[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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