From: Yerden Zhumabekov <e_zhumabekov@sts.kz>
To: "Wang, Shawn" <xingbow@amazon.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v4 3/5] hash: add fallback to software CRC32 implementation
Date: Wed, 19 Nov 2014 10:07:23 +0600 [thread overview]
Message-ID: <546C177B.10003@sts.kz> (raw)
In-Reply-To: <12C2AAD9525203489F7B523D670129D91CCF3615@ex10-mbx-31007.ant.amazon.com>
18.11.2014 23:29, Wang, Shawn пишет:
> I have a general question about using CPUID to detect supported instruction set.
> What if we are compiling the software with some old hardware which does not support SSE4.2, but run it on new hardware which does support SSE4.2. Is there still a static way to force the compiler to turn on the SSE4.2 support?
> I guess for SSE4.2, most of the CPU has support for it now. But for AVX2, this might not be the case.
According to gcc 4.7 changes (https://gcc.gnu.org/gcc-4.7/changes.html)
they've added support for AVX2 instructions since that version.
Use -mavx2 or -march=core-avx2. The latter seems to be supported by ICC
as well, according to Google :)
--
Sincerely,
Yerden Zhumabekov
State Technical Service
Astana, KZ
next prev parent reply other threads:[~2014-11-19 3:57 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 ` [dpdk-dev] [PATCH 1/2] hash: add new rte_hash_crc_8byte call Yerden Zhumabekov
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 [this message]
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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