On Saturday, March 10, 2018 6:01:31 AM CET Mike Galbraith wrote: > On Fri, 2018-03-09 at 10:34 +0100, Rafael J. Wysocki wrote: > > Hi All, > > > > Thanks a lot for the discussion and testing so far! > > > > This is a total respin of the whole series, so please look at it afresh. > > Patches 2 and 3 are the most similar to their previous versions, but > > still they are different enough. > > Respin of testdrive...
Appreciated, thanks! > i4790 booted nopti nospectre_v2 > > 30 sec tbench > 4.16.0.g1b88acc-master (virgin) > Throughput 559.279 MB/sec 1 clients 1 procs max_latency=0.046 ms > Throughput 997.119 MB/sec 2 clients 2 procs max_latency=0.246 ms > Throughput 1693.04 MB/sec 4 clients 4 procs max_latency=4.309 ms > Throughput 3597.2 MB/sec 8 clients 8 procs max_latency=6.760 ms > Throughput 3474.55 MB/sec 16 clients 16 procs max_latency=6.743 ms > > 4.16.0.g1b88acc-master (+ v2) > Throughput 588.929 MB/sec 1 clients 1 procs max_latency=0.291 ms > Throughput 1080.93 MB/sec 2 clients 2 procs max_latency=0.639 ms > Throughput 1826.3 MB/sec 4 clients 4 procs max_latency=0.647 ms > Throughput 3561.01 MB/sec 8 clients 8 procs max_latency=1.279 ms > Throughput 3382.98 MB/sec 16 clients 16 procs max_latency=4.817 ms > > 4.16.0.g1b88acc-master (+ v3) > Throughput 588.711 MB/sec 1 clients 1 procs max_latency=0.067 ms > Throughput 1077.71 MB/sec 2 clients 2 procs max_latency=0.298 ms This is a bit better than "raw". Around 8-9% I'd say. > Throughput 1803.47 MB/sec 4 clients 4 procs max_latency=0.667 ms This one is too, but not as much. > Throughput 3591.4 MB/sec 8 clients 8 procs max_latency=4.999 ms > Throughput 3444.74 MB/sec 16 clients 16 procs max_latency=1.995 ms And these are slightly worse, but just slightly. > 4.16.0.g1b88acc-master (+ my local patches) > Throughput 722.559 MB/sec 1 clients 1 procs max_latency=0.087 ms > Throughput 1208.59 MB/sec 2 clients 2 procs max_latency=0.289 ms > Throughput 2071.94 MB/sec 4 clients 4 procs max_latency=0.654 ms > Throughput 3784.91 MB/sec 8 clients 8 procs max_latency=0.974 ms > Throughput 3644.4 MB/sec 16 clients 16 procs max_latency=5.620 ms > > turbostat -q -- firefox /root/tmp/video/BigBuckBunny-DivXPlusHD.mkv & sleep > 300;killall firefox > > PkgWatt > 1 2 3 > 4.16.0.g1b88acc-master 6.95 7.03 6.91 (virgin) > 4.16.0.g1b88acc-master 7.20 7.25 7.26 (+v2) > 4.16.0.g1b88acc-master 7.04 6.97 7.07 (+v3) > 4.16.0.g1b88acc-master 6.90 7.06 6.95 (+my patches) > > No change wrt nohz high frequency cross core scheduling overhead, but > the light load power consumption oddity did go away. OK > (btw, don't read anything into max_latency numbers, that's GUI noise) I see. Thanks!