[Bug 96296] clpeak causes a GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96296

--- Comment #8 from Jan Vesely <jan.vesely at rutgers.edu> ---
got this today. No hang.

Platform: Clover
  Device: AMD TURKS (DRM 2.49.0 / 4.11.11-300.fc26.x86_64, LLVM 6.0.0)
    Driver version  : 17.3.0-devel (Linux x64)
    Compute units   : 6
    Clock frequency : 650 MHz

    Global memory bandwidth (GBPS)
      float   : 40.47
      float2  : 41.01
      float4  : 38.05
      float8  : 25.09
      float16 : 13.33

    Single-precision compute (GFLOPS)
      float   : 124.18
      float2  : 243.14
      float4  : 249.80
      float8  : 285.99
      float16 : 350.36

    No double precision support! Skipped

    Integer compute (GIOPS)
      int   : 62.25
      int2  : 122.03
      int4  : 123.01
      int8  : 122.29
      int16 : 122.11

    Transfer bandwidth (GBPS)
      enqueueWriteBuffer         : 18.15
      enqueueReadBuffer          : 3.06
      enqueueMapBuffer(for read) : 6.53
        memcpy from mapped ptr   : 5.65
      enqueueUnmap(after write)  : 2108.68
        memcpy to mapped ptr     : 7.49

    Kernel launch latency : 67.10 us

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