From: Stephen Hemminger <stephen@networkplumber.org>
To: Xiaoyun Li <xiaoyun.li@intel.com>
Cc: bruce.richardson@intel.com, dev@dpdk.org, wenzhuo.lu@intel.com,
zhihong.wang@intel.com, qi.z.zhang@intel.com
Subject: Re: [PATCH 1/3] eal/x86: run-time dispatch over memcpy
Date: Wed, 30 Aug 2017 11:00:40 -0700 [thread overview]
Message-ID: <20170830110040.20b037e6@xeon-e3> (raw)
In-Reply-To: <1503626773-184682-2-git-send-email-xiaoyun.li@intel.com>
On Fri, 25 Aug 2017 10:06:11 +0800
Xiaoyun Li <xiaoyun.li@intel.com> wrote:
> This patch dynamically selects functions of memcpy at run-time based
> on CPU flags that current machine supports. This patch uses function
> pointers which are bind to the relative functions at constrctor time.
> To make AVX512 instructions pass compilation, enable the switch in
> makefile.
>
> Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
Recent versions of GCC also have better ways to handle this.
next prev parent reply other threads:[~2017-08-30 18:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-25 2:06 [PATCH 0/3] dynamic linking support Xiaoyun Li
2017-08-25 2:06 ` [PATCH 1/3] eal/x86: run-time dispatch over memcpy Xiaoyun Li
2017-08-30 14:56 ` Ananyev, Konstantin
2017-08-30 17:51 ` Bruce Richardson
2017-08-31 1:21 ` Lu, Wenzhuo
2017-08-30 18:00 ` Stephen Hemminger [this message]
2017-08-31 1:23 ` Lu, Wenzhuo
2017-08-31 5:05 ` Stephen Hemminger
2017-08-31 5:24 ` Li, Xiaoyun
2017-08-25 2:06 ` [PATCH 2/3] app/test: run-time dispatch over memcpy perf test Xiaoyun Li
2017-08-25 2:06 ` [PATCH 3/3] efd: run-time dispatch over x86 EFD functions Xiaoyun Li
2017-09-01 8:56 ` [PATCH v2 0/3] dynamic linking support Xiaoyun Li
2017-09-01 8:57 ` [PATCH v2 1/3] eal/x86: run-time dispatch over memcpy Xiaoyun Li
2017-09-01 9:16 ` Ananyev, Konstantin
2017-09-01 9:28 ` Li, Xiaoyun
2017-09-01 10:38 ` Ananyev, Konstantin
2017-09-04 1:41 ` Li, Xiaoyun
[not found] ` <B9E724F4CB7543449049E7AE7669D82F44216E@SHSMSX101.ccr.corp.intel.com>
[not found] ` <B9E724F4CB7543449049E7AE7669D82F442FE6@SHSMSX101.ccr.corp.intel.com>
2017-09-12 2:27 ` Li, Xiaoyun
2017-09-20 6:57 ` Li, Xiaoyun
2017-09-01 15:34 ` Stephen Hemminger
2017-09-01 8:57 ` [PATCH v2 2/3] app/test: run-time dispatch over memcpy perf test Xiaoyun Li
2017-09-01 8:57 ` [PATCH v2 3/3] efd: run-time dispatch over x86 EFD functions Xiaoyun Li
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