Hi David,
>-----Original Message----- >From: David Christensen <d...@linux.vnet.ibm.com> >Sent: Friday 7 August 2020 17:32 >To: Power, Ciara <ciara.po...@intel.com>; dev@dpdk.org >Cc: Richardson, Bruce <bruce.richard...@intel.com>; Ruifeng Wang ><ruifeng.w...@arm.com>; Jerin Jacob <jer...@marvell.com>; Honnappa >Nagarahalli <honnappa.nagaraha...@arm.com> >Subject: Re: [PATCH 20.11 02/12] eal: add default SIMD bitwidth values > >On 8/7/20 8:58 AM, Ciara Power wrote: >> Each arch has a define for the default SIMD bitwidth value, this is >> used on EAL init to set the config max SIMD bitwidth. > >What's the intended use case? - For x86, it allows other apps such as OVS and VPP which already make use of AVX-512 to indicate that they are happy for DPDK to use AVX-512 too. - It allows the end-user to override those settings if so desired. - For all architectures, it allows an easy way to disable vector code or limit vector length if so desired, which can be useful for testing. <snip> Thanks, Ciara