From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com> To: "Richardson, Bruce" <bruce.richardson@intel.com>, "Medvedkin, Vladimir" <vladimir.medvedkin@intel.com> Cc: "dev@dpdk.org" <dev@dpdk.org>, "jerinj@marvell.com" <jerinj@marvell.com>, "ruifeng.wang@arm.com" <ruifeng.wang@arm.com> Subject: Re: [dpdk-dev] [PATCH v2 07/12] acl: add infrastructure to support AVX512 classify Date: Wed, 16 Sep 2020 10:06:40 +0000 Message-ID: <BYAPR11MB33014F06C442A07376BFFF249A210@BYAPR11MB3301.namprd11.prod.outlook.com> (raw) In-Reply-To: <20200916094900.GB1849@bricha3-MOBL.ger.corp.intel.com> > On Wed, Sep 16, 2020 at 10:36:32AM +0100, Medvedkin, Vladimir wrote: > > Hi Bruce, > > > > On 16/09/2020 10:11, Bruce Richardson wrote: > > > On Tue, Sep 15, 2020 at 05:50:20PM +0100, Konstantin Ananyev wrote: > > > > Add necessary changes to support new AVX512 specific ACL classify > > > > algorithm: > > > > - changes in meson.build to check that build tools > > > > (compiler, assembler, etc.) do properly support AVX512. > > > > - run-time checks to make sure target platform does support AVX512. > > > > - dummy rte_acl_classify_avx512() for targets where AVX512 > > > > implementation couldn't be properly supported. > > > > > > > > Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com> > > > > --- > > > > > > This all looks correct, though I wonder do you really need to check all > > > those AVX512 flags in each case? Since "F" is always present in any AVX512 > > > implementation perhaps it can be checked, though if the other three always > > > need to be checked I can understand if you want to keep it there for > > > completeness. [Are all the other 3 used in your code?] Yep, ACL uses all of them. Thanks Konstantin > > > > > > > As for me it is good to check all the flags supported by compiler. Some old > > (but still supported by dpdk) gcc can't compile the code in some > > circumstances. For example: > > > > gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12) <-- pretty old > > but still supported, right? > > > > gcc -march=native -dM -E - < /dev/null | grep "AVX512" > > #define __AVX512F__ 1 > > #define __AVX512BW__ 1 > > #define __AVX512CD__ 1 > > #define __AVX512DQ__ 1 > > > > Does not support __AVX512VL__ > > > Interesting, seems like checking them all to be sure is the right approach > so. > My ack stands so, and ignore the comment.
next prev parent reply other threads:[~2020-09-16 10:06 UTC|newest] Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-07 16:28 [dpdk-dev] [PATCH 20.11 0/7] acl: introduce AVX512 classify method Konstantin Ananyev 2020-08-07 16:28 ` [dpdk-dev] [PATCH 20.11 1/7] acl: fix x86 build when compiler doesn't support AVX2 Konstantin Ananyev 2020-08-07 16:28 ` [dpdk-dev] [PATCH 20.11 2/7] app/acl: few small improvements Konstantin Ananyev 2020-08-07 16:28 ` [dpdk-dev] [PATCH 20.11 3/7] acl: remove of unused enum value Konstantin Ananyev 2020-08-07 16:28 ` [dpdk-dev] [PATCH 20.11 4/7] acl: add infrastructure to support AVX512 classify Konstantin Ananyev 2020-08-07 16:28 ` [dpdk-dev] [PATCH 20.11 5/7] app/acl: add AVX512 classify support Konstantin Ananyev 2020-08-07 16:28 ` [dpdk-dev] [PATCH 20.11 6/7] acl: introduce AVX512 classify implementation Konstantin Ananyev 2020-08-07 16:28 ` [dpdk-dev] [PATCH 20.11 7/7] acl: enhance " Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 00/12] acl: introduce AVX512 classify method Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 01/12] acl: fix x86 build when compiler doesn't support AVX2 Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 02/12] doc: fix mixing classify methods in ACL guide Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 03/12] acl: remove of unused enum value Konstantin Ananyev 2020-09-27 3:27 ` Ruifeng Wang 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 04/12] acl: remove library constructor Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 05/12] app/acl: few small improvements Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 06/12] test/acl: expand classify test coverage Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 07/12] acl: add infrastructure to support AVX512 classify Konstantin Ananyev 2020-09-16 9:11 ` Bruce Richardson 2020-09-16 9:36 ` Medvedkin, Vladimir 2020-09-16 9:49 ` Bruce Richardson 2020-09-16 10:06 ` Ananyev, Konstantin [this message] 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 08/12] acl: introduce AVX512 classify implementation Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 09/12] acl: enhance " Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 10/12] acl: for AVX512 classify use 4B load whenever possible Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 11/12] test/acl: add AVX512 classify support Konstantin Ananyev 