April 28, 2015
1 a.m.
Hello, Andev wrote:
I usually compile my kernel with an unsupported O3 option(why not? :).
Because there have been publications that show on major benchmarks, the effects of -O3 are indistinguishable from noise: http://people.cs.umass.edu/~emery/pubs/Stabilizer-UMass-CS-TR2011-43.pdf Have you noticed that -O3 provides any performance benefits over -O2? yours, Bobby