[1/2] config/arm: update config for Neoverse N2
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Commit Message
Updated maximum number of lcores and numa nodes to support platforms
with multiple numa nodes.
Added mcpu compiler option.
Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Feifei Wang <feifei.wang2@arm.com>
---
config/arm/meson.build | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
Comments
Acked-by: Juraj Linkeš <juraj.linkes@pantheon.tech>
On Mon, May 29, 2023 at 7:58 AM Ruifeng Wang <ruifeng.wang@arm.com> wrote:
> Updated maximum number of lcores and numa nodes to support platforms
> with multiple numa nodes.
> Added mcpu compiler option.
>
> Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
> Reviewed-by: Feifei Wang <feifei.wang2@arm.com>
> ---
> config/arm/meson.build | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/config/arm/meson.build b/config/arm/meson.build
> index 5213434ca4..9e55e9f2a4 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -91,11 +91,12 @@ part_number_config_arm = {
> '0xd49': {
> 'march': 'armv8.5-a',
> 'march_features': ['sve2'],
> + 'compiler_options': ['-mcpu=neoverse-n2'],
> 'flags': [
> ['RTE_MACHINE', '"neoverse-n2"'],
> ['RTE_ARM_FEATURE_ATOMICS', true],
> - ['RTE_MAX_LCORE', 64],
> - ['RTE_MAX_NUMA_NODES', 1]
> + ['RTE_MAX_LCORE', 128],
> + ['RTE_MAX_NUMA_NODES', 2]
> ]
> }
> }
> --
> 2.25.1
>
>
29/05/2023 07:57, Ruifeng Wang:
> Updated maximum number of lcores and numa nodes to support platforms
> with multiple numa nodes.
> Added mcpu compiler option.
>
> Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
> Reviewed-by: Feifei Wang <feifei.wang2@arm.com>
Series applied, thanks.
> Updated maximum number of lcores and numa nodes to support platforms
> with multiple numa nodes.
> Added mcpu compiler option.
>
> Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
> Reviewed-by: Feifei Wang <feifei.wang2@arm.com>
> ---
> config/arm/meson.build | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/config/arm/meson.build b/config/arm/meson.build
> index 5213434ca4..9e55e9f2a4 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -91,11 +91,12 @@ part_number_config_arm = {
> '0xd49': {
> 'march': 'armv8.5-a',
> 'march_features': ['sve2'],
> + 'compiler_options': ['-mcpu=neoverse-n2'],
Hi Ruifeng,
I see the following warning when compiling with GCC 12
cc1: warning: switch '-mcpu=neoverse-n2' conflicts with '-march=armv8.5-a+sve2+crypto' switch
Removing 'armv8.5-a' from the list makes the warning go away but what's the correct march for neoverse-n2?
Armv9.0-a is not a supported march flag in GCC.
> 'flags': [
> ['RTE_MACHINE', '"neoverse-n2"'],
> ['RTE_ARM_FEATURE_ATOMICS', true],
> - ['RTE_MAX_LCORE', 64],
> - ['RTE_MAX_NUMA_NODES', 1]
> + ['RTE_MAX_LCORE', 128],
> + ['RTE_MAX_NUMA_NODES', 2]
> ]
> }
> }
> --
> 2.25.1
> -----Original Message-----
> From: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
> Sent: Wednesday, June 7, 2023 11:12 PM
> To: Ruifeng Wang <Ruifeng.Wang@arm.com>; bruce.richardson@intel.com
> Cc: dev@dpdk.org; jerinj@marvell.com; Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>;
> Feifei Wang <Feifei.Wang2@arm.com>; nd <nd@arm.com>
> Subject: RE: [EXT] [PATCH 1/2] config/arm: update config for Neoverse N2
>
> > Updated maximum number of lcores and numa nodes to support platforms
> > with multiple numa nodes.
> > Added mcpu compiler option.
> >
> > Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
> > Reviewed-by: Feifei Wang <feifei.wang2@arm.com>
> > ---
> > config/arm/meson.build | 5 +++--
> > 1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/config/arm/meson.build b/config/arm/meson.build index
> > 5213434ca4..9e55e9f2a4 100644
> > --- a/config/arm/meson.build
> > +++ b/config/arm/meson.build
> > @@ -91,11 +91,12 @@ part_number_config_arm = {
> > '0xd49': {
> > 'march': 'armv8.5-a',
> > 'march_features': ['sve2'],
> > + 'compiler_options': ['-mcpu=neoverse-n2'],
>
> Hi Ruifeng,
Hi Pavan,
> I see the following warning when compiling with GCC 12
>
> cc1: warning: switch '-mcpu=neoverse-n2' conflicts with '-march=armv8.5-a+sve2+crypto'
> switch
>
> Removing 'armv8.5-a' from the list makes the warning go away but what's the correct march
> for neoverse-n2?
> Armv9.0-a is not a supported march flag in GCC.
Thanks for pointing this out.
Neoverse-n2 is v9.0-a. The corresponding march flag in GCC is 'armv9-a' [1].
