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

Thiago Macieira thiago.macieira at intel.com
Tue May 9 19:15:46 CEST 2017

Em terça-feira, 9 de maio de 2017, às 08:55:50 PDT, René J.V. Bertin escreveu:
> Hi,
> In the past I have used SIMD-accelerated container classes like MacSTL's
> alternative to std::valarray with considerable benefit for certain
> operations.
> Are there similar classes that extend Qt containers like QVector so that
> math operations on instances containing a relevant scalar datatype are
> SIMD-accelerated? Or even QByteArray (which I've seen used as a container
> for at least 1-D time-series data (audio))?

QString is already SIMD accelearated and has been since Qt 4.5.

If you want any inline operations to become SIMD accelerated, compile your 
code with -O3.

Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center

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