March Astrological Sign

YourTango: The Tarot Horoscope For Monday, March 30 Is Here With A Reading For Your Zodiac Sign

The Tarot Horoscope For Monday, March 30 Is Here With A Reading For Your Zodiac Sign

Yahoo: March 22 to March 28 Horoscope Forecast: Your Zodiac Sign's Week

Soy Carmín on MSN: Life Gets Easier For 3 Zodiac Signs On March 14 2026

Spring is in full swing following the vernal equinox on March 20, which launched us headfirst into a new season and a new astrological year. For those of us in the northern hemisphere, temperatures ...

W magazine: March Horoscope: The 4 Signs Starting a Complete Transformation With the Spring Equinox

March Horoscope: The 4 Signs Starting a Complete Transformation With the Spring Equinox

YourTango: 5 Zodiac Signs Have Very Good Horoscopes On Wednesday, March 25

For -O0, whether -march=native or -march= is the default still specifies the same family, so both are perfectly compatibly with -O0; and whenever another optimization level is specified, -march=native is beneficial to performance. So, for me, the fact that -O0 is the default doesn't matter for -march 's default.

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 are a lot of possible combinations of extensions, so only the most relevant were chosen (e.g. skylake-avx512 was added to reflect an important extension of some skylakes). -march ...

-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: -march=native on a CPU that GCC doesn't specifically recognize will still enable new instruction sets that GCC can detect, but will leave -mtune=generic. Use a new enough GCC that knows about ...