代碼在git

nvcc add1cpu.cu -o add1cpu ./add1cpu Time = 352.801 ms. Time = 222.614 ms. Time = 223.758 ms. Time = 224.543 ms. Time = 223.666 ms. Time = 222.695 ms. Time = 223.809 ms. Time = 222.556 ms. Time = 222.363 ms. Time = 221.945 ms. Time = 222.848 ms. Time = 223.08 +- 0.768013 ms. No errors nvcc add2gpu.cu -o add2gpu ./add2gpu Time = 2.19098 ms. Time = 2.19251 ms. Time = 2.1903 ms. Time = 2.19136 ms. Time = 2.1937 ms. Time = 2.19117 ms. Time = 2.19638 ms. Time = 2.19837 ms. Time = 2.19341 ms. Time = 2.19328 ms. Time = 2.18941 ms. Time = 2.19299 +- 0.00276214 ms. No errors

cuda并行加速后，速度比c++ cpu下增大100倍

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