From: Ferruh Yigit <ferruh.yigit@amd.com>
To: Vipin Varghese <vipin.varghese@amd.com>,
bruce.richardson@intel.com, konstantin.v.ananyev@yandex.ru,
aman.deep.singh@intel.com, dev@dpdk.org
Subject: Re: [PATCH v2 0/3] app/testpmd: improve sse based macswap
Date: Fri, 4 Oct 2024 06:08:40 +0100 [thread overview]
Message-ID: <45bb0358-1ac4-424a-8c7e-a9edc3047c53@amd.com> (raw)
In-Reply-To: <20240821143857.1972-1-vipin.varghese@amd.com>
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@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@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.
next prev parent reply other threads:[~2024-10-04 5:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-16 6:37 [PATCH] " Vipin Varghese
2024-07-23 16:45 ` Ferruh Yigit
2024-07-23 17:12 ` Bruce Richardson
2024-07-25 12:47 ` Varghese, Vipin
2024-07-25 12:52 ` Bruce Richardson
2024-08-21 14:38 ` [PATCH v2 0/3] " Vipin Varghese
2024-08-21 14:38 ` [PATCH v2 1/3] app/testpmd: add register keyword Vipin Varghese
2024-08-21 14:55 ` Stephen Hemminger
2024-08-27 15:32 ` Varghese, Vipin
2024-08-27 17:39 ` Stephen Hemminger
2024-08-29 8:14 ` Varghese, Vipin
2024-09-03 11:52 ` Konstantin Ananyev
2024-09-06 13:02 ` Varghese, Vipin
2024-10-04 5:04 ` Ferruh Yigit
2024-08-21 14:38 ` [PATCH v2 2/3] app/testpmd: move offload update Vipin Varghese
2024-08-21 14:38 ` [PATCH v2 3/3] app/testpmd: interleave SSE SIMD Vipin Varghese
2024-10-04 5:08 ` Ferruh Yigit [this message]
2024-10-08 1:12 ` [PATCH v2 0/3] app/testpmd: improve sse based macswap Ferruh Yigit
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