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In this paper, we present our work to enable optimized one-sided communication operations on the ARM v8 architecture using a high-performance InfiniBand network interconnect, as well as an evaluation of our implementation. For this study, we started with an OpenSHMEM implementation based on Open MPI/SHMEM, and combined it with the UCX framework and the XPMEM kernel extension for shared memory communication...
In this paper we explore the performance portability of directives provided by OpenMP 4 and OpenACC to program various types of node architectures with attached accelerators, both self-hosted multicore and offload multicore/GPU. Our goal is to examine how successful OpenACC and the newer offload features of OpenMP 4.5 are for moving codes between architectures, how much tuning might be required and...
This paper presents Unified Communication X (UCX), a set of network APIs and their implementations for high throughput computing. UCX comes from the combined effort of national laboratories, industry, and academia to design and implement a high-performing and highly-scalable network stack for next generation applications and systems. UCX design provides the ability to tailor its APIs and network functionality...
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