a more optimal >implementation reduce the slowdown? Did you do any end to end >timings for compilation + link time? No, as far I remember I did not profile this. All results I had were about linker timing for linking clang (posted in this thread). I think the

I am very interested in reviving this. Did anyone get any further with these ideas? @Grimar: Did you do any profiling of the code? Were the slowdowns you were seeing fundamental (i.e. due to IO) or could a more optimal implementation reduce the slowdown? Did you do any end to end timings for compilation + link time? The same issues arise for all metadata sections: .eh_frame