Performance of Piston on the Ap1000
نویسندگان
چکیده
PISTON is a machine independent software framework for developing scientiic applications on parallel computers. It presents a consistent data-parallel distributed memory model across a wide range of architectures. It has been implemented on the Fujitsu AP1000 as well as on SIMD and SMP machines. This paper brieey describes the implementation of PISTON on the AP1000 and presents timing results and analysis for that implementation. Overheads such as the time taken for data redistribution and for negotiation of data type and layout are presented for an example terrain rendering application originally written to run under PISTON on the MasPar MP-1. The results identify areas in which the performance of PISTON on the AP1000 could be optimized.
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