Communications of the ACM
Consistent global states of distributed systems: fundamental concepts and mechanisms
Distributed systems (2nd Ed.)
Interrupt and Cancellation as Synchronization Methods
PPAM '01 Proceedings of the th International Conference on Parallel Processing and Applied Mathematics-Revised Papers
Detecting global predicates in distributed systems with clocks
Distributed Computing
Global predicate monitoring applied for control of parallel irregular computations
PDP '07 Proceedings of the 15th Euromicro International Conference on Parallel, Distributed and Network-Based Processing
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The paper discusses implementation issues of a distributed program design tool based on monitoring of application global states. It is shown how the experience from the PS-GRADE parallel program design tool with controlling distributed programs at the process level, based on the extensive use of signals, can be transferred at the level of threads. A programming technique is proposed to combine the use of process level communication libraries like MPI or sockets with the use of thread level libraries like OpenMP or pthreads. It enables designing a graphical parallel program development framework which uses signals at the level of distributed threads executed in multiple cores of processors. Viable implementation of global state monitoring and involved control data transmissions at the level of threads are discussed.