Over the last couple of days, I’ve been playing with OpenMP (compiler = gfortran 12.2.0). While doing so on a rather simple piece of code, I realized that once a given array exceed a certain size, the program would fail at runtime. Initially, I though the issue was caused by the $omp directives, bu…

[image] HugoMVale: Should I report this bug? Where/how? I am not even sure this is a bug, […] To me this looks like a memory/stack size problem. Already at N = 370, you get a warning about the potential problems with concurrent accesses (although it doesn’t break it as long as you execute ser…

OpenMP and `do concurrent` loop = crash at runtime

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PierU May 2, 2023, 8:48pm 4

I don’t know, and maybe there’s no problem at all. It’s just that I don’t know what the compilers are supposed to do when a do concurrent construct has a !$OMP DO directive.

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OpenMP and `do concurrent` loop = crash at runtime

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