08/07/2019 18:51, Wang, Yipeng1:
>From: Thomas Monjalon [mailto:tho...@monjalon.net]
> >02/07/2019 23:16, Honnappa Nagarahalli:
> >> v2
> >> - Dropped moving the tbl_chng_cnt to the beginning of the cache line
> >>commit
> >> - Changed the commit log for patch 1 to indicate that it improves
>
>ruifeng.w...@arm.com; n...@arm.com
>Subject: Re: [dpdk-dev] [PATCH v2 0/2] lib/hash: perf improvements for
>lock-free
>
>02/07/2019 23:16, Honnappa Nagarahalli:
>> v2
>> - Dropped moving the tbl_chng_cnt to the beginning of the cache line
>>commit
>> -
05/07/2019 08:14, Honnappa Nagarahalli:
> > 02/07/2019 23:16, Honnappa Nagarahalli:
> > > v2
> > > - Dropped moving the tbl_chng_cnt to the beginning of the cache line
> > >commit
> > > - Changed the commit log for patch 1 to indicate that it improves
> > >performance (Yipeng)
> > > - Ch
> 02/07/2019 23:16, Honnappa Nagarahalli:
> > v2
> > - Dropped moving the tbl_chng_cnt to the beginning of the cache line
> >commit
> > - Changed the commit log for patch 1 to indicate that it improves
> >performance (Yipeng)
> > - Changed the comment in the search_one_bucket_lf function
> [Snip]
>
> > The first patch in this series moves the signature comparison before
> > the load- acquire of the key_index. This does not result in any issues
> > because of the full key comparison which is done after the load-acquire of
> the key_index.
> > Performance improvements:
> > Lookup Hi
02/07/2019 23:16, Honnappa Nagarahalli:
> v2
> - Dropped moving the tbl_chng_cnt to the beginning of the cache line
>commit
> - Changed the commit log for patch 1 to indicate that it improves
>performance (Yipeng)
> - Changed the comment in the search_one_bucket_lf function (Yipeng)
> -
..@arm.com; ruifeng.w...@arm.com; dev@dpdk.org;
> n...@arm.com
> Subject: [dpdk-dev] [PATCH v2 0/2] lib/hash: perf improvements for lock-
> free
[Snip]
> The first patch in this series moves the signature comparison before the load-
> acquire of the key_index. This does not result
While using the rte_hash library, there are 2 sets of stores that
happen.
1) The application writes its data to memory (whose address
is provided in rte_hash_add_key_with_hash_data API (or NULL))
2) The rte_hash library writes to its own internal data structures;
key store entry and the hash table
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