On Mon, Nov 25, 2024, at 9:12 AM, Alexander Lobakin wrote: > From: Daniel Xu <dxu@xxxxxxxxx> > Date: Fri, 22 Nov 2024 17:10:06 -0700 > >> Hi Olek, >> >> Here are the results. >> >> On Wed, Nov 13, 2024 at 03:39:13PM GMT, Daniel Xu wrote: >>> >>> >>> On Tue, Nov 12, 2024, at 9:43 AM, Alexander Lobakin wrote: > > [...] > >> Baseline (again) >> >> Transactions Latency P50 (s) Latency P90 (s) Latency P99 (s) Throughput (Mbit/s) >> Run 1 3169917 0.00007295 0.00007871 0.00009343 Run 1 21749.43 >> Run 2 3228290 0.00007103 0.00007679 0.00009215 Run 2 21897.17 >> Run 3 3226746 0.00007231 0.00007871 0.00009087 Run 3 21906.82 >> Run 4 3191258 0.00007231 0.00007743 0.00009087 Run 4 21155.15 >> Run 5 3235653 0.00007231 0.00007743 0.00008703 Run 5 21397.06 >> Average 3210372.8 0.000072182 0.000077814 0.00009087 Average 21621.126 >> >> cpumap v2 Olek >> >> Transactions Latency P50 (s) Latency P90 (s) Latency P99 (s) Throughput (Mbit/s) >> Run 1 3253651 0.00007167 0.00007807 0.00009343 Run 1 13497.57 >> Run 2 3221492 0.00007231 0.00007743 0.00009087 Run 2 12115.53 >> Run 3 3296453 0.00007039 0.00007807 0.00009087 Run 3 12323.38 >> Run 4 3254460 0.00007167 0.00007807 0.00009087 Run 4 12901.88 >> Run 5 3173327 0.00007295 0.00007871 0.00009215 Run 5 12593.22 >> Average 3239876.6 0.000071798 0.00007807 0.000091638 Average 12686.316 >> Delta 0.92% -0.53% 0.33% 0.85% -41.32% >> >> >> It's very interesting that we see -40% tput w/ the patches. I went back > > Oh no, I messed up something =\ > > Could you please also test not the whole series, but patches 1-3 (up to > "bpf:cpumap: switch to GRO...") and 1-4 (up to "bpf: cpumap: reuse skb > array...")? Would be great to see whether this implementation works > worse right from the start or I just broke something later on. Patches 1-3 reproduces the -40% tput numbers. With patches 1-4 the numbers get slightly worse (~1gbps lower) but it was noisy. tcp_rr results were unaffected. Thanks, Daniel
