Platform: AMD Accelerated Parallel Processing Device: Hawaii (R9 390) Driver version : 1800.5 (VM) (Linux x64) Compute units : 40 Clock frequency : 1000 MHz Global memory bandwidth (GBPS) float : 325.28 float2 : 335.50 float4 : 326.06 float8 : 185.19 float16 : 92.65 Single-precision compute (GFLOPS) float : 5079.23 float2 : 5074.38 float4 : 5060.63 float8 : 5033.64 float16 : 4978.18 Double-precision compute (GFLOPS) double : 638.55 double2 : 637.93 double4 : 636.60 double8 : 633.93 double16 : 628.44 Integer compute (GIOPS) int : 1701.12 int2 : 1700.71 int4 : 1699.93 int8 : 1699.02 int16 : 1697.04 Transfer bandwidth (GBPS) enqueueWriteBuffer : 8.66 enqueueReadBuffer : 5.75 enqueueMapBuffer(for read) : 36584.05 memcpy from mapped ptr : 3.93 enqueueUnmap(after write) : 429496.75 memcpy to mapped ptr : 3.71 Kernel launch latency : 34.63 us