On 1 Jul 2021, at 15:26, Flavio Leitner wrote:
Yes, these are the standard gcc/clang etc compiler -m switches.
Search for "-mavx512bw" on e.g. this GCC page, lists them all;
https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
If a compiler does not understand
vn.org; Flavio Leitner ; Stokes, Ian
> >
> > Subject: Re: [ovs-dev] [v4 10/12] dpif-netdev/mfex: Add AVX512 based
> > optimized
> > miniflow extract
> >
> >
> >
> > On 30 Jun 2021, at 15:30, Van Haaren, Harry wrote:
> >
> > >>
Harry
> >>
> >> Cc: d...@openvswitch.org; i.maxim...@ovn.org; Flavio Leitner
> ;
> >> Stokes, Ian
> >> Subject: Re: [ovs-dev] [v4 10/12] dpif-netdev/mfex: Add AVX512 based
> >> optimized
> >> miniflow extract
> >>
> >> Thi
>> ;
>> Stokes, Ian
>> Subject: Re: [ovs-dev] [v4 10/12] dpif-netdev/mfex: Add AVX512 based
>> optimized
>> miniflow extract
>>
>> This patch was an interesting patch to review and being reminded about
>> endianness,
>> and thi
> -Original Message-
> From: Eelco Chaudron
> Sent: Wednesday, June 30, 2021 2:12 PM
> To: Amber, Kumar ; Van Haaren, Harry
>
> Cc: d...@openvswitch.org; i.maxim...@ovn.org; Flavio Leitner
> ;
> Stokes, Ian
> Subject: Re: [ovs-dev] [v4 10/12] dpif-ne
This patch was an interesting patch to review and being reminded about
endianness, and this site,
https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_maskz_permutexvar_epi8=4315,
got me through it ;)
Some comments below...
//Eelco
On 17 Jun 2021, at 18:27, Kumar Amber
Hi Ian,
Pls find my replies inline and Thanks again for review.
BR
Amber
> -Original Message-
> From: Stokes, Ian
> Sent: Tuesday, June 29, 2021 10:11 PM
> To: Amber, Kumar ; d...@openvswitch.org
> Cc: i.maxim...@ovn.org
> Subject: RE: [ovs-dev] [v4 10/12] dpif-netde
> From: Harry van Haaren
>
> This commit adds AVX512 implementations of miniflow extract.
> By using the 64 bytes available in an AVX512 register, it is
> possible to convert a packet to a miniflow data-structure in
> a small quantity instructions.
>
> The implementation here probes for
Hi Flavio,
Pls find my replies inline.
> -Original Message-
> From: Flavio Leitner
> Sent: Tuesday, June 29, 2021 6:50 PM
> To: Amber, Kumar
> Cc: d...@openvswitch.org; i.maxim...@ovn.org
> Subject: Re: [ovs-dev] [v4 10/12] dpif-netdev/mfex: Add AVX512 based
&g
Hi,
On Thu, Jun 17, 2021 at 09:57:52PM +0530, Kumar Amber wrote:
> From: Harry van Haaren
>
> This commit adds AVX512 implementations of miniflow extract.
> By using the 64 bytes available in an AVX512 register, it is
> possible to convert a packet to a miniflow data-structure in
> a small
From: Harry van Haaren
This commit adds AVX512 implementations of miniflow extract.
By using the 64 bytes available in an AVX512 register, it is
possible to convert a packet to a miniflow data-structure in
a small quantity instructions.
The implementation here probes for Ether()/IP()/UDP()
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