[PATCH v2 0/3] app/testpmd: improve sse based macswap

[Ferruh Yigit]

On 10/4/2024 6:08 AM, Ferruh Yigit wrote:
> 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.varghese at 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.yigit at 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.
> 

Series applied to dpdk-next-net/main, thanks.