Why is -march=native not enabled by default by compilers/IDEs?
Oct 5, 2018 · For -O0, whether -march=native or -march=<generic> is the default still specifies the same family, so both are perfectly compatibly with -O0; and whenever another optimization …
What are reasons for -march=native to be detrimental
Mar 4, 2021 · 7 There are plenty of reasons why a code can be slower with -march=native, although this is quite exceptional. That being said, in your specific context, one possible …
How to specify -march=native using pragmas (or otherwise) in gcc
How to specify -march=native using pragmas (or otherwise) in gcc Asked 7 years, 9 months ago Modified 5 years, 4 months ago Viewed 4k times
what is march parameter when compile a c file - Stack Overflow
Apr 29, 2020 · I saw these two kinds of make parameters: make -march=corei7-avx xxxx xxxx make -march-icelake-server xxxx xxx arch is understood, what's the m meaning? Where can I …
gcc - Error: bad value for -march= switch - Stack Overflow
Dec 10, 2012 · Error: bad value for -march= switch Asked 12 years, 6 months ago Modified 9 years, 11 months ago Viewed 8k times
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 …
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 …
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 …
sql - How do I use select with date condition? - Stack Overflow
Mar 30, 2009 · In sqlserver, how do I compare dates? For example: Select * from Users where RegistrationDate >= '1/20/2009' (RegistrationDate is datetime type) Thanks
-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 …