[AMD Official Use Only - AMD Internal Distribution Only]
> -Original Message-
> From: Bruce Richardson
> Sent: Tuesday, June 10, 2025 8:37 PM
> To: Varghese, Vipin
> Cc: dev@dpdk.org; Song, Keesang
> Subject: Re: [PATCH v4] build: reduce use of AVX compiler flags
On Tue, Jun 10, 2025 at 02:52:24PM +, Varghese, Vipin wrote:
> [Public]
>
> Snipped
>
> > >
> > > In above log I get `2 instances of march`; logs `-march=native -mrtm
> > > -DALLOW_EXPERIMENTAL_API -DALLOW_INTERNAL_API -Wno-format-
> > truncation -Wno-address-of-packed-member -
> > DRTE_LOG_D
[Public]
Snipped
> >
> > In above log I get `2 instances of march`; logs `-march=native -mrtm
> > -DALLOW_EXPERIMENTAL_API -DALLOW_INTERNAL_API -Wno-format-
> truncation -Wno-address-of-packed-member -
> DRTE_LOG_DEFAULT_LOGTYPE=pmd.net.i40e -DCC_AVX512_SUPPORT -
> march=skylake-avx512`.
> >
> >
On Tue, Jun 10, 2025 at 01:02:12PM +, Varghese, Vipin wrote:
> [Public]
>
> Hi Bruce,
>
> Snipped
>
> > > > > >
> > > > > > Hi Bruce, we have reviewed this internally and tested the same.
> > > > > > We would like
> > > > > your thought for the following.
> > > > > >
> > > > > > - Before pat
[Public]
Hi Bruce,
Snipped
> > > > >
> > > > > Hi Bruce, we have reviewed this internally and tested the same.
> > > > > We would like
> > > > your thought for the following.
> > > > >
> > > > > - Before patch: we were directly setting AVX512 falgs for F, BW,
> > > > > DQ, VL
> > > > > - new pat
gt; > > Sent: Monday, June 9, 2025 1:28 PM
> > > To: Varghese, Vipin
> > > Cc: dev@dpdk.org; Song, Keesang
> > > Subject: Re: [PATCH v4] build: reduce use of AVX compiler flags
> > >
> > > Caution: This message originated from an External Source.
dpdk.org; Song, Keesang
> > Subject: Re: [PATCH v4] build: reduce use of AVX compiler flags
> >
> > Caution: This message originated from an External Source. Use proper caution
> > when opening attachments, clicking links, or responding.
> >
> >
> >
[AMD Official Use Only - AMD Internal Distribution Only]
> -Original Message-
> From: Bruce Richardson
> Sent: Monday, June 9, 2025 1:28 PM
> To: Varghese, Vipin
> Cc: dev@dpdk.org; Song, Keesang
> Subject: Re: [PATCH v4] build: reduce use of AVX compiler flags
On Mon, Jun 09, 2025 at 06:02:02AM +, Varghese, Vipin wrote:
> [Public]
>
> Snipped
>
> >
> >
> > When doing a build for a target that already has the instruction sets for
> > AVX2/AVX512 enabled, skip emitting the AVX compiler flags, or the
> > skylake-avx512 '-march' flags, as they are unne
[Public]
Snipped
>
>
> When doing a build for a target that already has the instruction sets for
> AVX2/AVX512 enabled, skip emitting the AVX compiler flags, or the
> skylake-avx512 '-march' flags, as they are unnecessary. Instead, when the
> default
> flags produce the desired output, just use
On Thu, May 29, 2025 at 04:42:19PM +0100, Bruce Richardson wrote:
> When doing a build for a target that already has the instruction sets
> for AVX2/AVX512 enabled, skip emitting the AVX compiler flags, or the
> skylake-avx512 '-march' flags, as they are unnecessary. Instead, when
> the default fla
When doing a build for a target that already has the instruction sets
for AVX2/AVX512 enabled, skip emitting the AVX compiler flags, or the
skylake-avx512 '-march' flags, as they are unnecessary. Instead, when
the default flags produce the desired output, just use them unmodified,
and don't bother
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