1Platform: Intel(R) OpenCL 2 Device: Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz 3 Driver version : 1.2.0.43 (Linux x64) 4 Compute units : 32 5 Clock frequency : 2600 MHz 6 7 Global memory bandwidth (GBPS) 8 float : 42.02 9 float2 : 41.93 10 float4 : 43.30 11 float8 : 42.25 12 float16 : 40.88 13 14 Single-precision compute (GFLOPS) 15 float : 95.96 16 float2 : 382.23 17 float4 : 672.15 18 float8 : 192.14 19 float16 : 365.97 20 21 Double-precision compute (GFLOPS) 22 double : 95.95 23 double2 : 349.98 24 double4 : 149.61 25 double8 : 189.77 26 double16 : 325.56 27 28 Transfer bandwidth (GBPS) 29 enqueueWriteBuffer : 3.62 30 enqueueReadBuffer : 2.78 31 enqueueMapBuffer(for read) : 6523.34 32 memcpy from mapped ptr : 2.76 33 enqueueUnmap(after write) : 8815.61 34 memcpy to mapped ptr : 6.70 35 36 Kernel launch latency : 8.59 us 37