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From: Bruce Richardson <bruce.richardson@intel.com>
To: David Marchand <david.marchand@redhat.com>
Cc: "Rong, Leyi" <leyi.rong@intel.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	"Yigit, Ferruh" <ferruh.yigit@intel.com>,
	"Lu, Wenzhuo" <wenzhuo.lu@intel.com>, dev <dev@dpdk.org>,
	Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [dpdk-dev] [PATCH v4 1/3] net/ice: add AVX512 vector path
Date: Tue, 27 Oct 2020 10:19:08 +0000	[thread overview]
Message-ID: <20201027101908.GA936@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <CAJFAV8yM9Y94oQzX1oA-tOyRbUdfzYn28fPvxu+75L0yD8ua9g@mail.gmail.com>

On Mon, Oct 26, 2020 at 09:09:31AM +0100, David Marchand wrote:
> On Mon, Oct 26, 2020 at 8:13 AM Rong, Leyi <leyi.rong@intel.com> wrote:
> > Would prefer using __AVX512F__ instead of RTE_MACHINE_CPUFLAG_AVX512F here rather than remove the RTE_MACHINE_CPUFLAG_ macro directly to check the CPU capability.
> > So the judgment statement will be
> > if cc.get_define('__AVX512F__', args: machine_args) != '' or (not machine_args.contains('-mno-avx512f') and cc.has_argument('-mavx512f'))
> >
> > what do you think?
> 
> No opinion as I have yet to understand the subtleties to control
> enablement of avx stuff.
> Bruce?
> 
The above proposal is correct, in that we now check the compiler flags
directly rather than using our own custom flags.

/Bruce

  reply	other threads:[~2020-10-27 10:19 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10  6:55 [dpdk-dev] [PATCH v1 0/2] AVX512 vPMD on ice Leyi Rong
2020-09-10  6:55 ` [dpdk-dev] [PATCH v1 1/2] net/ice: add AVX512 vector path Leyi Rong
2020-09-10  9:32   ` Bruce Richardson
2020-09-10  6:55 ` [dpdk-dev] [PATCH v1 2/2] net/ice: optimize Tx path on AVX512 vPMD Leyi Rong
2020-09-15  1:17   ` Wang, Haiyue
2020-09-18  3:35 ` [dpdk-dev] [PATCH v2 0/3] AVX512 vPMD on ice Leyi Rong
2020-09-18  3:35   ` [dpdk-dev] [PATCH v2 1/3] net/ice: add AVX512 vector path Leyi Rong
2020-09-18  3:35   ` [dpdk-dev] [PATCH v2 2/3] net/ice: add RSS hash parsing in AVX512 path Leyi Rong
2020-09-18  3:35   ` [dpdk-dev] [PATCH v2 3/3] net/ice: optimize Tx path on AVX512 vPMD Leyi Rong
2020-10-20 10:51 ` [dpdk-dev] [PATCH v3 0/3] AVX512 vPMD on ice Leyi Rong
2020-10-20 10:51   ` [dpdk-dev] [PATCH v3 1/3] net/ice: add AVX512 vector path Leyi Rong
2020-10-20 10:51   ` [dpdk-dev] [PATCH v3 2/3] net/ice: add RSS hash parsing in AVX512 path Leyi Rong
2020-10-20 10:51   ` [dpdk-dev] [PATCH v3 3/3] net/ice: optimize Tx path on AVX512 vPMD Leyi Rong
2020-10-23  4:14 ` [dpdk-dev] [PATCH v4 0/3] AVX512 vPMD on ice Leyi Rong
2020-10-23  4:14   ` [dpdk-dev] [PATCH v4 1/3] net/ice: add AVX512 vector path Leyi Rong
2020-10-25 16:23     ` David Marchand
2020-10-26  7:12       ` Rong, Leyi
2020-10-26  8:09         ` David Marchand
2020-10-27 10:19           ` Bruce Richardson [this message]
2020-10-27 10:22         ` Ferruh Yigit
2020-10-27  8:32     ` Ali Alnubani
2020-10-27  8:42       ` Ali Alnubani
2020-10-23  4:14   ` [dpdk-dev] [PATCH v4 2/3] net/ice: add RSS hash parsing in AVX512 path Leyi Rong
2020-10-23  4:14   ` [dpdk-dev] [PATCH v4 3/3] net/ice: optimize Tx path on AVX512 vPMD Leyi Rong
2020-10-23  9:39   ` [dpdk-dev] [PATCH v4 0/3] AVX512 vPMD on ice Zhang, Qi Z

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