Qthreads

The Qthreads API is designed to make using large numbers of threads convenient and easy, and to allow portable access to threading constructs used in massively parallel shared memory environments. The API maps well to both MTA-style threading and PIM-style threading, and we provide an implementation of this interface in both a standard SMP context as well as the SST context. The qthreads API provides access to full/empty-bit (FEB) semantics, where every word of memory can be marked either full or empty, and a thread can wait for any word to attain either state.

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Contact
Olivier, Stephen Lecler, slolivi@sandia.gov