From: "Phil Yang (Arm Technology China)" <Phil.Yang@arm.com>
To: "Eads, Gage" <gage.eads@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "thomas@monjalon.net" <thomas@monjalon.net>,
"jerinj@marvell.com" <jerinj@marvell.com>,
"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
"Gavin Hu (Arm Technology China)" <Gavin.Hu@arm.com>,
nd <nd@arm.com>, nd <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH v2 2/3] test/atomic: add 128b compare and swap test
Date: Mon, 24 Jun 2019 15:29:07 +0000 [thread overview]
Message-ID: <VE1PR08MB464074092D5D9AF90D46F02DE9E00@VE1PR08MB4640.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <9184057F7FC11744A2107296B6B8EB1E68D00EA3@FMSMSX108.amr.corp.intel.com>
> -----Original Message-----
> From: Eads, Gage <gage.eads@intel.com>
> Sent: Monday, June 24, 2019 11:10 PM
> To: Phil Yang (Arm Technology China) <Phil.Yang@arm.com>; dev@dpdk.org
> Cc: thomas@monjalon.net; jerinj@marvell.com; hemant.agrawal@nxp.com;
> Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>; Gavin Hu (Arm
> Technology China) <Gavin.Hu@arm.com>; nd <nd@arm.com>
> Subject: RE: [PATCH v2 2/3] test/atomic: add 128b compare and swap test
>
> Hi Phil,
>
> Looks good overall, just a few documentation issues.
>
> <snip>
>
> > + *
> > + * - Test "128b compare and swap" (aarch64 and x86_64 only)
> > + *
> > + * - Initialize 128-bit atomic variables to zero.
> > + *
> > + * - Invoke ``test_atomici128_cmp_exchange()`` on each lcore. Before
> > doing
> > + * anything else, the cores are waiting a synchro. Each lcore does
> > + * these compare and swap (CAS) operations several times::
> > + *
> > + * Relaxed CAS update counter.val[0] + 2; counter.val[0] + 1;
> > + * Acquired CAS update counter.val[0] + 2; counter.val[0] + 1;
> > + * Released CAS update counter.val[0] + 2; counter.val[0] + 1;
> > + * Acquired_Released CAS update counter.val[0] + 2; counter.val[0] + 1;
>
Hi Gage,
> The array index in "counter.val[0] + 1", is incorrect, I believe.
Yes, you are correct. I will fix it. It should be 'counter.val[2] + 1'.
>
> Just a nitpick, but "Relaxed CAS update" can go last to match the order in the
> code.
Sure. Thank you for your correction.
>
> <snip>
>
> > +#if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_ARM64)
> > +/*
> > + * rte_atomic128_cmp_exchange() should update a 128 bits counter's
> > +first 64
> > + * bits by 2 and the second 64 bits by 1 in this test. It should
> > +return true
> > + * if the compare exchange operation successful.
>
> "operation successful" -> "operation is successful"
Yes.
>
> > + * This test repeat 128 bits compare and swap operations 10K rounds.
> > +In each
>
> "repeat" -> "repeats"
Yes.
>
> Thanks,
> Gage
Thanks,
Phil
next prev parent reply other threads:[~2019-06-24 15:29 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-23 2:41 [dpdk-dev] [PATCH v1 1/3] eal/arm64: add 128-bit atomic compare exchange Phil Yang
2019-06-23 2:41 ` [dpdk-dev] [PATCH v1 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-06-23 2:41 ` [dpdk-dev] [PATCH v1 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-06-23 3:15 ` [dpdk-dev] [PATCH v2 1/3] eal/arm64: add 128-bit atomic compare exchange Phil Yang
2019-06-23 3:15 ` [dpdk-dev] [PATCH v2 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-06-24 15:09 ` Eads, Gage
2019-06-24 15:29 ` Phil Yang (Arm Technology China) [this message]
2019-06-23 3:15 ` [dpdk-dev] [PATCH v2 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-06-24 15:15 ` Eads, Gage
2019-06-24 15:22 ` Phil Yang (Arm Technology China)
2019-06-24 14:46 ` [dpdk-dev] [PATCH v2 1/3] eal/arm64: add 128-bit atomic compare exchange Eads, Gage
2019-06-24 15:35 ` Phil Yang (Arm Technology China)
2019-06-28 8:11 ` [dpdk-dev] [PATCH v3 " Phil Yang
2019-06-28 8:11 ` [dpdk-dev] [PATCH v3 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-06-29 0:17 ` Eads, Gage
2019-07-19 4:03 ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-06-28 8:11 ` [dpdk-dev] [PATCH v3 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-06-29 0:18 ` Eads, Gage
2019-07-19 4:18 ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-07-19 4:42 ` Eads, Gage
2019-07-19 5:02 ` Jerin Jacob Kollanukkaran
2019-07-19 5:15 ` Phil Yang (Arm Technology China)
2019-07-03 12:25 ` [dpdk-dev] [EXT] [PATCH v3 1/3] eal/arm64: add 128-bit atomic compare exchange Jerin Jacob Kollanukkaran
