3 ms·
Correct. We are going to build using the correct -march flags: https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html https://gcc.gnu.org/onlinedocs/gcc/x86-Optio
by erichileman 10y ago
Correct. We are going to build using the correct -march flags: https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
- erichileman 10y ago>>gcc -march=native -Q --help=target >>march=silvermont gcc native thinks this e3 is silvermont, a low power SoC.
- erichileman 10y agoWe built 5.6 with -O2 -march=broadwell -mno=avx (had to remove, probably pecl ext issue). There was about a 15% performance gain. Nothing that would explain the large difference between E3 and E5.