From: Yerden Zhumabekov <e_zhumabekov@sts.kz> To: <dev@dpdk.org> Subject: [dpdk-dev] [PATCH 1/2] hash: add new rte_hash_crc_8byte call Date: Wed, 3 Sep 2014 12:05:50 +0600 Message-ID: <1409724351-23786-2-git-send-email-e_zhumabekov@sts.kz> (raw) In-Reply-To: <1409724351-23786-1-git-send-email-e_zhumabekov@sts.kz> SSE4.2 provides _mm_crc32_u64 intrinsic with 8-byte operand. Signed-off-by: Yerden Zhumabekov <e_zhumabekov@sts.kz> --- lib/librte_hash/rte_hash_crc.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/lib/librte_hash/rte_hash_crc.h b/lib/librte_hash/rte_hash_crc.h index b48b0db..102b2a0 100644 --- a/lib/librte_hash/rte_hash_crc.h +++ b/lib/librte_hash/rte_hash_crc.h @@ -64,6 +64,22 @@ rte_hash_crc_4byte(uint32_t data, uint32_t init_val) } /** + * Use single crc32 instruction to perform a hash on a 8 byte value. + * + * @param data + * Data to perform hash on. + * @param init_val + * Value to initialise hash generator. + * @return + * 32bit calculated hash value. + */ +static inline uint32_t +rte_hash_crc_8byte(uint64_t data, uint32_t init_val) +{ + return _mm_crc32_u64(init_val, data); +} + +/** * Use crc32 instruction to perform a hash. * * @param data -- 1.7.9.5
next prev parent reply other threads:[~2014-09-03 6:01 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 ` Yerden Zhumabekov [this message] 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
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