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e7b586e7f8
C++ code compiles very slowly with cosmocc, possibly because we're using LLVM LIBCXX with GCC, and LLVM doesn't work as hard to make GCC go fast. Therefore, it should be possible, to ask cosmocc to favor Clang over GCC under the hood. On llamafile, my intention's to use this to make certain files, e.g. llama.cpp/common.cpp, go from taking 17 seconds to 5 seconds This new -mclang flag isn't ready for production yet since there's still the question of how to get Clang to generate SJLJ exception code. If you use this, then it's recommended you also pass -fno-exceptions. The tradeoff is we're adding a 121mb binary to the cosmocc distribution. There are no plans as of yet to fully migrate to Clang since GCC is very good and has always treated us well. |
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| BUILD.mk | ||