From: Bruce Richardson <bruce.richardson@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v6 0/7] rte_hash_crc reworked to be platform-independent
Date: Tue, 24 Feb 2015 09:12:35 +0000 [thread overview]
Message-ID: <20150224091234.GA8416@bricha3-MOBL3> (raw)
In-Reply-To: <2004494.FgxmON1ogB@xps13>
On Tue, Feb 24, 2015 at 04:10:34AM +0100, Thomas Monjalon wrote:
> 2015-02-24 09:00, Yerden Zhumabekov:
> >
> > 23.02.2015 23:36, Thomas Monjalon пишет:
> > > 2015-02-19 15:21, Bruce Richardson:
> > >> Confirmed, this worked for me too.
> > >> Looking at the patches, they look good. However, one thing I think we are missing
> > >> is a unit test to verify that all our CRC implementations give the same result.
> > >> That would be useful as a sanity check of the software fallback especially. The
> > >> existing hash tests, test the hash table implementation rather than the
> > >> mathematical argorithm used to compute the hash values.
> > >>
> > >> Overall, though, software fallback for CRC is something well worthwhile having.
> > >>
> > >> Series Acked-by: Bruce Richardson <bruce.richardson@intel.com>
> > > Applied, thanks
> > >
> > > Note: running doxygen compilation helped me to find and fix a small
> > > mismatch (parameter alg was flag in comment).
> >
> > Thanks, Bruce, Thomas.
> >
> > As for yielding the same hash value, I made a test which runs every
> > CRC32 implementation across a number of randomly generated data sets.
> > Results are equal on my trial run.
> >
> > I can post a patch for test_hash.c a bit later if this kind of check
> > suffices.
>
> Yes, seems interesting. Thanks
>
+1
prev parent reply other threads:[~2015-02-24 9:12 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-03 6:05 [dpdk-dev] [PATCH 0/2] rewritten rte_hash_crc() call Yerden Zhumabekov
2014-09-03 6:05 ` [dpdk-dev] [PATCH 1/2] hash: add new rte_hash_crc_8byte call Yerden Zhumabekov
2014-09-03 6:05 ` [dpdk-dev] [PATCH 2/2] hash: rte_hash_crc uses 8- and 4-byte CRC32 intrinsics Yerden Zhumabekov
2014-11-13 17:33 ` [dpdk-dev] [PATCH 0/2] rewritten rte_hash_crc() call Thomas Monjalon
2014-11-14 0:52 ` Neil Horman
2014-11-14 7:15 ` Yerden Zhumabekov
2014-11-14 11:33 ` Neil Horman
2014-11-14 11:57 ` Yerden Zhumabekov
2014-11-14 13:53 ` Neil Horman
2014-11-14 14:33 ` Thomas Monjalon
2014-11-14 16:43 ` Yerden Zhumabekov
2014-11-14 18:41 ` Neil Horman
2014-11-15 21:45 ` Yerden Zhumabekov
2014-11-16 17:59 ` [dpdk-dev] [PATCH v2 0/4] rte_hash_crc reworked to be platform-independent Yerden Zhumabekov
2014-11-17 11:31 ` Neil Horman
2014-11-17 11:54 ` Yerden Zhumabekov
2014-11-25 17:05 ` Stephen Hemminger
2014-11-18 3:21 ` [dpdk-dev] [PATCH v3 0/5] " Yerden Zhumabekov
2014-11-18 3:21 ` [dpdk-dev] [PATCH v3 1/5] hash: add software CRC32 implementation Yerden Zhumabekov
2014-11-25 17:34 ` Stephen Hemminger
2014-11-18 3:21 ` [dpdk-dev] [PATCH v3 2/5] hash: add new rte_hash_crc_8byte call Yerden Zhumabekov
2014-11-18 3:21 ` [dpdk-dev] [PATCH v3 3/5] hash: add fallback to software CRC32 implementation Yerden Zhumabekov
2014-11-18 4:56 ` Yerden Zhumabekov
2014-11-18 13:33 ` Neil Horman
2014-11-18 13:37 ` Yerden Zhumabekov
2014-11-18 13:43 ` Thomas Monjalon
2014-11-18 3:21 ` [dpdk-dev] [PATCH v3 4/5] hash: rte_hash_crc() slices data into 8-byte pieces Yerden Zhumabekov
2014-11-18 3:25 ` [dpdk-dev] [PATCH v3 5/5] test: remove redundant compile checks Yerden Zhumabekov
2014-11-16 17:59 ` [dpdk-dev] [PATCH v2 1/4] hash: add software CRC32 implementation Yerden Zhumabekov
2014-11-16 17:59 ` [dpdk-dev] [PATCH v2 2/4] hash: add new rte_hash_crc_8byte call Yerden Zhumabekov
2014-11-16 17:59 ` [dpdk-dev] [PATCH v2 3/4] hash: add fallback to software CRC32 implementation Yerden Zhumabekov
2014-11-17 12:34 ` Ananyev, Konstantin
2014-11-17 12:41 ` Yerden Zhumabekov
2014-11-17 14:06 ` Neil Horman
2014-11-16 17:59 ` [dpdk-dev] [PATCH v2 4/4] hash: rte_hash_crc() slices data into 8-byte pieces Yerden Zhumabekov
