Platform: Intel(R) OpenCL Device: Intel(R) Core(TM) i3 CPU 550 @ 3.20GHz Driver version: 1.2.0.76921 (Linux x64) Global memory bandwidth (GBPS) float : 8.28 float2 : 8.15 float4 : 7.34 float8 : 7.63 float16 : 7.48 Single-precision compute (GFLOPS) float : 14.56 float2 : 29.07 float4 : 46.65 float8 : 28.68 float16 : 45.49 Double-precision compute (GFLOPS) double : 12.56 double2 : 22.47 double4 : 8.55 double8 : 21.26 double16 : 10.25 Transfer bandwidth (GBPS) enqueueWriteBuffer : 1.40 enqueueReadBuffer : 4.13 enqueueMapBuffer(for read) : 1355.73 memcpy from mapped ptr : 4.13 enqueueUnmap(after write) : 1682.98 memcpy to mapped ptr : 4.26 Kernel launch latency : 5.33 us