$($II$)[2$ points$]$ Suppose we have a CUDA kernel named vectorAdd, we use nvprof to measure the roofline

quantities of this kernel on a GTX $1080$Ti GPU. The roofline quantities are listed as follows:

Time cost of vectorAdd kernel: $2$ microseconds

Number of Floating Point Operations: $600000$

Device memory Read Throughput: $200$ GB$/$s

Device memory Write Throughput: $100$ GB$/$s

What is the operational intensity of the vectorAdd kernel?