Platform: Intel(R) OpenCL Device: Intel(R) HD Graphics 4000 Driver version: 9.18.10.3165 (Win32) Global memory bandwidth (GBPS) float : 17.50 float2 : 19.17 float4 : 17.89 float8 : 17.89 float16 : 9.47 Single-precision compute (GFLOPS) float : 207.34 float2 : 214.91 float4 : 229.51 float8 : 240.49 float16 : 201.47 No double precision support! Skipped Transfer bandwidth (GBPS) enqueueWriteBuffer : 5.77 enqueueReadBuffer : 2.66 enqueueMapBuffer(for read) : 1.#J memcpy from mapped ptr : 8.39 enqueueUnmap(after write) : 1.#J memcpy to mapped ptr : 8.39 Kernel launch latency : 35.30 us --------------------------------------------------------------------------- Platform: Intel(R) OpenCL Device: Intel(R) HD Graphics 4000 Driver version: 9.18.10.3165 (Win64) Global memory bandwidth (GBPS) float : 18.30 float2 : 19.64 float4 : 17.90 float8 : 17.51 float16 : 9.36 Single-precision compute (GFLOPS) float : 206.98 float2 : 214.30 float4 : 228.81 float8 : 240.55 float16 : 200.15 No double precision support! Skipped Transfer bandwidth (GBPS) enqueueWriteBuffer : 6.24 enqueueReadBuffer : 6.10 enqueueMapBuffer(for read) : 1.#J memcpy from mapped ptr : 9.42 enqueueUnmap(after write) : 1.#J memcpy to mapped ptr : 8.80 Kernel launch latency : 39.30 us