Benchmarking The Linux 5.19 Kernel Built With "-O3 -march=native"

Following the upstream discussions over -O3'ing the Linux kernel last month I ran some fresh benchmarks of the Linux kernel built with -O2 versus -O3. After the -O3 optimized kernel build results weren't too impressive, a number of Phoronix readers were virtually shouting that "-O3 -march=native" is where it's at for fun and performance... To appease those even though in the past it hasn't proven worthwhile and upstream kernel developers are against it, here are those numbers...