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From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: "Wang, Yipeng1" <yipeng1.wang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"Richardson, Bruce" <bruce.richardson@intel.com>,
	"honnappa.nagarahalli@arm.com" <honnappa.nagarahalli@arm.com>,
	"vguvva@caviumnetworks.com" <vguvva@caviumnetworks.com>,
	"brijesh.s.singh@gmail.com" <brijesh.s.singh@gmail.com>
Subject: Re: [dpdk-dev] [PATCH v2 2/6] hash: add read and write concurrency support
Date: Fri, 6 Jul 2018 17:11:11 +0000	[thread overview]
Message-ID: <E115CCD9D858EF4F90C690B0DCB4D8977F8E6A9D@IRSMSX108.ger.corp.intel.com> (raw)
In-Reply-To: <1530275097-123488-3-git-send-email-yipeng1.wang@intel.com>



> -----Original Message-----
> From: Wang, Yipeng1
> Sent: Friday, June 29, 2018 1:25 PM
> To: De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>
> Cc: dev@dpdk.org; Wang, Yipeng1 <yipeng1.wang@intel.com>; Richardson,
> Bruce <bruce.richardson@intel.com>; honnappa.nagarahalli@arm.com;
> vguvva@caviumnetworks.com; brijesh.s.singh@gmail.com
> Subject: [PATCH v2 2/6] hash: add read and write concurrency support
> 
> The existing implementation of librte_hash does not support read-write
> concurrency. This commit implements read-write safety using rte_rwlock and
> rte_rwlock TM version if hardware transactional memory is available.
> 
> Both multi-writer and read-write concurrency is protected by rte_rwlock now.
> The x86 specific header file is removed since the x86 specific RTM function is not
> called directly by rte hash now.
> 
> Signed-off-by: Yipeng Wang <yipeng1.wang@intel.com>
> ---
>  lib/librte_hash/meson.build           |   1 -
>  lib/librte_hash/rte_cuckoo_hash.c     | 507 ++++++++++++++++++++++------------
>  lib/librte_hash/rte_cuckoo_hash.h     |  18 +-
>  lib/librte_hash/rte_cuckoo_hash_x86.h | 164 -----------
>  lib/librte_hash/rte_hash.h            |   3 +
>  5 files changed, 338 insertions(+), 355 deletions(-)  delete mode 100644
> lib/librte_hash/rte_cuckoo_hash_x86.h
> 

...

> --- a/lib/librte_hash/rte_cuckoo_hash.c
> +++ b/lib/librte_hash/rte_cuckoo_hash.c
> @@ -31,9 +31,6 @@

...

> +	if (h->multi_writer_support) {
> +		h->readwrite_lock = rte_malloc(NULL, sizeof(rte_rwlock_t),
>  							LCORE_CACHE_SIZE);

I think LCORE_CACHE_SIZE should be RTE_CACHE_LINE_SIZE (same value, but different meaning).

> -			rte_spinlock_init(h->multiwriter_lock);
> -		}

...

> +
> +	/* Didnt' find a match, so get a new slot for storing the new key */

Typo: Didn't

> +	if (h->multi_writer_support) {
>  		lcore_id = rte_lcore_id();
>  		cached_free_slots = &h->local_free_slots[lcore_id];

