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Message-ID: <92be97a5-f2da-44ed-8008-8c0a5aa68b9a@iscas.ac.cn>
Date: Mon, 17 Nov 2025 09:43:15 +0800
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Subject: Re: [PATCH] node: lookup with RISC-V vector extension
To: dev@dpdk.org
Cc: Zijian <zijian.oerv@isrc.iscas.ac.cn>,
 =?UTF-8?Q?Stanis=C5=82aw_Kardach?= <stanislaw.kardach@gmail.com>,
 Nithin Dabilpuram <ndabilpuram@marvell.com>,
 Pavan Nikhilesh <pbhagavatula@marvell.com>
References: <20251116155001.2809998-1-sunyuechi@iscas.ac.cn>
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From: sunyuechi <sunyuechi@iscas.ac.cn>
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> Implement ip4_lookup_node_process_vec function for RISC-V architecture
> using RISC-V Vector Extension instruction set
>
> Signed-off-by: Sun Yuechi <sunyuechi@iscas.ac.cn>
> Signed-off-by: Zijian <zijian.oerv@isrc.iscas.ac.cn>
> ---
>   lib/eal/riscv/include/rte_vect.h |   2 +-
>   lib/node/ip4_lookup.c            |   5 +-
>   lib/node/ip4_lookup_rvv.h        | 167 +++++++++++++++++++++++++++++++
>   3 files changed, 172 insertions(+), 2 deletions(-)
>   create mode 100644 lib/node/ip4_lookup_rvv.h
>
Testing on sg2044 with dpdk-l3fwd-graph shows approximately 30% throughput
improvement and roughly 50%-60% reduction in ip4_lookup