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SYCL Academy

Exercise 19: Work-Group Sizes

In this exercise you will learn how to use different work-group sizes in order to compare the performance difference.

1.) Try different work-group sizes

In order to optimize for occupancy try different work-group sizes, by specifying a different local range for the nd_range.

Note that if the work-group size exceeds the maximum work-group size the target device supports then it will fail to execute.

Compare the performance of the various work-group sizes you try.

Build and execution hints

For DevCloud via SSH follow these instructions.

For DPC++: instructions.

For AdaptiveCpp: instructions.