'armv8.5-a' should be removed from the list. It was used when armv9-a/neoverse-n2 is not available in compilers.
[1] https://gcc.gnu.org/onlinedocs/gcc-12.3.0/gcc/AArch64-Options.html
>
> > 'flags': [
> > ['RTE_MACHINE', '"neoverse-n2"'],
> > ['RTE_ARM_FEATURE_ATOMICS', true],
> > - ['RTE_MAX_LCORE', 64],
> > - ['RTE_MAX_NUMA_NODES', 1]
> > + ['RTE_MAX_LCORE', 128],
> > + ['RTE_MAX_NUMA_NODES', 2]
> > ]
> > }
> > }
> > --
> > 2.25.1
> -----Original Message-----
> From: Ruifeng Wang <Ruifeng.Wang@arm.com>
> Sent: Thursday, June 8, 2023 9:59 AM
> To: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>;
> bruce.richardson@intel.com
> Cc: dev@dpdk.org; Jerin Jacob Kollanukkaran <jerinj@marvell.com>;
> Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>; Feifei Wang
> <Feifei.Wang2@arm.com>; nd <nd@arm.com>; nd <nd@arm.com>
> Subject: RE: [EXT] [PATCH 1/2] config/arm: update config for Neoverse N2
>
> > -----Original Message-----
> > From: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
> > Sent: Wednesday, June 7, 2023 11:12 PM
> > To: Ruifeng Wang <Ruifeng.Wang@arm.com>; bruce.richardson@intel.com
> > Cc: dev@dpdk.org; jerinj@marvell.com; Honnappa Nagarahalli
> <Honnappa.Nagarahalli@arm.com>;
> > Feifei Wang <Feifei.Wang2@arm.com>; nd <nd@arm.com>
> > Subject: RE: [EXT] [PATCH 1/2] config/arm: update config for Neoverse N2
> >
> > > Updated maximum number of lcores and numa nodes to support
> platforms
> > > with multiple numa nodes.
> > > Added mcpu compiler option.
> > >
> > > Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
> > > Reviewed-by: Feifei Wang <feifei.wang2@arm.com>
> > > ---
> > > config/arm/meson.build | 5 +++--
> > > 1 file changed, 3 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/config/arm/meson.build b/config/arm/meson.build index
> > > 5213434ca4..9e55e9f2a4 100644
> > > --- a/config/arm/meson.build
> > > +++ b/config/arm/meson.build
> > > @@ -91,11 +91,12 @@ part_number_config_arm = {
> > > '0xd49': {
> > > 'march': 'armv8.5-a',
> > > 'march_features': ['sve2'],
> > > + 'compiler_options': ['-mcpu=neoverse-n2'],
> >
> > Hi Ruifeng,
>
> Hi Pavan,
>
> > I see the following warning when compiling with GCC 12
> >
> > cc1: warning: switch '-mcpu=neoverse-n2' conflicts with '-march=armv8.5-
> a+sve2+crypto'
> > switch
> >
> > Removing 'armv8.5-a' from the list makes the warning go away but what's
> the correct march
> > for neoverse-n2?
> > Armv9.0-a is not a supported march flag in GCC.
>
> Thanks for pointing this out.
> Neoverse-n2 is v9.0-a. The corresponding march flag in GCC is 'armv9-a' [1].
> 'armv8.5-a' should be removed from the list. It was used when armv9-
> a/neoverse-n2 is not available in compilers.
I see, should I send a fix?
>
> [1] https://urldefense.proofpoint.com/v2/url?u=https-
> 3A__gcc.gnu.org_onlinedocs_gcc-2D12.3.0_gcc_AArch64-
> 2DOptions.html&d=DwIFAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=E3SgYMjtKCM
> VsB-fmvgGV3o-
> g_fjLhk5Pupi9ijohpc&m=v0RqCjWj9zEynw7pgt6ghZX4BNI5Vnk0UxA4sYAxRr
> RtO8lLHUhKYCNTniy2Jb5L&s=tEj1y2WPKFeatDFYUFqX49tv-
> 2rG2wx0UiWklOYUvhY&e=
>
> >
> > > 'flags': [
> > > ['RTE_MACHINE', '"neoverse-n2"'],
> > > ['RTE_ARM_FEATURE_ATOMICS', true],
> > > - ['RTE_MAX_LCORE', 64],
> > > - ['RTE_MAX_NUMA_NODES', 1]
> > > + ['RTE_MAX_LCORE', 128],
> > > + ['RTE_MAX_NUMA_NODES', 2]
> > > ]
> > > }
> > > }
> > > --
> > > 2.25.1
> -----Original Message-----
> From: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
> Sent: Thursday, June 8, 2023 12:35 PM
> To: Ruifeng Wang <Ruifeng.Wang@arm.com>; bruce.richardson@intel.com
> Cc: dev@dpdk.org; jerinj@marvell.com; Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>;
> Feifei Wang <Feifei.Wang2@arm.com>; nd <nd@arm.com>; nd <nd@arm.com>
> Subject: RE: [EXT] [PATCH 1/2] config/arm: update config for Neoverse N2
>
>
>
> > -----Original Message-----
> > From: Ruifeng Wang <Ruifeng.Wang@arm.com>
> > Sent: Thursday, June 8, 2023 9:59 AM
> > To: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>;
> > bruce.richardson@intel.com
> > Cc: dev@dpdk.org; Jerin Jacob Kollanukkaran <jerinj@marvell.com>;
> > Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>; Feifei Wang
> > <Feifei.Wang2@arm.com>; nd <nd@arm.com>; nd <nd@arm.com>
> > Subject: RE: [EXT] [PATCH 1/2] config/arm: update config for Neoverse
> > N2
> >
> > > -----Original Message-----
> > > From: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
> > > Sent: Wednesday, June 7, 2023 11:12 PM
> > > To: Ruifeng Wang <Ruifeng.Wang@arm.com>; bruce.richardson@intel.com
> > > Cc: dev@dpdk.org; jerinj@marvell.com; Honnappa Nagarahalli
> > <Honnappa.Nagarahalli@arm.com>;
> > > Feifei Wang <Feifei.Wang2@arm.com>; nd <nd@arm.com>
> > > Subject: RE: [EXT] [PATCH 1/2] config/arm: update config for
> > > Neoverse N2
> > >
> > > > Updated maximum number of lcores and numa nodes to support
> > platforms
> > > > with multiple numa nodes.
