HPF Extensions of MEDEA for the performance analysis of HPF benchmarks
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Implementation and evaluation of HPF/SX V2
We are developing HPF/SX V2, an HPF compiler for vector parallel machines. It provides some unique extensions as well as the features of HPF 2.0 and HPF/JA. This paper describes in particular four of them: 1) the ON directive of HPF 2.0, 2) the REFLECT and LOCAL directives of HPF/JA, 3) vectorization directives, and 4) automatic parallelization. We evaluated these features through some benchmar...
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VPP Fortran is a data parallel language, that has been designed for the VPP series of supercomputers. In addition to pure data parallelism, it contains certain low-level features that were designed to extract high performance from user programs. A comparison of VPP Fortran and HPF 2.0 shows that these low-level features are not available in HPF 2.0. The features include asynchronous inter-proce...
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HPF is a data parallel Fortran dialect currently implemented on diverse hardware platforms ranging from workstations to massively parallel processors. To date, performance data are sparse. We will present preliminary measurements of selected benchmarks, comparing HPF applications against equivalent SPMD implementations and the same HPF implementation running with diierent compilers on diierent ...
متن کاملHigh Performance Fortran 2.0
High Performance Fortran (HPF) is an informal standard for extensions to Fortran to assist its implementation on parallel architectures, particularly for data-parallel computation. Among other things, it includes directives for expressing data distribution across multiple memories, extra facilities for expressing data parallel and concurrent execution, and a mechanism for interfacing HPF to oth...
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تاریخ انتشار 1997