CLPeak on Sapphire R380X Nitro

$ ./clpeak 

Platform: Clover
  Device: AMD TONGA (DRM 3.1.0, LLVM 3.8.0)
    Driver version  : 11.2.0-devel (Linux x64)
    Compute units   : 32
    Clock frequency : 0 MHz

    Global memory bandwidth (GBPS)
      float   : 100.53
      float2  : 112.67
      float4  : 105.17
      float8  : 104.72
      float16 : 69.72

    Single-precision compute (GFLOPS)
      float   : 4006.34
      float2  : 4039.47
      float4  : 4030.48
      float8  : 4007.96
      float16 : 3973.85

    Double-precision compute (GFLOPS)
      double   : 265.21
      double2  : 265.09
      double4  : 264.79
      double8  : 264.05
      double16 : 263.11

    Integer compute (GIOPS)
      int   : 841.70
      int2  : 841.59
      int4  : 841.39
      int8  : 841.17
      int16 : 840.63

    Transfer bandwidth (GBPS)
      enqueueWriteBuffer         : 2.57
      enqueueReadBuffer          : 1.92
      enqueueMapBuffer(for read) : 1813.75
        memcpy from mapped ptr   : 1.92
      enqueueUnmap(after write)  : 1545.40
        memcpy to mapped ptr     : 1.92

    Kernel launch latency : 267.44 us