From: Thomas Monjalon <thomas@monjalon.net>
To: Elena Agostini <eagostini@nvidia.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH v1] gpudev: remove unnecessary rte_gpu_wmb
Date: Fri, 26 Nov 2021 12:29:10 +0100 [thread overview]
Message-ID: <29782478.duVJ8Zo7tk@thomas> (raw)
In-Reply-To: <20211125224054.26157-1-eagostini@nvidia.com>
25/11/2021 23:40, eagostini@nvidia.com:
> From: Elena Agostini <eagostini@nvidia.com>
>
> Remove unnecessary rte_gpu_wmb from rte_gpu_comm_populate_list_pkts.
> It causes a performance degradation in case of NVIDIA GPU V100.
>
> This change doesn't affect any functionality as the status resides
> in CPU registered memory.
>
> Fixes: c7ebd65c1372 ("gpudev: add communication list")
>
> Signed-off-by: Elena Agostini <eagostini@nvidia.com>
Applied, thanks.
prev parent reply other threads:[~2021-11-26 11:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-25 22:40 eagostini
2021-11-26 11:29 ` Thomas Monjalon [this message]
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