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 …
Why is -march=native not enabled by default by compilers/IDEs?
Oct 5, 2018 · Why no march=native by default? As you have pointed out, besides producing binaries incompatibility with older CPUs, march=native isn't necessarily beneficial. It improves …
-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 …
What are my available march/mtune options? - Stack Overflow
Nov 5, 2018 · Is there a way to get gcc to output the available -march=arch options? I'm getting build errors (tried -march=x86_64) and I don't know what my options are. The compiler I'm …
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 …
Why does march=native not work on Apple M1? - Stack Overflow
Jan 30, 2021 · Why does march=native not work on Apple M1? Asked 4 years, 8 months ago Modified 2 years, 7 months ago Viewed 40k times
How do I format a date in JavaScript? - Stack Overflow
You can also pull out the parts of a DateTimeFormat one-by-one using DateTimeFormat#format, but note that when using this method, as of March 2020, there is a bug in the ECMAScript …
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 …
c++ - equivalent of -march=native for msvc - Stack Overflow
Yes, GCC/clang -march=native detects ISA extensions supported by the host system and enables all of them. Is also detects what CPU it actually is, and enables -mtune=icelake-client or …
unrecognized command-line option '-arch'; did you mean ' …
unrecognized command-line option '-arch'; did you mean '-march='? Asked 4 years, 4 months ago Modified 1 year, 5 months ago Viewed 3k times