%T Fine\-grained global control constructs for parallel programming environments
%A Marek Tudruj
%E André W. P. Bakkers
%B Proceedings of WoTUG\-20: Parallel Programming and Java
%X Problems of evolved control in fine\-grained parallel
programs in distributed memory systems are discussed in the
paper. Global control constructs are proposed which
logically bind program modules, assign them to worker
processors and define the involved flow of control.
Implementation methods are discussed which assume control
flow processing decoupled from data processing inside
executive modules. The proposed constructs are extensions of
the OCCAM 2 language. They can be incorporated into an
intermediate code generated by a parallel language compiler
or can be used by a programmer to define control flow
between fine\-grained program modules assigned to different
processors. Architectural requirements for efficient
implementation of the proposed control constructs are
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