Re: [ovs-dev] [v10 10/12] dpif-netdev/mfex: Add AVX512 based optimized miniflow extract

[Eelco Chaudron]

On 13 Jul 2021, at 7:32, Kumar Amber wrote:

> From: Harry van Haaren <harry.van.haa...@intel.com>
>
> 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() traffic,
> and builds the appropriate miniflow data-structure for packets
> that match the probe.
>
> The implementation here is auto-validated by the miniflow
> extract autovalidator, hence its correctness can be easily
> tested and verified.
>
> Note that this commit is designed to easily allow addition of new
> traffic profiles in a scalable way, without code duplication for
> each traffic profile.
>
> Signed-off-by: Harry van Haaren <harry.van.haa...@intel.com>

See comments on v9, will review v11.

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