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Is global synchronization in OpenCL possible?

Question asked by papercompute on May 13, 2015
Latest reply on May 17, 2015 by realhet

Hello everyone!


As well known OpenCL barrier() function works only for single workgroup, and there is no direct possibility to synchronize workgroups. If it possible what's best approach for global synchronization today? Using atomics, OpenCL 2.0 features, etc.?