From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Zhiyong Yang <zhiyong.yang@intel.com>
Cc: dev@dpdk.org, yuanhan.liu@linux.intel.com,
bruce.richardson@intel.com, konstantin.ananyev@intel.com
Subject: Re: [PATCH 4/4] lib/librte_vhost: improve vhost perf using rte_memset
Date: Fri, 02 Dec 2016 10:46:18 +0100 [thread overview]
Message-ID: <1608392.pphkK3YPda@xps13> (raw)
In-Reply-To: <1480926387-63838-5-git-send-email-zhiyong.yang@intel.com>
2016-12-05 16:26, Zhiyong Yang:
> +* **Introduced rte_memset and related test on IA platform.**
> +
> + Performance drop had been caused in some cases on Ivybridge when DPDK code calls glibc
> + function memset. It was necessary to introduce more high efficient function to fix it.
> + The function rte_memset supported three types of instruction sets including sse & avx(128 bits),
> + avx2(256 bits) and avx512(512bits).
> +
> + * Added rte_memset support on IA platform.
> + * Added functional autotest support for rte_memset.
> + * Added performance autotest support for rte_memset.
No need to reference autotests in the release notes.
> + * Improved performance to use rte_memset instead of copy_virtio_net_hdr in lib/librte_vhost.
Please describe this change at a higher level. Which case it is improving?
next prev parent reply other threads:[~2016-12-02 9:46 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-02 8:36 [PATCH 0/4] eal/common: introduce rte_memset and related test Zhiyong Yang
2016-12-02 8:36 ` [PATCH 1/4] eal/common: introduce rte_memset on IA platform Zhiyong Yang
2016-12-02 10:25 ` Thomas Monjalon
2016-12-08 7:41 ` Yang, Zhiyong
2016-12-08 9:26 ` Ananyev, Konstantin
2016-12-08 9:53 ` Yang, Zhiyong
2016-12-08 10:27 ` Bruce Richardson
2016-12-08 10:30 ` Ananyev, Konstantin
2016-12-11 12:32 ` Yang, Zhiyong
2016-12-15 6:51 ` Yang, Zhiyong
2016-12-15 10:12 ` Bruce Richardson
2016-12-16 10:19 ` Yang, Zhiyong
2016-12-19 6:27 ` Yuanhan Liu
2016-12-20 2:41 ` Yao, Lei A
2016-12-15 10:53 ` Ananyev, Konstantin
2016-12-16 2:15 ` Yang, Zhiyong
2016-12-16 11:47 ` Ananyev, Konstantin
2016-12-20 9:31 ` Yang, Zhiyong
2016-12-08 15:09 ` Thomas Monjalon
2016-12-11 12:04 ` Yang, Zhiyong
2016-12-27 10:04 ` [PATCH v2 0/4] eal/common: introduce rte_memset and related test Zhiyong Yang
2016-12-27 10:04 ` [PATCH v2 1/4] eal/common: introduce rte_memset on IA platform Zhiyong Yang
2016-12-27 10:04 ` [PATCH v2 2/4] app/test: add functional autotest for rte_memset Zhiyong Yang
2016-12-27 10:04 ` [PATCH v2 3/4] app/test: add performance " Zhiyong Yang
2016-12-27 10:04 ` [PATCH v2 4/4] lib/librte_vhost: improve vhost perf using rte_memset Zhiyong Yang
2017-01-09 9:48 ` [PATCH v2 0/4] eal/common: introduce rte_memset and related test Yang, Zhiyong
2017-01-17 6:24 ` Yang, Zhiyong
2017-01-17 20:14 ` Thomas Monjalon
2017-01-18 0:15 ` Vincent JARDIN
2017-01-18 2:42 ` Yang, Zhiyong
2017-01-18 7:42 ` Thomas Monjalon
2017-01-19 1:36 ` Yang, Zhiyong
2016-12-02 8:36 ` [PATCH 2/4] app/test: add functional autotest for rte_memset Zhiyong Yang
2016-12-02 8:36 ` [PATCH 3/4] app/test: add performance " Zhiyong Yang
2016-12-02 8:36 ` [PATCH 4/4] lib/librte_vhost: improve vhost perf using rte_memset Zhiyong Yang
2016-12-02 9:46 ` Thomas Monjalon [this message]
2016-12-06 8:04 ` Yang, Zhiyong
2016-12-02 10:00 ` [PATCH 0/4] eal/common: introduce rte_memset and related test Maxime Coquelin
2016-12-06 6:33 ` Yang, Zhiyong
2016-12-06 8:29 ` Maxime Coquelin
2016-12-07 9:28 ` Yang, Zhiyong
2016-12-07 9:37 ` Yuanhan Liu
2016-12-07 9:43 ` Yang, Zhiyong
2016-12-07 9:48 ` Yuanhan Liu
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