GPU Debugging tips - mccode-dev/McCode GitHub Wiki

** Work in progress **

Valuable debugging-document available from a Jülich OpenACC event: https://www.fz-juelich.de/SharedDocs/Downloads/IAS/JSC/EN/slides/openacc/3-openacc-tools.pdf?__blob=publicationFile

Increase runtime info via

export PGI_ACC_NOTIFY=3

Given the same seed, a CPU and GPU simulation should give identical results