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2022-07-01
Matri, Pierre, Ross, Robert.  2021.  Neon: Low-Latency Streaming Pipelines for HPC. 2021 IEEE 14th International Conference on Cloud Computing (CLOUD). :698—707.
Real time data analysis in the context of e.g. realtime monitoring or computational steering is an important tool in many fields of science, allowing scientists to make the best use of limited resources such as sensors and HPC platforms. These tools typically rely on large amounts of continuously collected data that needs to be processed in near-real time to avoid wasting compute, storage, and networking resources. Streaming pipelines are a natural fit for this use case but are inconvenient to use on high-performance computing (HPC) systems because of the diverging system software environment with big data, increasing both the cost and the complexity of the solution. In this paper we propose Neon, a clean-slate design of a streaming data processing framework for HPC systems that enables users to create arbitrarily large streaming pipelines. The experimental results on the Bebop supercomputer show significant performance improvements compared with Apache Storm, with up to 2x increased throughput and reduced latency.
2019-11-25
Cassagne, Adrien, Aumage, Olivier, Barthou, Denis, Leroux, Camille, Jégo, Christophe.  2018.  MIPP: A Portable C++ SIMD Wrapper and Its Use for Error Correction Coding in 5G Standard. Proceedings of the 2018 4th Workshop on Programming Models for SIMD/Vector Processing. :2:1–2:8.
Error correction code (ECC) processing has so far been performed on dedicated hardware for previous generations of mobile communication standards, to meet latency and bandwidth constraints. As the 5G mobile standard, and its associated channel coding algorithms, are now being specified, modern CPUs are progressing to the point where software channel decoders can viably be contemplated. A key aspect in reaching this transition point is to get the most of CPUs SIMD units on the decoding algorithms being pondered for 5G mobile standards. The nature and diversity of such algorithms requires highly versatile programming tools. This paper demonstrates the virtues and versatility of our MIPP SIMD wrapper in implementing a high performance portfolio of key ECC decoding algorithms.