Výsledky vyhledávání - "Bob Cernohous"

A Modern Fortran Interface in OpenSHMEM Need for Interoperability with Parallel Fortran Using Coarrays

Autor: Naveen Namashivayam, Bill Long, Bob Cernohous, Deepak Eachempati, Mark Pagel

Publikováno v: ACM Transactions on Parallel Computing. 7:1-25

Languages and libraries based on Partitioned Global Address Space (PGAS) programming models are convenient for exploiting scalable parallelism on large applications across different domains with irregular memory access patterns. OpenSHMEM is a PGAS-b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98db6d64d1f0ae4e19c13f3fe52bc7ed
https://doi.org/10.1145/3418084

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Introducing Cray OpenSHMEMX - A Modular Multi-communication Layer OpenSHMEM Implementation

Autor: Naveen Namashivayam, Bob Cernohous, Mark Pagel, Dan Pou

Publikováno v: OpenSHMEM and Related Technologies. OpenSHMEM in the Era of Extreme Heterogeneity ISBN: 9783030049171
OpenSHMEM

SHMEM has a long history as a parallel programming model. It is extensively used since 1993, starting from Cray T3D systems. For the past two decades SHMEM library implementation in Cray systems evolved through different generations. The current gene

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7446043c1a0fd0209e8d98b44b37b485
https://doi.org/10.1007/978-3-030-04918-8_3

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Symmetric Memory Partitions in OpenSHMEM: A Case Study with Intel KNL

Autor: Naveen Namashivayam, James Dinan, Krishna Kandalla, Mark Pagel, Joseph Robichaux, Dan Pou, Bob Cernohous

Publikováno v: Lecture Notes in Computer Science ISBN: 9783319738130
OpenSHMEM

To extract best performance from emerging tiered memory systems, it is essential for applications to use the different kinds of memory available on the system. OpenSHMEM memory model consists of data objects that are private to each Processing Elemen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f0eb67791201ac644fc3fdad4984ef9
https://doi.org/10.1007/978-3-319-73814-7_1

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An Evaluation of Thread-Safe and Contexts-Domains Features in Cray SHMEM

Autor: Mark Pagel, Bob Cernohous, Naveen Namashivayam, Nick Radcliffe, David Knaak

Publikováno v: OpenSHMEM and Related Technologies. Enhancing OpenSHMEM for Hybrid Environments ISBN: 9783319509945
OpenSHMEM

There is increasing use of multithreading in High Performance Computing (HPC) programs in order to maximize the use of hardware resources of multi-core compute nodes. The latest version of the OpenSHMEM API Specification does not standardize the inte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbb700d0172b088abef3b83ee70b7382
https://doi.org/10.1007/978-3-319-50995-2_11

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Lustre Lockahead: Early experience and performance using optimized locking

Autor: Bob Cernohous, Patrick Farrell, Michael Moore

Publikováno v: Concurrency and Computation: Practice and Experience. 30:e4332

Summary Recent Cray-authored Lustre modifications known as Lustre Lockahead show significantly improved write performance for collective, shared-file I/O workloads. Initial tests show write performance improvements of more than 200% for small transfe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c99cd029da164fea52a3fd7089b20a7
https://doi.org/10.1002/cpe.4332

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