PDS/PIO: Lightweight libraries for collective parallel I/O

STURTEVANT,JUDITH E. ; CHEN,PANG-CHIEH ; HEERMANN,PHILIP D. ; CHRISTON,MARK A. ; GREENBERG,DAVID S.

Sandia National Laboratories

关键词: Programming Languages;    99 General And Miscellaneous//Mathematics, Computing, And Information Science;    Mesh Generation;    Parallel Processing;    Finite Element Method;   

DOI  :  10.2172/751602
RP-ID  :  SAND2000-0326
RP-ID  :  AC04-94AL85000
RP-ID  :  751602

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来源: UNT Digital Library

【 摘 要 】

PDS/PIO is a lightweight, parallel interface designed to support efficient transfers of massive, grid-based, simulation data among memory, disk, and tape subsystems. The higher-level PDS (Parallel Data Set) interface manages data with tensor and unstructured grid abstractions, while the lower-level PIO (Parallel Input/Output) interface accesses data arrays with arbitrary permutation, and provides communication and collective I/O operations. Higher-level data abstraction for finite element applications is provided by PXI (Parallel Exodus Interface), which supports, in parallel, functionality of Exodus II, a finite element data model developed at Sandia National Laboratories. The entire interface is implemented in C with Fortran-callable PDS and PXI wrappers.