Questions

1. Write a CUDA program to subtract two numbers. Pass parameters by value in the kernel function.
2. Write a CUDA program to multiply two numbers. Pass parameters by reference in the kernel function.
3. Suppose you want to launch 5,000 threads in parallel. Configure kernel parameters in three different ways to accomplish this. Maximum 512 threads are possible per block.
4. True or false: The programmer can decide in which order blocks will execute on the device, and blocks will be assigned to which streaming multiprocessor?
5. Write a CUDA program to find out that your system contains a GPU device that has a major-minor version of 5.0 or greater.

6. Write a CUDA program to find a cube of a vector that contains numbers from 0 to 49.
7. For the following applications, which communication pattern is useful?
   1. Image processing
   2. Moving average
   3. Sorting array in ascending order
   4. Finding cube of numbers in array