2020-09-15 16:50 ` [dpdk-dev] [PATCH v2 12/12] app/acl: " Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 00/14] acl: introduce AVX512 classify methods Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 01/14] acl: fix x86 build when compiler doesn't support AVX2 Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 02/14] doc: fix missing classify methods in ACL guide Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 03/14] acl: remove of unused enum value Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 04/14] acl: remove library constructor Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 05/14] app/acl: few small improvements Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 06/14] test/acl: expand classify test coverage Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 07/14] acl: add infrastructure to support AVX512 classify Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 08/14] acl: introduce 256-bit width AVX512 classify implementation Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 09/14] acl: update default classify algorithm selection Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 10/14] acl: introduce 512-bit width AVX512 classify implementation Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 11/14] acl: for AVX512 classify use 4B load whenever possible Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 12/14] acl: deduplicate AVX512 code paths Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 13/14] test/acl: add AVX512 classify support Konstantin Ananyev 2020-10-05 18:45 ` [dpdk-dev] [PATCH v3 14/14] app/acl: " Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 00/14] acl: introduce AVX512 classify methods Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 01/14] acl: fix x86 build when compiler doesn't support AVX2 Konstantin Ananyev 2020-10-08 13:42 ` [dpdk-dev] [dpdk-stable] " David Marchand 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 02/14] doc: fix missing classify methods in ACL guide Konstantin Ananyev 2020-10-08 13:42 ` David Marchand 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 03/14] acl: remove of unused enum value Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 04/14] acl: remove library constructor Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 05/14] app/acl: few small improvements Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 06/14] test/acl: expand classify test coverage Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 07/14] acl: add infrastructure to support AVX512 classify Konstantin Ananyev 2020-10-13 19:17 ` David Marchand 2020-10-13 22:26 ` Ananyev, Konstantin 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 08/14] acl: introduce 256-bit width AVX512 classify implementation Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 09/14] acl: update default classify algorithm selection Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 10/14] acl: introduce 512-bit width AVX512 classify implementation Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 11/14] acl: for AVX512 classify use 4B load whenever possible Konstantin Ananyev 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 12/14] acl: deduplicate AVX512 code paths Konstantin Ananyev 2020-10-16 15:56 ` Ferruh Yigit 2020-10-16 16:20 ` Thomas Monjalon 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 13/14] test/acl: add AVX512 classify support Konstantin Ananyev 2020-10-14 10:26 ` David Marchand 2020-10-14 10:32 ` Ananyev, Konstantin 2020-10-14 10:35 ` David Marchand 2020-10-06 15:03 ` [dpdk-dev] [PATCH v4 14/14] app/acl: " Konstantin Ananyev 2020-10-14 12:40 ` [dpdk-dev] [PATCH v4 00/14] acl: introduce AVX512 classify methods David Marchand 2020-10-06 15:05 ` [dpdk-dev] [PATCH v3 " David Marchand 2020-10-06 16:07 ` Ananyev, Konstantin 2020-10-08 10:49 ` David Marchand 2020-10-14 9:23 ` Kinsella, Ray
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=BYAPR11MB33014F06C442A07376BFFF249A210@BYAPR11MB3301.namprd11.prod.outlook.com \ --to=konstantin.ananyev@intel.com \ --cc=bruce.richardson@intel.com \ --cc=dev@dpdk.org \ --cc=jerinj@marvell.com \ --cc=ruifeng.wang@arm.com \ --cc=vladimir.medvedkin@intel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
DPDK patches and discussions This inbox may be cloned and mirrored by anyone: git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git # If you have public-inbox 1.1+ installed, you may # initialize and index your mirror using the following commands: public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \ dev@dpdk.org public-inbox-index dev Example config snippet for mirrors. Newsgroup available over NNTP: nntp://inbox.dpdk.org/inbox.dpdk.dev AGPL code for this site: git clone https://public-inbox.org/public-inbox.git