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

Technical Report · Mon Jan 31 23:00:00 EST 2000

DOI:https://doi.org/10.2172/751602· OSTI ID:751602

STURTEVANT, JUDITH E ^[1]; CHEN, PANG-CHIEH; HEERMANN, PHILIP D; CHRISTON, MARK A; GREENBERG, DAVID S

---

1. Sandia National Laboratories

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.

• Research Organization: Sandia National Labs., Albuquerque, NM (US); Sandia National Labs., Livermore, CA (US)
• Sponsoring Organization: US Department of Energy (US)
• DOE Contract Number: AC04-94AL85000
• OSTI ID: 751602
• Report Number(s): SAND2000-0326
• Country of Publication: United States
• Language: English

Related Subjects

99 GENERAL AND MISCELLANEOUS
DATA TRANSMISSION
E CODES
FINITE ELEMENT METHOD
MEMORY DEVICES
MESH GENERATION
PARALLEL PROCESSING
PROGRAMMING LANGUAGES