Search CTRL + K

How to install Xtensor

Xtensor 系列主要包含 xtl, xsimd, xtensor-blasxtensor-fftwxtensor

1. Install xtl

  1. git clone
  2. make from source
mkdir build
cd build
cmake ..
sudo make install

2. Install xsimd

build 下有一个 benchmark,名为 mandelbrot,其结果如下,可以发现采用 AVX2 指令时,速度最快

$ ./mandelbrot 
starting benchmarks (results in 'ms')... 

scalar Statistics:
        max: 118
        min: 116
        median: 117
        median abs dev: 0
        mean: 116
        std dev: 0
        # of samples: 64

omp Statistics:
        max: 119
        min: 116
        median: 117
        median abs dev: 0
        mean: 116
        std dev: 1
        # of samples: 64

fma3+avx2 Statistics:
        max: 17
        min: 17
        median: 17
        median abs dev: 0
        mean: 17
        std dev: 0
        # of samples: 64

avx2 Statistics:
        max: 17
        min: 16
        median: 17
        median abs dev: 0
        mean: 16
        std dev: 0
        # of samples: 64

fma3+avx Statistics:
        max: 18
        min: 17
        median: 17
        median abs dev: 0
        mean: 17
        std dev: 0
        # of samples: 64

avx Statistics:
        max: 18
        min: 17
        median: 17
        median abs dev: 0
        mean: 17
        std dev: 0
        # of samples: 64

sse4.2 Statistics:
        max: 32
        min: 31
        median: 31
        median abs dev: 0
        mean: 31
        std dev: 0
        # of samples: 64

sse4.1 Statistics:
        max: 32
        min: 31
        median: 31
        median abs dev: 0
        mean: 31
        std dev: 0
        # of samples: 64

ssse3 Statistics:
        max: 32
        min: 32
        median: 32
        median abs dev: 0
        mean: 32
        std dev: 0
        # of samples: 64

sse3 Statistics:
        max: 32
        min: 32
        median: 32
        median abs dev: 0
        mean: 32
        std dev: 0
        # of samples: 64

sse2 Statistics:
        max: 32
        min: 32
        median: 32
        median abs dev: 0
        mean: 32
        std dev: 0
        # of samples: 64

3. 下载头文件

Xtensor, Xtensor-blasxtensor-fftw 以头文件形式进行使用
例子