Messages in this thread | | | Date | Mon, 1 May 2023 20:49:20 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v8 2/2] sched/fair: Introduce SIS_CURRENT to wake up short task on current CPU |
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On Mon, May 01, 2023 at 05:32:05PM +0200, Mike Galbraith wrote: > On Mon, 2023-05-01 at 15:48 +0200, Peter Zijlstra wrote: > > > > Throughput 646.55 MB/sec 2 clients 2 procs max_latency=0.104 ms > > Throughput 1361.06 MB/sec 5 clients 5 procs max_latency=0.100 ms > > Throughput 1889.82 MB/sec 10 clients 10 procs max_latency=0.154 ms > > Throughput 2406.57 MB/sec 20 clients 20 procs max_latency=3.667 ms > > Throughput 2318.00 MB/sec 40 clients 40 procs max_latency=0.390 ms > > Throughput 2384.85 MB/sec 80 clients 80 procs max_latency=1.371 ms > > > > > > So what's going on here? I don't see anything exciting happening at the > > 40 mark. At the same time, I can't seem to reproduce Mike's latency pile > > up either :/ > > Are you running tbench in the GUI so the per second output stimulates > assorted goo? I'm using KDE fwtw.
Nah, the IVB-EP is headless, doesn't even have systemd on, still running sysvinit.
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