Re: [dpdk-dev] [PATCH v4 0/4] add new kv hash table

[Thomas Monjalon <thomas@monjalon.net>]

Waiting for reviews please.

08/05/2020 21:58, Vladimir Medvedkin:
> Currently DPDK has a special implementation of a hash table for
> 4 byte keys which is called FBK hash. Unfortunately its main drawback
> is that it only supports 2 byte values.
> The new implementation called KV hash
> supports 4 byte keys and 8 byte associated values,
> which is enough to store a pointer.
> 
> v4:
> - internal implementation is hided under universal API for any key and value sizes
> - add and delete API now return old value
> - add transaction counter modification to _add()
> - transaction counter now modifies with c11 atomics
> 
> v3:
> - added bulk lookup
> - avx512 key comparizon is removed from .h
> 
> v2:
> - renamed from rte_dwk to rte_k32v64 as was suggested
> - reworked lookup function, added inlined subroutines
> - added avx512 key comparizon routine
> - added documentation
> - added statistic counters for total entries and extended entries(linked list)
> 
> Vladimir Medvedkin (4):
>   hash: add kv hash library
>   hash: add documentation for kv hash library
>   test: add kv hash autotests
>   test: add kv perf tests