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GRHydro does not build on Blue Gene/Q
Some of the C++ source files in GRHydro do not build on a Blue Gene/Q with IBM's compiler. The problem is that the compiler takes a very long time (>8h) even without (sic!) optimization. "The usual" playing with compiler options or changes to the source files had no effect.
I consider this to be a bug in the compiler. A work-around may be to switch to Clang as C++ compiler.
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Comments (5)
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reporter - removed comment
No, but I don't have any indications that either gcc or clang would have problems. Clang is preferred, since it supports the BGQ vector instructions much better.
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Is this still an issue with the current code in GRHydro? Do we still have access to a blue gene/q system?
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reporter - removed comment
I have not tested on BGQ recently, but I just renewed my ANL account where I have access to a BQQ.
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There's no more BG/Qs around.
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Is it known whether gcc works?