The OpenMP Memory Model

Conference · Wed Jun 01 00:00:00 EDT 2005

DOI:https://doi.org/10.1007/978-3-540-68555-5_14· OSTI ID:15016591

Hoeflinger, J P; de Supinski, B R

The memory model of OpenMP has been widely misunderstood since the first OpenMP specification was published in 1997 (Fortran 1.0). The proposed OpenMP specification (version 2.5) includes a memory model section to address this issue. This section unifies and clarifies the text about the use of memory in all previous specifications, and relates the model to well-known memory consistency semantics. In this paper, we discuss the memory model and show its implications for future distributed shared memory implementations of OpenMP.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• Sponsoring Organization: US Department of Energy (US)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 15016591
• Report Number(s): UCRL-CONF-212641; TRN: US200515%%265
• Resource Relation: Journal Volume: 4315; Conference: Presented at: First International Workshop on OpenMP, Eugene, OR (US), 06/01/2005--06/04/2005; Other Information: PBD: 1 Jun 2005
• Country of Publication: United States
• Language: English

Related Subjects

99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
FORTRAN
SPECIFICATIONS
COMPUTERS