From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Jan Viktorin <viktorin@rehivetech.com>
Cc: dev@dpdk.org, jerin.jacob@caviumnetworks.com,
tomaszx.kulasek@intel.com, jianbo.liu@linaro.org
Subject: Re: [dpdk-dev] [PATCH v3 4/4] eal/arm: introduce CONFIG_RTE_ARCH_ARM_NEON_MEMCPY
Date: Sat, 19 Mar 2016 21:14:57 +0100 [thread overview]
Message-ID: <1752293.0PmA76bAcf@xps13> (raw)
In-Reply-To: <1458417485-29436-5-git-send-email-viktorin@rehivetech.com>
2016-03-19 20:58, Jan Viktorin:
> The flag is used to enable memcpy optimizations in EAL. As it is not always
> the performance benefit, the flag allows to disable it.
Ideally the default should be to choose the best optimization.
If it is not possible, it would help to have some comments explaining
how to choose wether enabling NEON memcpy or not.
next prev parent reply other threads:[~2016-03-19 20:16 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-19 9:26 [dpdk-dev] [PATCH v2] arm: detect NEON by RTE_MACHINE_CPUFLAG_NEON flag only Jan Viktorin
2016-03-19 11:05 ` Jan Viktorin
2016-03-19 19:58 ` [dpdk-dev] [PATCH v3 0/4] " Jan Viktorin
2016-03-24 16:47 ` Thomas Monjalon
2016-03-19 19:58 ` [dpdk-dev] [PATCH v3 1/4] arm: remove CONFIG_RTE_ARCH_ARM_NEON Jan Viktorin
2016-03-19 19:58 ` [dpdk-dev] [PATCH v3 2/4] arm: detect NEON cpu feature by checking __ARM_NEON Jan Viktorin
2016-03-20 17:27 ` Jerin Jacob
2016-03-19 19:58 ` [dpdk-dev] [PATCH v3 3/4] arm: detect NEON by checking RTE_MACHINE_CPUFLAG_NEON Jan Viktorin
2016-03-19 19:58 ` [dpdk-dev] [PATCH v3 4/4] eal/arm: introduce CONFIG_RTE_ARCH_ARM_NEON_MEMCPY Jan Viktorin
2016-03-19 20:14 ` Thomas Monjalon [this message]
2016-03-20 9:41 ` Jan Viktorin
2016-03-20 9:46 ` Jan Viktorin
2016-03-20 10:33 ` Thomas Monjalon
2016-03-20 10:29 ` Thomas Monjalon
2016-03-20 17:38 ` Jerin Jacob
2016-03-21 5:42 ` Jianbo Liu
2016-03-21 12:21 ` Jan Viktorin
2016-03-21 13:24 ` Thomas Monjalon
2016-03-21 14:01 ` Jan Viktorin
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