  reply	other threads:[~2018-07-06 17:11 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-08 10:51 [dpdk-dev] [PATCH v1 0/3] Add read-write concurrency to rte_hash library Yipeng Wang
2018-06-08 10:51 ` [dpdk-dev] [PATCH v1 1/3] hash: add read and write concurrency support Yipeng Wang
2018-06-26 14:59   ` De Lara Guarch, Pablo
2018-06-08 10:51 ` [dpdk-dev] [PATCH v1 2/3] test: add test case for read write concurrency Yipeng Wang
2018-06-26 15:48   ` De Lara Guarch, Pablo
2018-06-08 10:51 ` [dpdk-dev] [PATCH v1 3/3] hash: add new API function to query the key count Yipeng Wang
2018-06-26 16:11   ` De Lara Guarch, Pablo
2018-06-29 12:24 ` [dpdk-dev] [PATCH v2 0/6] Add read-write concurrency to rte_hash library Yipeng Wang
2018-06-29 12:24   ` [dpdk-dev] [PATCH v2 1/6] hash: make duplicated code into functions Yipeng Wang
2018-07-06 10:04     ` De Lara Guarch, Pablo
2018-06-29 12:24   ` [dpdk-dev] [PATCH v2 2/6] hash: add read and write concurrency support Yipeng Wang
2018-07-06 17:11     ` De Lara Guarch, Pablo [this message]
2018-06-29 12:24   ` [dpdk-dev] [PATCH v2 3/6] test: add tests in hash table perf test Yipeng Wang
2018-07-06 17:17     ` De Lara Guarch, Pablo
2018-06-29 12:24   ` [dpdk-dev] [PATCH v2 4/6] test: add test case for read write concurrency Yipeng Wang
2018-07-06 17:31     ` De Lara Guarch, Pablo
2018-06-29 12:24   ` [dpdk-dev] [PATCH v2 5/6] hash: fix to have more accurate key slot size Yipeng Wang
2018-07-06 17:32     ` De Lara Guarch, Pablo
2018-06-29 12:24   ` [dpdk-dev] [PATCH v2 6/6] hash: add new API function to query the key count Yipeng Wang
2018-07-06 17:36     ` De Lara Guarch, Pablo
2018-07-06 19:46 ` [dpdk-dev] [PATCH v3 0/8] Add read-write concurrency to rte_hash library Yipeng Wang
2018-07-06 19:46   ` [dpdk-dev] [PATCH v3 1/8] hash: fix multiwriter lock memory allocation Yipeng Wang
2018-07-09 11:26     ` De Lara Guarch, Pablo
2018-07-06 19:46   ` [dpdk-dev] [PATCH v3 2/8] hash: fix a multi-writer bug Yipeng Wang
2018-07-09 14:16     ` De Lara Guarch, Pablo
2018-07-06 19:46   ` [dpdk-dev] [PATCH v3 3/8] hash: fix to have more accurate key slot size Yipeng Wang
2018-07-09 14:20     ` De Lara Guarch, Pablo
2018-07-06 19:46   ` [dpdk-dev] [PATCH v3 4/8] hash: make duplicated code into functions Yipeng Wang
2018-07-09 14:25     ` De Lara Guarch, Pablo
2018-07-06 19:46   ` [dpdk-dev] [PATCH v3 5/8] hash: add read and write concurrency support Yipeng Wang
2018-07-09 14:28     ` De Lara Guarch, Pablo
2018-07-06 19:46   ` [dpdk-dev] [PATCH v3 6/8] test: add tests in hash table perf test Yipeng Wang
2018-07-09 15:33     ` De Lara Guarch, Pablo
2018-07-06 19:46   ` [dpdk-dev] [PATCH v3 7/8] test: add test case for read write concurrency Yipeng Wang
2018-07-09 16:24     ` De Lara Guarch, Pablo
2018-07-06 19:46   ` [dpdk-dev] [PATCH v3 8/8] hash: add new API function to query the key count Yipeng Wang
2018-07-09 16:22     ` De Lara Guarch, Pablo
2018-07-09 10:44 ` [dpdk-dev] [PATCH v4 0/8] Add read-write concurrency to rte_hash library Yipeng Wang
2018-07-09 10:44   ` [dpdk-dev] [PATCH v4 1/8] hash: fix multiwriter lock memory allocation Yipeng Wang
2018-07-09 10:44   ` [dpdk-dev] [PATCH v4 2/8] hash: fix a multi-writer race condition Yipeng Wang
2018-07-09 10:44   ` [dpdk-dev] [PATCH v4 3/8] hash: fix key slot size accuracy Yipeng Wang
2018-07-09 10:44   ` [dpdk-dev] [PATCH v4 4/8] hash: make duplicated code into functions Yipeng Wang
2018-07-09 10:45   ` [dpdk-dev] [PATCH v4 5/8] hash: add read and write concurrency support Yipeng Wang
2018-07-09 10:45   ` [dpdk-dev] [PATCH v4 6/8] test: add tests in hash table perf test Yipeng Wang
2018-07-09 10:45   ` [dpdk-dev] [PATCH v4 7/8] test: add test case for read write concurrency Yipeng Wang
2018-07-09 10:45   ` [dpdk-dev] [PATCH v4 8/8] hash: add new API function to query the key count Yipeng Wang
2018-07-10 18:00   ` [dpdk-dev] [PATCH v4 0/8] Add read-write concurrency to rte_hash library Honnappa Nagarahalli
2018-07-12  1:31     ` Wang, Yipeng1
2018-07-12  2:36       ` Honnappa Nagarahalli
2018-07-13  1:47         ` Wang, Yipeng1
2018-07-10 16:59 ` [dpdk-dev] [PATCH v5 " Yipeng Wang
2018-07-10 16:59   ` [dpdk-dev] [PATCH v5 1/8] hash: fix multiwriter lock memory allocation Yipeng Wang
2018-07-10 16:59   ` [dpdk-dev] [PATCH v5 2/8] hash: fix a multi-writer race condition Yipeng Wang
2018-07-10 16:59   ` [dpdk-dev] [PATCH v5 3/8] hash: fix key slot size accuracy Yipeng Wang
2018-07-10 16:59   ` [dpdk-dev] [PATCH v5 4/8] hash: make duplicated code into functions Yipeng Wang
2018-07-10 16:59   ` [dpdk-dev] [PATCH v5 5/8] hash: add read and write concurrency support Yipeng Wang
2018-07-11 20:49     ` Stephen Hemminger
2018-07-12  1:22       ` Wang, Yipeng1
2018-07-12 20:30         ` Thomas Monjalon
2018-07-13  1:55           ` Wang, Yipeng1
2018-08-17 12:51             ` ASM
2018-07-10 16:59   ` [dpdk-dev] [PATCH v5 6/8] test: add tests in hash table perf test Yipeng Wang
2018-07-10 17:00   ` [dpdk-dev] [PATCH v5 7/8] test: add test case for read write concurrency Yipeng Wang
2018-07-10 17:00   ` [dpdk-dev] [PATCH v5 8/8] hash: add new API function to query the key count Yipeng Wang
2018-07-12 21:03   ` [dpdk-dev] [PATCH v5 0/8] Add read-write concurrency to rte_hash library Thomas Monjalon

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