This is a recording of the Chapel Tutorial presented at ChapelCon '24. Slides are available at chapel-lang.org/ChapelCon/202...
* 00:00 - What is Chapel?
* 03:40 - The Heat Diffusion Problem
* 08:00 - Chapel code to Simulate Heat Diffusion
* 12:45 - Hands-on #1 (getting the code)
* 15:58 - Hands-on #2 (varying problem size)
* 16:52 - Hands-on #3 (the --fast flag)
* 19:26 - Language Features in Chapel Solution
* 25:30 - Using Parallelism to Improve Performance
* 27:21 - Hands-on #4 (Comparing serial and parallel performance)
* 30:02 - More on forall loops
* 34:40 - A note on race conditions
* 36:24 - GPUS, Supercomputers, and Locales
* 38:12 - Intro to Locales
* 44:19 - Locales in the Code so Far
* 45:24 - Using GPUs using the Locales model
* 49:02 - Introducing Domains for Multi-Node Execution
* 51:24 - Distributing the Heat Diffusion Computation
* 54:21 - More on Distributions
* 56:47 - Heat Diffusion in Two Dimensions
* 59:54 - Distributing the Two-Dimensional Heat Diffusion Computation
* 1:01:21 - Measuring Communication
* 1:03:42 - Hands-on #5 (Measuring communication in two-dimensional heat diffusion)
* 1:08:03 - Using the Stencil Distribution to Reduce Communication
* 1:10:33 - Hands-on #6 (Comparing communication between block and stencil distributions)
* 1:13:00 - Conclusion and Summary