From: Stephen Hemminger <stephen@networkplumber.org>
To: Joyce Kong <joyce.kong@arm.com>
Cc: "Jakub Grajciar" <jgrajcia@cisco.com>,
dev@dpdk.org, nd@arm.com, "Ruifeng Wang" <ruifeng.wang@arm.com>,
"Morten Brørup" <mb@smartsharesystems.com>
Subject: Re: [PATCH v2 1/2] net/memif: add a Rx fast path
Date: Fri, 1 Jul 2022 09:51:53 -0700 [thread overview]
Message-ID: <20220701095153.2d6deb00@hermes.local> (raw)
In-Reply-To: <20220701102815.1444223-2-joyce.kong@arm.com>
On Fri, 1 Jul 2022 10:28:14 +0000
Joyce Kong <joyce.kong@arm.com> wrote:
> n_slots = last_slot - cur_slot;
> + if (likely(mbuf_size >= pmd->cfg.pkt_buffer_size)) {
> + while (n_slots && n_rx_pkts < nb_pkts) {
> + mbuf_head = rte_pktmbuf_alloc(mq->mempool);
> + if (unlikely(mbuf_head == NULL))
> + goto no_free_bufs;
> + mbuf = mbuf_head;
> +
> +next_slot1:
> + mbuf->port = mq->in_port;
> + s0 = cur_slot & mask;
> + d0 = &ring->desc[s0];
>
You might get additional speedup by doing bulk allocation.
If you know you are going to get N packets than rte_pktmbuf_alloc_bulk()
might speed it up?
next prev parent reply other threads:[~2022-07-01 16:51 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-12 9:32 [RFC] net/memif: add a fast path for Rx Joyce Kong
2022-05-17 10:51 ` [PATCH v1 0/2] add a fast path for memif Rx/Tx Joyce Kong
2022-05-17 10:51 ` [PATCH v1 1/2] net/memif: add a Rx fast path Joyce Kong
2022-05-18 16:53 ` Ferruh Yigit
2022-05-19 7:00 ` Joyce Kong
2022-05-19 8:44 ` Joyce Kong
2022-05-18 17:06 ` Ferruh Yigit
2022-05-19 15:09 ` Joyce Kong
2022-05-19 16:38 ` Ferruh Yigit
2022-05-17 10:51 ` [PATCH v1 2/2] net/memif: add a Tx " Joyce Kong
2022-05-17 13:59 ` [PATCH v1 0/2] add a fast path for memif Rx/Tx Morten Brørup
2022-05-18 2:48 ` Ruifeng Wang
2022-07-01 10:28 ` [PATCH v2 " Joyce Kong
2022-07-01 10:28 ` [PATCH v2 1/2] net/memif: add a Rx fast path Joyce Kong
2022-07-01 16:51 ` Stephen Hemminger [this message]
2022-08-22 3:47 ` [PATCH v3 0/2] add a fast path for memif Rx/Tx Joyce Kong
2022-08-22 3:47 ` [PATCH v3 1/2] net/memif: add a Rx fast path Joyce Kong
2022-08-31 16:25 ` Stephen Hemminger
2022-09-07 6:06 ` Joyce Kong
2022-08-22 3:47 ` [PATCH v3 2/2] net/memif: add a Tx " Joyce Kong
2022-07-01 10:28 ` [PATCH v2 " Joyce Kong
2022-09-15 6:58 ` [PATCH v4 0/2] add a fast path for memif Rx/Tx Joyce Kong
2022-09-15 6:58 ` [PATCH v4 1/2] net/memif: add a Rx fast path Joyce Kong
2022-09-15 6:58 ` [PATCH v4 2/2] net/memif: add a Tx " Joyce Kong
2022-09-22 9:12 ` [PATCH v4 0/2] add a fast path for memif Rx/Tx Ferruh Yigit
2022-12-09 13:59 ` Ferruh Yigit
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