On Mon, Feb 29, 2016 at 10:45:34AM +0000, Tvrtko Ursulin wrote: > This ok? > > """ > One unexplained result is with "gem_latency -n 0" (dispatching > empty batches) which shows 5% more throughput, 8% less CPU time, > 25% better producer and consumer latencies, but 15% higher > dispatch latency which looks like a possible measuring artifact. > """ I doubt it is a measuring artefact since throughput = 1/(dispatch + latency + test overhead), and the dispatch latency here is larger than the wakeup latency and so has greater impact on throughput in this scenario. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx