From: Ruifeng Wang <Ruifeng.Wang@arm.com>
To: David Marchand <david.marchand@redhat.com>,
Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
Cc: dev <dev@dpdk.org>,
Vladimir Medvedkin <vladimir.medvedkin@intel.com>,
Pavan Nikhilesh <pbhagavatula@marvell.com>,
"jerinj@marvell.com" <jerinj@marvell.com>,
"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
nd <nd@arm.com>, nd <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH v3 0/5] lpm lookup with sve support
Date: Fri, 15 Jan 2021 07:02:01 +0000 [thread overview]
Message-ID: <VI1PR0802MB2351DE8974BADB186290B2019EA70@VI1PR0802MB2351.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <CAJFAV8ywp0qA7qg7cGAhb1ULY72AwjZM6foDBej4roYNE8Oy5Q@mail.gmail.com>
> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Thursday, January 14, 2021 11:40 PM
> To: Ruifeng Wang <Ruifeng.Wang@arm.com>; Honnappa Nagarahalli
> <Honnappa.Nagarahalli@arm.com>
> Cc: dev <dev@dpdk.org>; Vladimir Medvedkin
> <vladimir.medvedkin@intel.com>; Pavan Nikhilesh
> <pbhagavatula@marvell.com>; jerinj@marvell.com;
> hemant.agrawal@nxp.com; nd <nd@arm.com>
> Subject: Re: [dpdk-dev] [PATCH v3 0/5] lpm lookup with sve support
>
> On Thu, Jan 14, 2021 at 4:18 PM David Marchand
> <david.marchand@redhat.com> wrote:
> >
> > Ruifeng, Honnappa,
> >
> > On Tue, Jan 12, 2021 at 3:57 AM Ruifeng Wang <ruifeng.wang@arm.com>
> wrote:
> > >
> > > Added lpm4 lookupx4 implementation by using Arm SVE extension.
> > > The SVE is Scalable Vector Extension which is exposed to the user
> > > with a vector length agnostic interface.
> > > Refer to [1] for more information about SVE.
> > >
> > > Configuration was added for Neoverse N2 CPU which has SVE support.
> > >
> > > Some bugs were fixed so compiling with sve enabled can pass.
> > >
> > > [1]
> > > https://developer.arm.com/tools-and-software/server-and-
> hpc/compile/
> > > arm-instruction-emulator/resources/tutorials/sve
> >
> > Can you point at a toolchain that supports SVE without having to
> > register to some commercial spamming system? :-) The only
> > aarch64-linux-gnu- toolchain I found on the ARM website is a 8.x gcc
> > that does not seem to support SVE.
>
> I tested this using
> https://developer.arm.com/-/media/Files/downloads/gnu-a/10.2-
> 2020.11/binrel/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu.tar.xz
Yes, gcc-10 has SVE support. Arm cross compilers available at:
https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads
> But I had to modify the cross compile prefix in
> config/arm/arm64_n2_linux_gcc (adding a none_).
> I am still interested in a toolchain that works out of the box.
I think on Ubuntu, it will work out of the box after installing package gcc-10-aarch64-linux-gnu.
>
> Series applied, thanks.
Thank you.
>
>
> --
> David Marchand
prev parent reply other threads:[~2021-01-15 7:02 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-18 10:12 [dpdk-dev] [RFC PATCH] lpm: add sve support for lookup on Arm platform Ruifeng Wang
2021-01-05 15:44 ` Medvedkin, Vladimir
2021-01-06 10:11 ` Ruifeng Wang
2021-01-08 8:25 ` [dpdk-dev] [PATCH v2 0/5] lpm lookup with sve support Ruifeng Wang
2021-01-08 8:25 ` [dpdk-dev] [PATCH v2 1/5] lpm: add sve support for lookup on Arm platform Ruifeng Wang
2021-01-13 18:54 ` Medvedkin, Vladimir
2021-01-08 8:25 ` [dpdk-dev] [PATCH v2 2/5] net/hns3: fix build with sve enabled Ruifeng Wang
2021-01-09 0:06 ` Honnappa Nagarahalli
2021-01-09 2:11 ` oulijun
2021-01-11 2:39 ` Ruifeng Wang
2021-01-11 13:38 ` Honnappa Nagarahalli
2021-01-09 2:15 ` oulijun
2021-01-11 2:27 ` Ruifeng Wang
2021-01-08 8:25 ` [dpdk-dev] [PATCH v2 3/5] net/octeontx: " Ruifeng Wang
2021-01-08 8:25 ` [dpdk-dev] [PATCH v2 4/5] common/octeontx2: " Ruifeng Wang
2021-01-08 10:29 ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula
2021-01-11 9:51 ` Ruifeng Wang
2021-01-08 8:25 ` [dpdk-dev] [PATCH v2 5/5] config: add Arm Neoverse N2 Ruifeng Wang
2021-01-08 23:58 ` Honnappa Nagarahalli
2021-01-11 3:01 ` Ruifeng Wang
2021-01-11 3:09 ` Jerin Jacob
2021-01-11 8:32 ` Ruifeng Wang
2021-01-11 13:58 ` Honnappa Nagarahalli
2021-01-12 2:57 ` [dpdk-dev] [PATCH v3 0/5] lpm lookup with sve support Ruifeng Wang
2021-01-12 2:57 ` [dpdk-dev] [PATCH v3 1/5] lpm: add sve support for lookup on Arm platform Ruifeng Wang
2021-01-13 15:58 ` David Marchand
2021-01-27 13:04 ` David Marchand
2021-01-27 21:03 ` Honnappa Nagarahalli
2021-01-28 8:03 ` David Marchand
2021-01-28 12:24 ` Honnappa Nagarahalli
2021-01-28 5:47 ` Ruifeng Wang
2021-01-12 2:57 ` [dpdk-dev] [PATCH v3 2/5] net/hns3: fix build with sve enabled Ruifeng Wang
2021-01-13 2:16 ` Honnappa Nagarahalli
2021-01-12 2:57 ` [dpdk-dev] [PATCH v3 3/5] net/octeontx: " Ruifeng Wang
2021-01-12 4:39 ` Jerin Jacob
2021-01-12 2:57 ` [dpdk-dev] [PATCH v3 4/5] common/octeontx2: " Ruifeng Wang
2021-01-12 4:38 ` Jerin Jacob
2021-01-12 2:57 ` [dpdk-dev] [PATCH v3 5/5] config: add Arm Neoverse N2 Ruifeng Wang
2021-01-12 4:44 ` Jerin Jacob
2021-01-13 2:08 ` Honnappa Nagarahalli
2021-01-14 15:18 ` [dpdk-dev] [PATCH v3 0/5] lpm lookup with sve support David Marchand
2021-01-14 15:40 ` David Marchand
2021-01-15 7:02 ` Ruifeng Wang [this message]
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