On 5 April 2016 at 17:31, Richard Henderson <r...@twiddle.net> wrote: > On 04/05/2016 09:23 AM, Lluís Vilanova wrote: >> >> Got it! >> >> gcc -march=native --help=params -v 2>&1 | grep "param >> l1-cache-line-size" | sed -e 's/.* --param l1-cache-line-size=\([0-9]\+\) >> .*/\1/' > > > That will only work on x86, where we can be pretty sure it's 64 anyway.
Doesn't work on OSX x86 either, since the gcc-to-clang wrapper doesn't support --help=params :-) thanks -- PMM
