From: Thomas Monjalon <thomas@monjalon.net>
To: Yuval Avnery <yuvalav@nvidia.com>
Cc: Ori Kam <orika@mellanox.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] regex/mlx5: add dynamic memory registration to datapath
Date: Sun, 04 Oct 2020 21:38:57 +0200 [thread overview]
Message-ID: <8431823.Zv4F04o16R@thomas> (raw)
In-Reply-To: <1600948546-124153-1-git-send-email-yuvalav@nvidia.com>
Hi Yuval,
> From: Yuval Avnery <yuvalav@mellanox.com>
>
> Currently job data is being copied to pre-registered buffer.
> To avoid memcpy on the datapath, use dynamic memory registration.
>
> This change will reduce latency when sending regex jobs. The first few
> jobs may have high latency due to registration, but assuming all
> following mbufs will arrive from the same mempool/hugepage, there will
> be no further memory registration.
>
> Signed-off-by: Yuval Avnery <yuvalav@mellanox.com>
> Acked-by: Ori Kam <orika@mellanox.com>
There is a compilation issue:
drivers/regex/mlx5/mlx5_regex.c:200:
undefined reference to `mlx5_os_set_reg_mr_cb'
next prev parent reply other threads:[~2020-10-04 19:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-24 11:55 Yuval Avnery
2020-10-04 19:38 ` Thomas Monjalon [this message]
2020-10-05 11:57 ` Yuval Avnery
2020-10-05 10:51 ` [dpdk-dev] [PATCH v3] " Yuval Avnery
2020-10-05 22:59 ` Thomas Monjalon
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