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From: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
To: "Phil Yang (Arm Technology China)" <Phil.Yang@arm.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"thomas@monjalon.net" <thomas@monjalon.net>
Cc: "david.hunt@intel.com" <david.hunt@intel.com>,
	"reshma.pattan@intel.com" <reshma.pattan@intel.com>,
	"Gavin Hu (Arm Technology China)" <Gavin.Hu@arm.com>,
	"Phil Yang (Arm Technology China)" <Phil.Yang@arm.com>,
	nd <nd@arm.com>,
	Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
	"olivier.matz@6wind.com" <olivier.matz@6wind.com>,
	nd <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH v2 3/3] test/ring_perf: replace sync builtins with atomic builtins
Date: Mon, 1 Apr 2019 16:24:24 +0000	[thread overview]
Message-ID: <VE1PR08MB5149C99438508E154484CE4998550@VE1PR08MB5149.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <1553856998-25394-4-git-send-email-phil.yang@arm.com>

<snip>

> diff --git a/app/test/test_ring_perf.c b/app/test/test_ring_perf.c index
> ebb3939..e851c1a 100644
> --- a/app/test/test_ring_perf.c
> +++ b/app/test/test_ring_perf.c
> @@ -160,7 +160,11 @@ enqueue_bulk(void *p)
>  	unsigned i;
>  	void *burst[MAX_BURST] = {0};
> 
> -	if ( __sync_add_and_fetch(&lcore_count, 1) != 2 )
> +#ifdef RTE_USE_C11_MEM_MODEL
> +	if (__atomic_add_fetch(&lcore_count, 1, __ATOMIC_RELAXED) != 2)
> #else
> +	if (__sync_add_and_fetch(&lcore_count, 1) != 2) #endif
>  		while(lcore_count != 2)
>  			rte_pause();
Since, rte_ring library has both C11 and non-C11 implementations, conditional compilation should be fine here.

> 
> @@ -196,7 +200,11 @@ dequeue_bulk(void *p)
>  	unsigned i;
>  	void *burst[MAX_BURST] = {0};
> 
> -	if ( __sync_add_and_fetch(&lcore_count, 1) != 2 )
> +#ifdef RTE_USE_C11_MEM_MODEL
> +	if (__atomic_add_fetch(&lcore_count, 1, __ATOMIC_RELAXED) != 2)
> #else
> +	if (__sync_add_and_fetch(&lcore_count, 1) != 2) #endif
>  		while(lcore_count != 2)
>  			rte_pause();
> 
> --
> 2.7.4

  parent reply	other threads:[~2019-04-01 16:24 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-03  9:49 [dpdk-dev] [PATCH] packet_ordering: " Phil Yang
2019-03-28 18:42 ` Thomas Monjalon
2019-03-28 18:42   ` Thomas Monjalon
2019-03-29  1:34   ` Phil Yang (Arm Technology China)
2019-03-29  1:34     ` Phil Yang (Arm Technology China)
2019-03-29 10:56 ` [dpdk-dev] [PATCH v2 0/3] example and test cases optimizations Phil Yang
2019-03-29 10:56   ` Phil Yang
2019-03-29 10:56 ` [dpdk-dev] [PATCH v2 1/3] packet_ordering: add statistics for each worker thread Phil Yang
2019-03-29 10:56   ` Phil Yang
2019-03-29 16:39   ` Pattan, Reshma
2019-03-29 16:39     ` Pattan, Reshma
2019-03-30 16:55     ` Phil Yang (Arm Technology China)
2019-03-30 16:55       ` Phil Yang (Arm Technology China)
2019-04-01 12:58       ` Pattan, Reshma
2019-04-01 12:58         ` Pattan, Reshma
2019-04-02  3:33         ` Phil Yang (Arm Technology China)
2019-04-02  3:33           ` Phil Yang (Arm Technology China)
2019-03-29 10:56 ` [dpdk-dev] [PATCH v2 2/3] test/distributor: replace sync builtins with atomic builtins Phil Yang
2019-03-29 10:56   ` Phil Yang
2019-04-01 16:24   ` Honnappa Nagarahalli
2019-04-01 16:24     ` Honnappa Nagarahalli
2019-04-02  3:43     ` Phil Yang (Arm Technology China)
2019-04-02  3:43       ` Phil Yang (Arm Technology China)
2019-03-29 10:56 ` [dpdk-dev] [PATCH v2 3/3] test/ring_perf: " Phil Yang
2019-03-29 10:56   ` Phil Yang
2019-04-01 16:24   ` Honnappa Nagarahalli [this message]
2019-04-01 16:24     ` Honnappa Nagarahalli
2019-04-03  6:59 ` [dpdk-dev] [PATCH v3 0/3] example and test cases optimizations Phil Yang
2019-04-03  6:59   ` Phil Yang
2019-04-03  6:59   ` [dpdk-dev] [PATCH v3 1/3] packet_ordering: add statistics for each worker thread Phil Yang
2019-04-03  6:59     ` Phil Yang
2019-04-04 23:24     ` Thomas Monjalon
2019-04-04 23:24       ` Thomas Monjalon
2019-04-08  4:04       ` Phil Yang (Arm Technology China)
2019-04-08  4:04         ` Phil Yang (Arm Technology China)
2019-04-03  6:59   ` [dpdk-dev] [PATCH v3 2/3] test/distributor: replace sync builtins with atomic builtins Phil Yang
2019-04-03  6:59     ` Phil Yang
2019-04-04 15:30     ` Honnappa Nagarahalli
2019-04-04 15:30       ` Honnappa Nagarahalli
2019-04-03  6:59   ` [dpdk-dev] [PATCH v3 3/3] test/ring_perf: " Phil Yang
2019-04-03  6:59     ` Phil Yang
2019-04-08  3:02 ` [dpdk-dev] [PATCH v4 0/3] example and test cases optimizations Phil Yang
2019-04-08  3:02   ` Phil Yang
2019-07-04 20:15   ` Thomas Monjalon
2019-07-05  3:19     ` Phil Yang (Arm Technology China)
2019-07-08 14:38   ` Thomas Monjalon
2019-04-08  3:02 ` [dpdk-dev] [PATCH v4 1/3] packet_ordering: add statistics for each worker thread Phil Yang
2019-04-08  3:02   ` Phil Yang
2019-04-08  3:02 ` [dpdk-dev] [PATCH v4 2/3] test/distributor: replace sync builtins with atomic builtins Phil Yang
2019-04-08  3:02   ` Phil Yang
2019-04-10 14:05   ` Hunt, David
2019-04-10 14:05     ` Hunt, David
2019-04-11 11:31     ` Phil Yang (Arm Technology China)
2019-04-11 11:31       ` Phil Yang (Arm Technology China)
2019-04-08  3:02 ` [dpdk-dev] [PATCH v4 3/3] test/ring_perf: " Phil Yang
2019-04-08  3:02   ` Phil Yang

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