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From: Bruce Richardson <bruce.richardson@intel.com>
To: Leyi Rong <leyi.rong@intel.com>
Cc: wenzhuo.lu@intel.com, qi.z.zhang@intel.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v1 1/2] net/ice: add AVX512 vector path
Date: Thu, 10 Sep 2020 10:32:34 +0100
Message-ID: <20200910093234.GF1789@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <20200910065504.104217-2-leyi.rong@intel.com>

On Thu, Sep 10, 2020 at 02:55:03PM +0800, Leyi Rong wrote:
> Add AVX512 support for ice PMD. This patch adds ice_rxtx_vec_avx512.c
> to support ice AVX512 vPMD.
> 
> This patch aims to enable AVX512 on ice vPMD. Main changes are focus
> on Rx path compared with AVX2 vPMD.
> 
> Signed-off-by: Leyi Rong <leyi.rong@intel.com>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
>  drivers/net/ice/ice_rxtx.c            |  88 ++-
>  drivers/net/ice/ice_rxtx.h            |   7 +
>  drivers/net/ice/ice_rxtx_vec_avx512.c | 824 ++++++++++++++++++++++++++
>  drivers/net/ice/meson.build           |  13 +
>  4 files changed, 914 insertions(+), 18 deletions(-)
>  create mode 100644 drivers/net/ice/ice_rxtx_vec_avx512.c
<snip>
> +	if dpdk_conf.has('RTE_MACHINE_CPUFLAG_AVX512F') or not machine_args.contains('-mno-avx512f')

I think you need to split these conditions:
If the cpu flag is set, you just want to unconditionally add the file to
the build list. However, if no-avx512 flag is set, you want to skip the
whole block completely.

> +		if cc.has_argument('-mavx512f') and cc.has_argument('-mavx512bw')
> +			cflags += ['-DCC_AVX512_SUPPORT']
> +			ice_avx512_lib = static_library('ice_avx512_lib',
> +					      'ice_rxtx_vec_avx512.c',
> +					      dependencies: [static_rte_ethdev,
> +						static_rte_kvargs, static_rte_hash],
> +					      include_directories: includes,
> +					      c_args: [cflags, '-march=skylake-avx512', '-mavx512f'])
> +			objs += ice_avx512_lib.extract_objects('ice_rxtx_vec_avx512.c')
> +		endif
> +	endif
>  endif
>  
>  sources += files('ice_dcf.c',
> -- 
> 2.17.1
> 

  reply	other threads:[~2020-09-10  9:32 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10  6:55 [dpdk-dev] [PATCH v1 0/2] AVX512 vPMD on ice Leyi Rong
2020-09-10  6:55 ` [dpdk-dev] [PATCH v1 1/2] net/ice: add AVX512 vector path Leyi Rong
2020-09-10  9:32   ` Bruce Richardson [this message]
2020-09-10  6:55 ` [dpdk-dev] [PATCH v1 2/2] net/ice: optimize Tx path on AVX512 vPMD Leyi Rong
2020-09-15  1:17   ` Wang, Haiyue
2020-09-18  3:35 ` [dpdk-dev] [PATCH v2 0/3] AVX512 vPMD on ice Leyi Rong
2020-09-18  3:35   ` [dpdk-dev] [PATCH v2 1/3] net/ice: add AVX512 vector path Leyi Rong
2020-09-18  3:35   ` [dpdk-dev] [PATCH v2 2/3] net/ice: add RSS hash parsing in AVX512 path Leyi Rong
2020-09-18  3:35   ` [dpdk-dev] [PATCH v2 3/3] net/ice: optimize Tx path on AVX512 vPMD Leyi Rong
2020-10-20 10:51 ` [dpdk-dev] [PATCH v3 0/3] AVX512 vPMD on ice Leyi Rong
2020-10-20 10:51   ` [dpdk-dev] [PATCH v3 1/3] net/ice: add AVX512 vector path Leyi Rong
2020-10-20 10:51   ` [dpdk-dev] [PATCH v3 2/3] net/ice: add RSS hash parsing in AVX512 path Leyi Rong
2020-10-20 10:51   ` [dpdk-dev] [PATCH v3 3/3] net/ice: optimize Tx path on AVX512 vPMD Leyi Rong
2020-10-23  4:14 ` [dpdk-dev] [PATCH v4 0/3] AVX512 vPMD on ice Leyi Rong
2020-10-23  4:14   ` [dpdk-dev] [PATCH v4 1/3] net/ice: add AVX512 vector path Leyi Rong
2020-10-25 16:23     ` David Marchand
2020-10-26  7:12       ` Rong, Leyi
2020-10-26  8:09         ` David Marchand
2020-10-27 10:19           ` Bruce Richardson
2020-10-27 10:22         ` Ferruh Yigit
2020-10-27  8:32     ` Ali Alnubani
2020-10-27  8:42       ` Ali Alnubani
2020-10-23  4:14   ` [dpdk-dev] [PATCH v4 2/3] net/ice: add RSS hash parsing in AVX512 path Leyi Rong
2020-10-23  4:14   ` [dpdk-dev] [PATCH v4 3/3] net/ice: optimize Tx path on AVX512 vPMD Leyi Rong
2020-10-23  9:39   ` [dpdk-dev] [PATCH v4 0/3] AVX512 vPMD on ice Zhang, Qi Z

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