From: Stephen Hemminger <stephen@networkplumber.org>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: Aman Kumar <aman.kumar@vvdntech.in>,
dev@dpdk.org, rasland@nvidia.com, asafp@nvidia.com,
shys@nvidia.com, viacheslavo@nvidia.com, akozyrev@nvidia.com,
matan@nvidia.com, anatoly.burakov@intel.com,
keesang.song@amd.com, jerinjacobk@gmail.com,
bruce.richardson@intel.com, konstantin.ananyev@intel.com,
david.marchand@redhat.com
Subject: Re: [dpdk-dev] [PATCH v2 1/2] lib/eal: add amd epyc2 memcpy routine to eal
Date: Tue, 19 Oct 2021 08:35:06 -0700 [thread overview]
Message-ID: <20211019083506.078bbbc5@hermes.local> (raw)
In-Reply-To: <1936725.1xRPv8SPVf@thomas>
On Tue, 19 Oct 2021 14:31:01 +0200
Thomas Monjalon <thomas@monjalon.net> wrote:
> 19/10/2021 12:47, Aman Kumar:
> > This patch provides rte_memcpy* calls optimized for
> > AMD EPYC platforms. Use config/x86/x86_amd_epyc_linux_gcc
> > as cross-file with meson to build dpdk for AMD EPYC platforms.
>
> Please split in 2 patches: platform & memcpy.
>
> What optimization is specific to EPYC?
>
> I dislike the asm code below.
> What is AMD specific inside?
> Can it use compiler intrinsics as it is done elsewhere?
And why is this not done by Gcc?
next prev parent reply other threads:[~2021-10-19 15:35 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-23 8:44 [dpdk-dev] [PATCH " Aman Kumar
2021-08-23 8:44 ` [dpdk-dev] [PATCH 2/2] net/mlx5: optimize mprq memcpy for AMD EPYC2 platforms Aman Kumar
2021-10-13 16:53 ` Thomas Monjalon
2021-10-19 10:52 ` Aman Kumar
2021-08-23 15:21 ` [dpdk-dev] [PATCH 1/2] lib/eal: add amd epyc2 memcpy routine to eal Jerin Jacob
2021-08-30 9:39 ` Aman Kumar
2021-10-19 10:47 ` [dpdk-dev] [PATCH v2 " Aman Kumar
2021-10-19 10:47 ` [dpdk-dev] [PATCH v2 2/2] net/mlx5: optimize mprq memcpy for AMD EPYC2 plaform Aman Kumar
2021-10-19 12:31 ` [dpdk-dev] [PATCH v2 1/2] lib/eal: add amd epyc2 memcpy routine to eal Thomas Monjalon
2021-10-19 15:35 ` Stephen Hemminger [this message]
2021-10-21 17:10 ` Song, Keesang
2021-10-21 17:40 ` Ananyev, Konstantin
2021-10-21 18:12 ` Song, Keesang
2021-10-21 18:41 ` Thomas Monjalon
2021-10-21 19:03 ` Song, Keesang
2021-10-21 19:50 ` Thomas Monjalon
2021-10-21 20:14 ` Thomas Monjalon
2021-10-22 8:45 ` Bruce Richardson
2021-10-26 15:56 ` [dpdk-dev] [PATCH v3 1/3] config/x86: add support for AMD platform Aman Kumar
2021-10-26 15:56 ` [dpdk-dev] [PATCH v3 2/3] doc/guides: add dpdk build instruction for AMD platforms Aman Kumar
2021-10-26 16:07 ` Thomas Monjalon
2021-10-27 6:30 ` Aman Kumar
2021-10-26 15:56 ` [dpdk-dev] [PATCH v3 3/3] lib/eal: add temporal store memcpy support on AMD platform Aman Kumar
2021-10-26 16:14 ` Thomas Monjalon
2021-10-27 6:34 ` Aman Kumar
2021-10-27 7:59 ` Thomas Monjalon
2021-10-26 21:10 ` Stephen Hemminger
2021-10-27 6:43 ` Aman Kumar
2021-10-26 16:01 ` [dpdk-dev] [PATCH v3 1/3] config/x86: add support for " Thomas Monjalon
2021-10-27 6:26 ` Aman Kumar
2021-10-27 7:28 ` [dpdk-dev] [PATCH v4 1/2] " Aman Kumar
2021-10-27 7:28 ` [dpdk-dev] [PATCH v4 2/2] lib/eal: add temporal store memcpy " Aman Kumar
2021-10-27 8:13 ` Thomas Monjalon
2021-10-27 11:03 ` Van Haaren, Harry
2021-10-27 11:41 ` Mattias Rönnblom
2021-10-27 12:15 ` Van Haaren, Harry
2021-10-27 12:22 ` Ananyev, Konstantin
2021-10-27 13:34 ` Aman Kumar
2021-10-27 14:10 ` Van Haaren, Harry
2021-10-27 14:31 ` Thomas Monjalon
2021-10-29 16:01 ` Song, Keesang
2021-10-27 14:26 ` Ananyev, Konstantin
2021-10-27 11:33 ` Mattias Rönnblom
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