On 8/21/2024 3:38 PM, Vipin Varghese wrote: > Goal of the patch series is to improve SSE macswap on x86_64 by > reducing the stalls in backend engine. Original implementation of > the SSE-mac-swap makes loop call to multiple load, shuffle & store. > > Using SIMD ISA interleaving, register variable and reducing L1 & L2 > cache eviction, we can reduce the stalls for > - load SSE token exhaustion > - Shuffle and Load dependency > > Build test using meson script: > `````````````````````````````` > build-gcc-static > buildtools > build-gcc-shared > build-mini > build-clang-static > build-clang-shared > build-x86-generic > > Test Results: > ````````````` > > Platform-1: AMD EPYC SIENA 8594P @2.3GHz, no boost > Platform-2: AMD EPYC 9554 @3.1GHz, no boost > > NIC: > 1) mellanox CX-7 1*200Gbps > 2) intel E810 1*100Gbps > 3) intel E810 2*200Gbps (2CQ-DA2) - loopback > 4) braodcom P2100 2*100Gbps - loopback > > ------------------------------------------------ > TEST IO 64B: baseline <NIC : MPPs> > - NIC-1: 42.0 > - NIC-2: 82.0 > - NIC-3: 82.45 > - NIC-3: 47.03 > ------------------------------------------------ > TEST MACSWAP 64B: <NIC : Before : After> > - NIC-1: 31.533 : 31.90 > - NIC-2: 48.0 : 48.9 > - NIC-3: 48.840 : 49.827 > - NIC-4: 44.3 : 45.5 > ------------------------------------------------ > TEST MACSWAP 128B: <NIC : Before: After> > - NIC-1: 30.946 : 31.770 > - NIC-2: 47.4 : 48.3 > - NIC-3: 47.979 : 48.503 > - NIC-4: 41.53 : 44.59 > ------------------------------------------------ > TEST MACSWAP 256B: <NIC: Before: After> > - NIC-1: 32.480 : 33.150 > - NIC-2: 45.29 : 45.571 > - NIC-3: 45.033 : 45.117 > - NIC-4: 36.49 : 37.5 > ------------------------------------------------ > > > ------------------------------------------------ > TEST IO 64B: baseline <NIC : MPPs> > - intel E810 2*200Gbps (2CQ-DA2): 82.49 > ------------------------------------------------ > <NIC intel E810 2*200Gbps (2CQ-DA2): Before : After> > TEST MACSWAP: 1Q 1C1T > 64B: : 45.0 : 45.54 > 128B: : 44.48 : 44.43 > 256B: : 42.0 : 41.99 > +++++++++++++++++++++++++ > TEST MACSWAP: 2Q 2C2T > 64B: : 59.5 : 60.55 > 128B: : 56.78 : 58.1 > 256B: : 41.85 : 41.99 > ------------------------------------------------ > > Signed-off-by: Vipin Varghese <vipin.vargh...@amd.com> > > Vipin Varghese (3): > app/testpmd: add register keyword > app/testpmd: move offload update > app/testpmd: interleave SSE SIMD >
For series, Acked-by: Ferruh Yigit <ferruh.yi...@amd.com> Bruce, if your testing is not aligned with the presented results please let us know, otherwise I am planning to get the patch for -rc1.
