對于一維block（線程塊）線程的id為threadIdx.x
對于二維block（線程塊l兩個次元Dx,Dy）線程的id為threadIdx.x+threadIdx.y*Dx (Dx=blockDim.x)
對于三維block（Dx，Dy，Dz）線程id為threadIdx.x+threadIdx.y*Dx+threadIx.z*Dy
對于一維block（線程塊）線程的id為threadIdx.x
對于二維block（線程塊l兩個次元Dx,Dy）線程的id為threadIdx.x+threadIdx.y*Dx (Dx=blockDim.x)
對于三維block（Dx，Dy，Dz）線程id為threadIdx.x+threadIdx.y*Dx+threadIx.z*Dy
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