2019-07-03 13:07 ` Jerin Jacob Kollanukkaran
2019-07-05 4:20 ` Honnappa Nagarahalli
2019-07-05 4:37 ` Pavan Nikhilesh Bhagavatula
2019-07-09 9:27 ` Phil Yang (Arm Technology China)
2019-07-09 11:14 ` Jerin Jacob Kollanukkaran
2019-07-19 6:24 ` Jerin Jacob Kollanukkaran
2019-07-19 11:01 ` Phil Yang (Arm Technology China)
2019-07-19 12:35 ` Jerin Jacob Kollanukkaran
2019-07-19 13:56 ` Phil Yang (Arm Technology China)
2019-07-19 14:50 ` Eads, Gage
2019-07-22 8:44 ` [dpdk-dev] [PATCH v4 " Phil Yang
2019-07-22 8:44 ` [dpdk-dev] [PATCH v4 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-07-22 8:44 ` [dpdk-dev] [PATCH v4 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-07-22 10:22 ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-07-22 11:51 ` Phil Yang (Arm Technology China)
2019-07-22 10:20 ` [dpdk-dev] [EXT] [PATCH v4 1/3] eal/arm64: add 128-bit atomic compare exchange Jerin Jacob Kollanukkaran
2019-07-22 11:50 ` Phil Yang (Arm Technology China)
2019-07-22 13:06 ` [dpdk-dev] [PATCH v5 " Phil Yang
2019-07-22 13:06 ` [dpdk-dev] [PATCH v5 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-07-22 13:06 ` [dpdk-dev] [PATCH v5 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-07-22 14:14 ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-07-22 15:19 ` Phil Yang (Arm Technology China)
2019-07-22 14:34 ` [dpdk-dev] " Eads, Gage
2019-07-22 14:43 ` Phil Yang (Arm Technology China)
2019-07-22 14:19 ` [dpdk-dev] [EXT] [PATCH v5 1/3] eal/arm64: add 128-bit atomic compare exchange Jerin Jacob Kollanukkaran
2019-07-22 16:23 ` Phil Yang (Arm Technology China)
2019-07-22 16:22 ` [dpdk-dev] [PATCH v6 " Phil Yang
2019-07-22 16:22 ` [dpdk-dev] [PATCH v6 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-07-22 16:22 ` [dpdk-dev] [PATCH v6 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-07-22 16:59 ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-07-22 16:57 ` [dpdk-dev] [EXT] [PATCH v6 1/3] eal/arm64: add 128-bit atomic compare exchange Jerin Jacob Kollanukkaran
2019-07-23 3:28 ` Phil Yang (Arm Technology China)
2019-07-23 7:09 ` Jerin Jacob Kollanukkaran
2019-07-23 7:53 ` Phil Yang (Arm Technology China)
2019-07-23 5:57 ` [dpdk-dev] [PATCH v7 " Phil Yang
2019-07-23 5:57 ` [dpdk-dev] [PATCH v7 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-07-23 5:57 ` [dpdk-dev] [PATCH v7 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-07-23 7:05 ` [dpdk-dev] [PATCH v8 1/3] eal/arm64: add 128-bit atomic compare exchange jerinj
2019-07-23 7:05 ` [dpdk-dev] [PATCH v8 2/3] test/atomic: add 128b compare and swap test jerinj
2019-07-23 7:05 ` [dpdk-dev] [PATCH v8 3/3] eal/stack: enable lock-free stack for aarch64 jerinj
2019-08-14 8:27 ` [dpdk-dev] [PATCH v9 1/3] eal/arm64: add 128-bit atomic compare exchange Phil Yang
2019-08-14 8:27 ` [dpdk-dev] [PATCH v9 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-10-14 15:45 ` David Marchand
2019-10-15 11:32 ` Phil Yang (Arm Technology China)
2019-08-14 8:27 ` [dpdk-dev] [PATCH v9 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-10-14 15:45 ` David Marchand
2019-10-15 11:32 ` Phil Yang (Arm Technology China)
2019-10-14 15:43 ` [dpdk-dev] [PATCH v9 1/3] eal/arm64: add 128-bit atomic compare exchange David Marchand
2019-10-15 11:32 ` Phil Yang (Arm Technology China)
2019-10-15 12:16 ` David Marchand
2019-10-16 9:04 ` Phil Yang (Arm Technology China)
2019-10-17 12:45 ` David Marchand
2019-10-15 11:38 ` [dpdk-dev] [PATCH v10 " Phil Yang
2019-10-15 11:38 ` [dpdk-dev] [PATCH v10 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-10-15 11:38 ` [dpdk-dev] [PATCH v10 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-10-18 11:21 ` [dpdk-dev] [PATCH v11 1/3] eal/arm64: add 128-bit atomic compare exchange Phil Yang
2019-10-18 11:21 ` [dpdk-dev] [PATCH v11 2/3] test/atomic: add 128b compare and swap test Phil Yang
2019-10-21 8:25 ` David Marchand
2019-10-18 11:21 ` [dpdk-dev] [PATCH v11 3/3] eal/stack: enable lock-free stack for aarch64 Phil Yang
2019-10-21 8:26 ` David Marchand
2019-10-18 14:16 ` [dpdk-dev] [PATCH v11 1/3] eal/arm64: add 128-bit atomic compare exchange David Marchand
2019-10-18 14:24 ` Jerin Jacob
2019-10-18 14:33 ` David Marchand
2019-10-18 14:36 ` Jerin Jacob
2019-10-21 8:24 ` David Marchand
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