2014-11-18 14:03 ` [dpdk-dev] [PATCH v4 0/5] rte_hash_crc reworked to be platform-independent Yerden Zhumabekov
2014-11-18 14:03 ` [dpdk-dev] [PATCH v4 1/5] hash: add software CRC32 implementation Yerden Zhumabekov
2014-11-18 14:03 ` [dpdk-dev] [PATCH v4 2/5] hash: add new rte_hash_crc_8byte call Yerden Zhumabekov
2014-11-18 14:03 ` [dpdk-dev] [PATCH v4 3/5] hash: add fallback to software CRC32 implementation Yerden Zhumabekov
2014-11-18 14:41 ` Neil Horman
2014-11-18 15:06 ` Yerden Zhumabekov
2014-11-18 16:00 ` Neil Horman
2014-11-18 16:04 ` Bruce Richardson
2014-11-18 16:08 ` Bruce Richardson
2014-11-18 16:38 ` Neil Horman
2014-11-18 17:13 ` Yerden Zhumabekov
2014-11-18 17:29 ` Wang, Shawn
2014-11-19 4:07 ` Yerden Zhumabekov
2014-11-18 17:46 ` Neil Horman
2014-11-18 17:52 ` Bruce Richardson
2014-11-18 21:36 ` Neil Horman
2014-11-19 3:51 ` Yerden Zhumabekov
2014-11-19 10:16 ` Bruce Richardson
2014-11-19 11:34 ` Neil Horman
2014-11-19 11:38 ` Bruce Richardson
2014-11-19 11:50 ` Ananyev, Konstantin
2014-11-19 11:59 ` Yerden Zhumabekov
2014-11-19 15:05 ` Neil Horman
2014-11-19 16:51 ` Ananyev, Konstantin
2014-11-19 11:35 ` Yerden Zhumabekov
2014-11-19 15:07 ` Neil Horman
2014-11-20 3:04 ` Yerden Zhumabekov
2014-11-18 17:58 ` Yerden Zhumabekov
2014-11-18 14:03 ` [dpdk-dev] [PATCH v4 4/5] hash: rte_hash_crc() slices data into 8-byte pieces Yerden Zhumabekov
2014-11-18 14:05 ` [dpdk-dev] [PATCH v4 5/5] test: remove redundant compile checks Yerden Zhumabekov
2014-11-20 5:15 ` [dpdk-dev] [PATCH v5 0/7] rte_hash_crc reworked to be platform-independent Yerden Zhumabekov
2014-11-20 5:16 ` [dpdk-dev] [PATCH v5 1/7] hash: add software CRC32 implementation Yerden Zhumabekov
2014-11-20 5:16 ` [dpdk-dev] [PATCH v5 2/7] hash: add assembly implementation of CRC32 intrinsics Yerden Zhumabekov
2014-11-20 5:16 ` [dpdk-dev] [PATCH v5 3/7] hash: replace built-in functions implementing SSE4.2 Yerden Zhumabekov
2014-11-20 5:16 ` [dpdk-dev] [PATCH v5 4/7] hash: add rte_hash_crc_8byte function Yerden Zhumabekov
2014-11-21 11:22 ` Neil Horman
2014-11-21 11:26 ` Yerden Zhumabekov
2014-11-20 5:17 ` [dpdk-dev] [PATCH v5 6/7] hash: rte_hash_crc() slices data into 8-byte pieces Yerden Zhumabekov
2014-11-20 5:17 ` [dpdk-dev] [PATCH v5 7/7] test: remove redundant compile checks Yerden Zhumabekov
2014-11-20 5:17 ` [dpdk-dev] [PATCH v5 5/7] hash: add fallback to software CRC32 implementation Yerden Zhumabekov
2014-11-27 21:04 ` [dpdk-dev] [PATCH v5 0/7] rte_hash_crc reworked to be platform-independent Thomas Monjalon
2014-11-28 3:28 ` Yerden Zhumabekov
2015-01-29 8:48 ` [dpdk-dev] [PATCH v6 " Yerden Zhumabekov
2015-01-29 8:48 ` [dpdk-dev] [PATCH v6 1/7] hash: add software CRC32 implementation Yerden Zhumabekov
2015-01-29 8:48 ` [dpdk-dev] [PATCH v6 2/7] hash: add assembly implementation of CRC32 intrinsics Yerden Zhumabekov
2015-02-02 5:15 ` Liang, Cunming
2015-02-02 5:34 ` Yerden Zhumabekov
2015-02-02 5:59 ` Liang, Cunming
2015-01-29 8:49 ` [dpdk-dev] [PATCH v6 3/7] hash: replace built-in functions implementing SSE4.2 Yerden Zhumabekov
2015-01-29 8:49 ` [dpdk-dev] [PATCH v6 4/7] hash: add rte_hash_crc_8byte function Yerden Zhumabekov
2015-01-29 8:50 ` [dpdk-dev] [PATCH v6 5/7] hash: add fallback to software CRC32 implementation Yerden Zhumabekov
2015-01-29 8:50 ` [dpdk-dev] [PATCH v6 6/7] hash: rte_hash_crc() slices data into 8-byte pieces Yerden Zhumabekov
2015-01-29 8:50 ` [dpdk-dev] [PATCH v6 7/7] test: remove redundant compile checks Yerden Zhumabekov
2015-02-01 14:13 ` [dpdk-dev] [PATCH v6 0/7] rte_hash_crc reworked to be platform-independent Neil Horman
2015-02-02 3:07 ` Yerden Zhumabekov
2015-02-02 3:31 ` Neil Horman
2015-02-02 5:18 ` [dpdk-dev] HA: " Жумабеков Ерден Мирзагулович
2015-02-02 5:39 ` [dpdk-dev] " Yerden Zhumabekov
2015-02-19 15:21 ` Bruce Richardson
2015-02-23 17:36 ` Thomas Monjalon
2015-02-24 3:00 ` Yerden Zhumabekov
2015-02-24 3:10 ` Thomas Monjalon
2015-02-24 9:12 ` Bruce Richardson [this message]
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