From: Stephen Hemminger <stephen@networkplumber.org>
To: Stanislaw Kardach <kda@semihalf.com>
Cc: Vladimir Medvedkin <vladimir.medvedkin@intel.com>,
Michal Mazurek <maz@semihalf.com>,
dev@dpdk.org, Frank Zhao <Frank.Zhao@starfivetech.com>,
Sam Grove <sam.grove@sifive.com>,
mw@semihalf.com, upstream@semihalf.com
Subject: Re: [PATCH v2 2/2] lpm: add a scalar version of lookupx4 function
Date: Fri, 27 May 2022 13:15:20 -0700 [thread overview]
Message-ID: <20220527131520.23d9f544@hermes.local> (raw)
In-Reply-To: <20220527181822.716758-2-kda@semihalf.com>
On Fri, 27 May 2022 20:18:22 +0200
Stanislaw Kardach <kda@semihalf.com> wrote:
> +static inline void
> +rte_lpm_lookupx4(const struct rte_lpm *lpm, xmm_t ip, uint32_t hop[4],
> + uint32_t defv)
> +{
> + uint32_t nh;
> + int i, ret;
> +
> + for (i = 0; i < 4; i++) {
> + ret = rte_lpm_lookup(lpm, ((rte_xmm_t)ip).u32[i], &nh);
> + hop[i] = (ret == 0) ? nh : defv;
> + }
> +}
For performance, manually unroll the loop.
next prev parent reply other threads:[~2022-05-27 20:15 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-10 11:58 [PATCH 1/1] lpm: add a scalar version of lookupx4 function Stanislaw Kardach
2022-05-19 17:02 ` Medvedkin, Vladimir
2022-05-24 16:28 ` Stanisław Kardach
2022-05-27 11:16 ` Stanisław Kardach
2022-05-27 13:16 ` Medvedkin, Vladimir
2022-05-27 18:18 ` [PATCH v2 1/2] lpm: add const to lpm arg of rte_lpm_lookup Stanislaw Kardach
2022-05-27 18:18 ` [PATCH v2 2/2] lpm: add a scalar version of lookupx4 function Stanislaw Kardach
2022-05-27 20:15 ` Stephen Hemminger [this message]
2022-05-30 7:52 ` Bruce Richardson
2022-05-30 8:00 ` Morten Brørup
2022-05-30 10:42 ` Bruce Richardson
2022-05-30 11:20 ` Stanisław Kardach
2022-05-30 12:46 ` Bruce Richardson
2022-05-30 18:24 ` [PATCH v3 1/2] lpm: add const to lpm arg of rte_lpm_lookup Stanislaw Kardach
2022-05-30 18:24 ` [PATCH v3 2/2] lpm: add a scalar version of lookupx4 function Stanislaw Kardach
2022-06-01 9:41 ` Medvedkin, Vladimir
2022-06-01 10:32 ` Stanisław Kardach
2022-05-30 20:38 ` [PATCH v3 1/2] lpm: add const to lpm arg of rte_lpm_lookup Stephen Hemminger
2022-06-01 9:35 ` Medvedkin, Vladimir
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