Re: [boost] [simd] Hardware support

Subject: Re: [boost] [simd] Hardware support
From: Bjorn Reese (breese_at_[hidden])
Date: 2017-04-10 12:44:32

On 04/08/2017 01:06 PM, Mathias Gaunard via Boost wrote:
> On 8 April 2017 at 11:14, Bjorn Reese via Boost <boost_at_[hidden]>
> wrote:

> What does Boost.SIMD currently do on unsupported platforms? Revert
>> back to SISD?
>>
>
> Yes, likewise if you're on x86 but requesting an operation that your
> hardware does not support, it will still work using the best possible
> implementation.

Is there any run-time overhead (e.g. induced by pack, load, save, etc.)
in the SISD case?