On Mon, 2016-05-09 at 10:33 +0200, Peter Zijlstra wrote: > On Fri, May 06, 2016 at 08:54:38PM +0200, Mike Galbraith wrote: > > master > > Throughput 2722.43 MB/sec 4 clients 4 procs max_latency=2.400 ms > > > echo NO_IDLE_SIBLING > /sys/kernel/debug/sched_features > > Throughput 3484.18 MB/sec 4 clients 4 procs max_latency=3.430 ms > > Yeah, I know about that bump, I just haven't managed to find a way to > preserve that and keep all the other benchmarks ticking along :/
Yup, L3 ain't L2. I haven't come up with a good metric either. Poo. Until that comes along, microbenchmarks can bugger off, real boxen don't just play high speed ping-pong with themselves for a living ;-) -Mike