[dpdk-dev] [PATCH v4 00/14] acl: introduce AVX512 classify methods

[David Marchand]

On Tue, Oct 6, 2020 at 5:08 PM Konstantin Ananyev
<konstantin.ananyev at intel.com> wrote:
>
> These patch series introduce support of AVX512 specific classify
> implementation for ACL library.
> It adds two new algorithms:
>  - RTE_ACL_CLASSIFY_AVX512X16 - can process up to 16 flows in parallel.
>    It uses 256-bit width instructions/registers only
>    (to avoid frequency level change).
>    On my SKX box test-acl shows ~15-30% improvement
>    (depending on rule-set and input burst size)
>    when switching from AVX2 to AVX512X16 classify algorithms.
>  - RTE_ACL_CLASSIFY_AVX512X32 - can process up to 32 flows in parallel.
>    It uses 512-bit width instructions/registers and provides higher
>    performance then AVX512X16, but can cause frequency level change.
>    On my SKX box test-acl shows ~50-70% improvement
>    (depending on rule-set and input burst size)
>    when switching from AVX2 to AVX512X32 classify algorithms.
>    ICX and CLX testing showed similar level of speedup.

Series applied, thanks.


-- 
David Marchand