Physics – Accelerator Physics
Scientific paper
2012-02-09
Physics
Accelerator Physics
6 pp. Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo SNA + MC2010, 17-21 Oct 2010: T
Scientific paper
A new parallel computing framework has been developed to use with general-purpose radiation transport codes. The framework was implemented as a C++ module that uses MPI for message passing. The module is significantly independent of radiation transport codes it can be used with, and is connected to the codes by means of a number of interface functions. The frame work was integrated with the MARS15 code, and an effort is under way to deploy it in PHITS. Besides the parallel computing functionality, the framework offers a checkpoint facility that allows restarting calculations with a saved checkpoint file. The checkpoint facility can be used in single process calculations as well as in the parallel regime. Several checkpoint files can be merged into one thus combining results of several calculations. The framework also corrects some of the known problems with the sch eduling and load balancing found in the original implementations of the parallel computing functionality in MARS15 and PHITS. The framework can be used efficiently on homogeneous systems and networks of workstations, where the interference from the other users is possible.
Kostin M. A.
Mokhov Nikolai V.
Niita Koji
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