[Interest] SIMD accelerated wrappers for relevant Qt container classes (QVector, ...) or QByteArray?

René J.V. Bertin rjvbertin at gmail.com
Wed May 10 13:04:12 CEST 2017

On Wednesday May 10 2017 12:21:48 Allan Sandfeld Jensen wrote:

> That is not how the simple intrinsics are defined any more. They instead use 
> special SIMD extensions to tell the compiler to add two vectors of 8 integers 
> together. When AVX2 is available that can be done with one instruction, but if 
> -mavx2 is not used, then it will do it with SSE2 instead using 3 instructions 
> or more.

Can you still call that "intrinsics", let alone "simple intrinsics"? :)


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