Are Relaxed atomic loads and stores on GPUs any more expensive than unsynchronized global loads and stores? https://www.cl.cam.ac.uk/~pes20/cpp/cpp0xmappings.html … suggests the only CPU arch where there's a difference is Itanium.
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Maybe this is good context for NVIDIA GPUs and atomics:https://www.youtube.com/watch?v=VogqOscJYvk …
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And this, if you prefer a paper:https://github.com/NVlabs/ptxmemorymodel/blob/master/PTXMemoryModelASPLOS2019.pdf …
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