Platform: Intel(R) OpenCL
  Device: Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz
    Driver version  : 1.2.0.92 (Linux x64)
    Compute units   : 4
    Clock frequency : 3200 MHz

    Global memory bandwidth (GBPS)
      float   : 16.72
      float2  : 17.15
      float4  : 18.17
      float8  : 17.59
      float16 : 17.39

    Single-precision compute (GFLOPS)
      float   : 40.30
      float2  : 81.75
      float4  : 162.22
      float8  : 44.82
      float16 : 75.15

    Double-precision compute (GFLOPS)
      double   : 40.01
      double2  : 80.05
      double4  : 28.98
      double8  : 41.51
      double16 : 81.89

    Transfer bandwidth (GBPS)
      enqueueWriteBuffer         : 1.46
      enqueueReadBuffer          : 5.44
      enqueueMapBuffer(for read) : 24292.80
        memcpy from mapped ptr   : 5.58
      enqueueUnmap(after write)  : 33765.47
        memcpy to mapped ptr     : 5.64

    Kernel launch latency : 1.95 us