I don’t know about historically, but at least since ~2016(but likely much longer), ICC turned on -ffast-math and -O2 by default (even with no opt setting!), and I believe ICX followed suit.
I don’t know about historically, but at least since ~2016(but likely much longer), ICC turned on -ffast-math and -O2 by default (even with no opt setting!), and I believe ICX followed suit.