From: Bruce Richardson <bruce.richardson@intel.com>
To: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH v5 06/10] hash: update jhash function with the latest available
Date: Wed, 10 Jun 2015 12:07:38 +0100 [thread overview]
Message-ID: <20150610110738.GB6924@bricha3-MOBL3> (raw)
In-Reply-To: <1432289771-12799-7-git-send-email-pablo.de.lara.guarch@intel.com>
On Fri, May 22, 2015 at 11:16:07AM +0100, Pablo de Lara wrote:
> Jenkins hash function was developed originally in 1996,
> and was integrated in first versions of DPDK.
> The function has been improved in 2006,
> achieving up to 60% better performance, compared to the original one.
>
> This patch integrates that code into the rte_jhash library.
> It also updates the precalculated hash values in the unit test,
> as the code now returns different values (expected)
>
This should be clearly called out in the release notes for 2.1. I don't expect
that too many people are relying on the specific return values from the hash
function, but just in case, we need to call this out.
/Bruce
next prev parent reply other threads:[~2015-06-10 11:07 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-16 13:26 [PATCH] hash: update jhash function with the latest available Pablo de Lara
[not found] ` <1429190819-27402-1-git-send-email-pablo.de.lara.guarch-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-04-16 14:01 ` Bruce Richardson
2015-04-17 16:03 ` De Lara Guarch, Pablo
2015-04-24 11:23 ` [PATCH v2 0/6] update jhash function Pablo de Lara
[not found] ` <1429874587-17939-1-git-send-email-pablo.de.lara.guarch-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-04-24 11:23 ` [PATCH v2 1/6] test/hash: move hash function perf tests to separate file Pablo de Lara
2015-04-24 11:23 ` [PATCH v2 2/6] test/hash: improve accuracy on cycle measurements Pablo de Lara
2015-04-24 11:23 ` [PATCH v2 3/6] hash: update jhash function with the latest available Pablo de Lara
2015-04-24 11:23 ` [PATCH v2 4/6] hash: add two new functions to jhash library Pablo de Lara
2015-04-24 11:23 ` [PATCH v2 5/6] hash: remove duplicated code Pablo de Lara
2015-04-24 11:23 ` [PATCH v2 6/6] hash: rename rte_jhash2 to rte_jhash_32b Pablo de Lara
2015-05-05 14:43 ` [PATCH v3 0/6] update jhash function Pablo de Lara
[not found] ` <1430837034-21031-1-git-send-email-pablo.de.lara.guarch-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-05-05 14:43 ` [PATCH v3 1/6] test/hash: move hash function perf tests to separate file Pablo de Lara
2015-05-05 14:43 ` [PATCH v3 2/6] test/hash: improve accuracy on cycle measurements Pablo de Lara
2015-05-05 14:43 ` [PATCH v3 3/6] hash: update jhash function with the latest available Pablo de Lara
[not found] ` <1430837034-21031-4-git-send-email-pablo.de.lara.guarch-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-05-06 0:35 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB97725821424ED1-pww93C2UFcwu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-06 9:36 ` De Lara Guarch, Pablo
[not found] ` <E115CCD9D858EF4F90C690B0DCB4D8972729A7B7-kPTMFJFq+rEMvF1YICWikbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-05-06 16:11 ` Ananyev, Konstantin
2015-05-07 11:11 ` Ananyev, Konstantin
2015-05-05 14:43 ` [PATCH v3 4/6] hash: add two new functions to jhash library Pablo de Lara
2015-05-05 14:43 ` [PATCH v3 5/6] hash: remove duplicated code Pablo de Lara
2015-05-05 14:43 ` [PATCH v3 6/6] hash: rename rte_jhash2 to rte_jhash_32b Pablo de Lara
2015-05-12 11:02 ` [PATCH v4 0/6] update jhash function Pablo de Lara
2015-05-12 11:02 ` [PATCH v4 1/6] test/hash: move hash function perf tests to separate file Pablo de Lara
2015-05-12 11:02 ` [PATCH v4 2/6] test/hash: improve accuracy on cycle measurements Pablo de Lara
2015-05-12 11:02 ` [PATCH v4 3/6] hash: update jhash function with the latest available Pablo de Lara
2015-05-12 11:02 ` [PATCH v4 4/6] hash: add two new functions to jhash library Pablo de Lara
2015-05-12 11:02 ` [PATCH v4 5/6] hash: remove duplicated code Pablo de Lara
2015-05-12 11:02 ` [PATCH v4 6/6] hash: rename rte_jhash2 to rte_jhash_32b Pablo de Lara
2015-05-12 15:33 ` [PATCH v4 0/6] update jhash function Neil Horman
2015-05-13 13:52 ` De Lara Guarch, Pablo
2015-05-13 14:20 ` Neil Horman
2015-05-18 16:14 ` Bruce Richardson
2015-05-22 10:16 ` [PATCH v5 00/10] " Pablo de Lara
2015-05-22 10:16 ` [PATCH v5 01/10] test/hash: move hash function perf tests to separate file Pablo de Lara
2015-05-22 10:16 ` [PATCH v5 02/10] test/hash: improve accuracy on cycle measurements Pablo de Lara
2015-05-22 10:16 ` [PATCH v5 03/10] test/hash: update key size range and initial values for testing Pablo de Lara
2015-05-22 10:16 ` [PATCH v5 04/10] test/hash: change order of loops in hash function tests Pablo de Lara
2015-06-10 11:05 ` Bruce Richardson
2015-05-22 10:16 ` [PATCH v5 05/10] test/hash: add new functional tests for hash functions Pablo de Lara
2015-05-22 10:16 ` [PATCH v5 06/10] hash: update jhash function with the latest available Pablo de Lara
2015-06-10 11:07 ` Bruce Richardson [this message]
2015-05-22 10:16 ` [PATCH v5 07/10] hash: add two new functions to jhash library Pablo de Lara
2015-05-22 10:16 ` [PATCH v5 08/10] hash: remove duplicated code Pablo de Lara
2015-05-22 10:16 ` [PATCH v5 09/10] hash: rename rte_jhash2 to rte_jhash_32b Pablo de Lara
2015-06-10 11:09 ` Bruce Richardson
2015-05-22 10:16 ` [PATCH v5 10/10] test/hash: verify rte_jhash_1word/2words/3words Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 00/10] update jhash function Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 01/10] test/hash: move hash function perf tests to separate file Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 02/10] test/hash: improve accuracy on cycle measurements Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 03/10] test/hash: update key size range and initial values for testing Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 04/10] test/hash: change order of loops in hash function tests Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 05/10] test/hash: add new functional tests for hash functions Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 06/10] hash: update jhash function with the latest available Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 07/10] hash: add two new functions to jhash library Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 08/10] hash: remove duplicated code Pablo de Lara
2015-06-16 9:33 ` Thomas Monjalon
2015-06-16 10:31 ` De Lara Guarch, Pablo
2015-06-16 13:08 ` Thomas Monjalon
2015-06-10 15:25 ` [PATCH v6 09/10] hash: rename rte_jhash2 to rte_jhash_32b Pablo de Lara
2015-06-10 15:25 ` [PATCH v6 10/10] test/hash: verify rte_jhash_1word/2words/3words Pablo de Lara
2015-06-12 10:37 ` [PATCH v6 00/10] update jhash function Bruce Richardson
2015-06-16 10:22 ` Thomas Monjalon
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