> > > > Added mcpu compiler option.
> > > >
> > > > Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
> > > > Reviewed-by: Feifei Wang <feifei.wang2@arm.com>
> > > > ---
> > > > config/arm/meson.build | 5 +++--
> > > > 1 file changed, 3 insertions(+), 2 deletions(-)
> > > >
> > > > diff --git a/config/arm/meson.build b/config/arm/meson.build index
> > > > 5213434ca4..9e55e9f2a4 100644
> > > > --- a/config/arm/meson.build
> > > > +++ b/config/arm/meson.build
> > > > @@ -91,11 +91,12 @@ part_number_config_arm = {
> > > > '0xd49': {
> > > > 'march': 'armv8.5-a',
> > > > 'march_features': ['sve2'],
> > > > + 'compiler_options': ['-mcpu=neoverse-n2'],
> > >
> > > Hi Ruifeng,
> >
> > Hi Pavan,
> >
> > > I see the following warning when compiling with GCC 12
> > >
> > > cc1: warning: switch '-mcpu=neoverse-n2' conflicts with
> > > '-march=armv8.5-
> > a+sve2+crypto'
> > > switch
> > >
> > > Removing 'armv8.5-a' from the list makes the warning go away but
> > > what's
> > the correct march
> > > for neoverse-n2?
> > > Armv9.0-a is not a supported march flag in GCC.
> >
> > Thanks for pointing this out.
> > Neoverse-n2 is v9.0-a. The corresponding march flag in GCC is 'armv9-a' [1].
> > 'armv8.5-a' should be removed from the list. It was used when armv9-
> > a/neoverse-n2 is not available in compilers.
>
> I see, should I send a fix?
Sure. Please go ahead.
Thanks.
>
> >
> > [1] https://urldefense.proofpoint.com/v2/url?u=https-
> > 3A__gcc.gnu.org_onlinedocs_gcc-2D12.3.0_gcc_AArch64-
> > 2DOptions.html&d=DwIFAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=E3SgYMjtKCM
> > VsB-fmvgGV3o-
> > g_fjLhk5Pupi9ijohpc&m=v0RqCjWj9zEynw7pgt6ghZX4BNI5Vnk0UxA4sYAxRr
> > RtO8lLHUhKYCNTniy2Jb5L&s=tEj1y2WPKFeatDFYUFqX49tv-
> > 2rG2wx0UiWklOYUvhY&e=
> >
> > >
> > > > 'flags': [
> > > > ['RTE_MACHINE', '"neoverse-n2"'],
> > > > ['RTE_ARM_FEATURE_ATOMICS', true],
> > > > - ['RTE_MAX_LCORE', 64],
> > > > - ['RTE_MAX_NUMA_NODES', 1]
> > > > + ['RTE_MAX_LCORE', 128],
> > > > + ['RTE_MAX_NUMA_NODES', 2]
> > > > ]
> > > > }
> > > > }
> > > > --
> > > > 2.25.1
@@ -91,11 +91,12 @@ part_number_config_arm = {
'0xd49': {
'march': 'armv8.5-a',
'march_features': ['sve2'],
+ 'compiler_options': ['-mcpu=neoverse-n2'],
'flags': [
['RTE_MACHINE', '"neoverse-n2"'],
['RTE_ARM_FEATURE_ATOMICS', true],
- ['RTE_MAX_LCORE', 64],
- ['RTE_MAX_NUMA_NODES', 1]
+ ['RTE_MAX_LCORE', 128],
+ ['RTE_MAX_NUMA_NODES', 2]
]
}
}