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How to know all supported values for clang -march argument?
Mar 11, 2025 · Using Clang 16.0 or later, I would like to know what values could be used for the -march argument. The command clang --print-supported-cpus shows for -mcpu=, but I see no alternative for -march.
stackoverflow.com
c++ - equivalent of -march=native for msvc - Stack Overflow
As far as I know, the compilation option for MSVC that tells the compiler to use special available instruction is /arch. On clang/linux, we can use -march=native to automatically detect the archite...
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gcc - How is -march different from -mtune? - Stack Overflow
Oct 12, 2024 · -march=foo implies -mtune=foo unless you also specify a different -mtune. This is one reason why using -march is better than just enabling options like -mavx without doing anything about tuning. Caveat:...
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how to change '-march=native' compile flag added by PCL in cmake
Nov 24, 2023 · "I want change it to -march=x86-64 in cmake, How to do it? - Find out how exactly PCL adds -march=native flag. If it does that via variable CMAKE_CXX_FLAGS, then you may try to modify that variable (but...
stackoverflow.com
How to see which flags -march=native will activate?
Mar 29, 2011 · I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native, which in theory should add all optimization flags applicable to the hardware I'm
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date - Problems with Excel handling of the month of March in...
Mar 21, 2024 · For work I have to use an Excel version in German. Excel handles the month of March (März) in a strange/wrong way. The standard German abbreviation in the month's list is MRZ (if I fill a series of
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-march=haswell vs -march=core-avx2 vs -mavx2 - Stack Overflow
Jul 27, 2022 · What are the differences and tradeoffs between -march=haswell, -march=core-avx2, and -mavx2 for compiling avx2 intrinsics? I know that -mavx2 is a flag and -march=haswell/core-avx2 are architectures whi...
stackoverflow.com
unrecognized command-line option '-arch'; did you mean '-march='?
unrecognized command-line option '-arch'; did you mean '-march='? Ask Question Asked 4 years, 8 months ago Modified 1 year, 9 months ago
stackoverflow.com
gcc: Differences between -march=native and -march=<specific...
As I understand it, -march=native will detect the ISA and extensions to use from cpuid (which include model, family and stepping information). -march=xxx will use a baseline set of extensions and a baseline ISA. There...
stackoverflow.com
c++ - What exactly does -march=native do? - Stack Overflow
Jun 10, 2010 · Gentoo Wiki told me the following: Warning: GCC 4.2 and above support -march=native. -march=native applies additional settings beyond -march, specific to your CPU. Unless you have a specific reaso...