Question $282\mathrm{.}5$ pts The primary purpose of MPI is to: To get computing access to a GPU Allow parallel computing among separate CPUs To allow multicore To get SIMD performance Question $292\mathrm{.}5$ pts In MPI, a CPU's "rank" is: Its priority O Its integer identifier Its processing power The number of cores it has Question $302\mathrm{.}5$ pts An MPI "Broadcast" operation involves: A single function regardless of if you are sending or receiving Many functions: a broadcast sender and one unique broadcast receiver function per CPU O Many functions: multiple broadcast senders and a single broadcast receiver Two functions: a broadcast sender and a broadcast receiver