I think this is the COFF document which they say "is directly applicable". https://github.com/llvm-mirror/lld/blob/master/COFF/README.md https://github.com/llvm

I think this is the COFF document which they say "is directly applicable". https://github.com/llvm-mirror/lld/blob/master/COFF/README.md https://github.com/llvm-mirror/lld/blob/master/COFF/README.m... I'm guessing the speed difference comes from this linker using a different approach to symbol resolution which requires visiting files fewer times, but I'm not sure.