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Yeah, I am not sure what the root cause of that bug is now. All I know is that the reduction test can deadlock, and it just uses a normal reduction. We need to find the root cause. |
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I think this should fix it, I tried running the reductions on my computer 100 times and the hangs/segfaults seem to go away. This just clears the CmiReduction structs properly in CmiClearReduction. |
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I got a segmentation fault with this branch. |
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Also this error reconverse_reduction: ../src/concurrentqueue.h:3408: moodycamel::ConcurrentQueue<T, Traits>::ImplicitProducer* moodycamel::ConcurrentQueue<T, Traits>::get_or_add_implicit_producer() [with T = void*; Traits = moodycamel::ConcurrentQueueDefaultTraits]: Assertion `mainHash != nullptr' failed. |
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There's a bug in the node reduction logic that appears to be fixed by setting the reduction id correctly. But I am not sure about the bug mentioned in issue #135. I don't know how that can be a bug, CpvAccess only accesses thread-private variables. Also, this logic is based off the old Converse implementation. @JiakunYan Did you mean that the bug has to do with node reductions (which I have seen fail in the CI before)? I haven't seen issues with regular reductions.