Combine OpenACC and Unified Memory for Productivity and Performance

Originally published at: https://developer.nvidia.com/blog/combine-openacc-unified-memory-productivity-performance/

The post Getting Started with OpenACC covered four steps to progressively accelerate your code with OpenACC. It’s often necessary to use OpenACC directives to express both loop parallelism and data locality in order to get good performance with accelerators. After expressing available parallelism, excessive data movement generated by the compiler can be a bottleneck, and correcting this by…