Supporting the Global Arrays PGAS Model Using MPI One-Sided Communication

被引：25

作者：

Dinan, James ^{[1
]}

Balaji, Pavan ^{[1
]}

Hammond, Jeff R. ^{[1
]}

Krishnamoorthy, Sriram ^{[2
]}

Tipparaju, Vinod

机构：

[1] Argonne Natl Lab, Argonne, IL 60439 USA

[2] Pacific Northwest Natl Lab, Richland, WA 99354 USA

来源：

2012 IEEE 26TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS) | 2012年

关键词：

One-sided communication; Global address space; MPI; Global Arrays; ARMCI; NWChem;

D O I：

10.1109/IPDPS.2012.72

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

The industry-standard Message Passing Interface (MPI) provides one-sided communication functionality and is available on virtually every parallel computing system. However, it is believed that MPI's one-sided model is not rich enough to support higher-level global address space parallel programming models. We present the first successful application of MPI one-sided communication as a runtime system for a PGAS model, Global Arrays (GA). This work has an immediate impact on users of GA applications, such as NWChem, who often must wait several months to a year or more before GA becomes available on a new architecture. We explore challenges present in the application of MPI-2 to PGAS models and motivate new features in the upcoming MPI-3 standard. The performance of our system is evaluated on several popular high-performance computing architectures through communication benchmarking and application benchmarking using the NWChem computational chemistry suite.

引用

页码：739 / 750

页数：12

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