From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Joyce Kong" <joyce.kong@arm.com>, <maxime.coquelin@redhat.com>,
<jerinj@marvell.com>, <zhihong.wang@intel.com>,
<xiaolong.ye@intel.com>, <beilei.xing@intel.com>,
<jia.guo@intel.com>, <john.mcnamara@intel.com>,
<matan@mellanox.com>, <shahafs@mellanox.com>,
<viacheslavo@mellanox.com>, <honnappa.nagarahalli@arm.com>,
<phil.yang@arm.com>, <ruifeng.wang@arm.com>
Cc: <dev@dpdk.org>, <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH v2 0/6] Restrict pointer aliasing with a commonwrapper
Date: Thu, 9 Jul 2020 15:52:34 +0200 [thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35C61111@smartserver.smartshare.dk> (raw)
In-Reply-To: <20200706074930.54299-1-joyce.kong@arm.com>
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Joyce Kong
> Sent: Monday, July 6, 2020 9:49 AM
>
> As the 'restrict' keyword is recognized in C99, this patchset is to
> add a wrapper defining '__rte_restrict' which can be supported by
> all compilers. Then replace the existing 'restrict' and '__restrict'
> in different vpmds, and optimize vhost/virtio with restricted pointer
> aliasing for more aggressive loops vectorization.
>
> The vhost/virtio optimization patches were benchmarked by running PVP
> case on ThunderX2 platform and showed positive performance results.
>
> Joyce Kong (6):
> lib/eal: add a wrapper to define restricted pointers
> net/virtio: restrict pointer aliasing for NEON vpmd
> lib/vhost: restrict pointer aliasing for packed vpmd
> net/i40e: replace restrict with rte restrict
> examples/performance-thread: replace restrict with wrapper
> net/mlx5: replace restrict keyword with rte restrict
>
> drivers/net/i40e/i40e_rxtx_vec_neon.c | 17 +-
> drivers/net/mlx5/mlx5_rxtx.c | 208 +++++++++---------
> drivers/net/virtio/virtio_rxtx_simple_neon.c | 5 +-
> .../pthread_shim/pthread_shim.c | 12 +-
> lib/librte_eal/include/rte_common.h | 10 +
> lib/librte_vhost/virtio_net.c | 14 +-
> 6 files changed, 139 insertions(+), 127 deletions(-)
>
> --
> 2.27.0
>
If you are hunting for more places to add __rte_restrict, I will suggest rte_memcpy.h.
next prev parent reply other threads:[~2020-07-09 13:52 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-11 3:32 [dpdk-dev] [PATCH v1 0/2] virtio: restrict pointer aliasing for loops vectorization Joyce Kong
2020-06-11 3:32 ` [dpdk-dev] [PATCH v1 1/2] net/virtio: restrict pointer aliasing for NEON vpmd Joyce Kong
2020-06-23 8:47 ` Maxime Coquelin
2020-06-23 9:05 ` Phil Yang
2020-06-24 2:58 ` Joyce Kong
2020-06-24 4:16 ` Stephen Hemminger
2020-06-11 3:32 ` [dpdk-dev] [PATCH v1 2/2] lib/vhost: restrict pointer aliasing for packed path Joyce Kong
2020-07-07 16:25 ` Adrian Moreno
2020-07-10 3:15 ` Joyce Kong
2020-07-06 7:49 ` [dpdk-dev] [PATCH v2 0/6] Restrict pointer aliasing with a common wrapper Joyce Kong
2020-07-06 7:49 ` [dpdk-dev] [PATCH v2 1/6] lib/eal: add a common wrapper for restricted pointers Joyce Kong
2020-07-07 2:15 ` Jerin Jacob
2020-07-07 2:24 ` Phil Yang
2020-07-07 2:40 ` Ruifeng Wang
2020-07-07 13:57 ` David Marchand
2020-07-08 2:46 ` Joyce Kong
2020-07-06 7:49 ` [dpdk-dev] [PATCH v2 2/6] net/virtio: restrict pointer aliasing for NEON vpmd Joyce Kong
2020-07-06 7:49 ` [dpdk-dev] [PATCH v2 3/6] lib/vhost: restrict pointer aliasing for packed vpmd Joyce Kong
2020-07-07 13:58 ` David Marchand
2020-07-06 7:49 ` [dpdk-dev] [PATCH v2 4/6] net/i40e: replace restrict with rte restrict Joyce Kong
2020-07-07 2:25 ` Phil Yang
2020-07-07 2:43 ` Ruifeng Wang
2020-07-07 14:00 ` David Marchand
2020-07-08 3:21 ` Joyce Kong
2020-07-09 9:57 ` David Marchand
2020-07-10 2:45 ` Joyce Kong
2020-07-06 7:49 ` [dpdk-dev] [PATCH v2 5/6] examples/performance-thread: replace restrict with wrapper Joyce Kong
2020-07-07 2:27 ` Phil Yang
2020-07-07 2:45 ` Ruifeng Wang
2020-07-06 7:49 ` [dpdk-dev] [PATCH v2 6/6] net/mlx5: replace restrict keyword with rte restrict Joyce Kong
2020-07-07 2:28 ` Phil Yang
2020-07-07 2:47 ` Ruifeng Wang
2020-07-09 13:52 ` Morten Brørup [this message]
2020-07-10 3:17 ` [dpdk-dev] [PATCH v2 0/6] Restrict pointer aliasing with a commonwrapper Joyce Kong
2020-07-10 2:38 ` [dpdk-dev] [PATCH v3 0/3] restrict pointer aliasing with a common wrapper Joyce Kong
2020-07-10 2:38 ` [dpdk-dev] [PATCH v3 1/3] lib/eal: add a common wrapper for restricted pointers Joyce Kong
2020-07-10 2:38 ` [dpdk-dev] [PATCH v3 2/3] net/virtio: restrict pointer aliasing for NEON vpmd Joyce Kong
2020-07-10 2:38 ` [dpdk-dev] [PATCH v3 3/3] lib/vhost: restrict pointer aliasing for packed vpmd Joyce Kong
2020-07-10 13:41 ` Adrian Moreno
2020-07-10 14:05 ` [dpdk-dev] [PATCH v3 0/3] restrict pointer aliasing with a common wrapper David Marchand
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