CoreTSAR: Core Task-Size Adapting Runtime
IEEE Transactions on Parallel and Distributed Systems(2015)
摘要
Heterogeneity continues to increase at all levels of computing, with the rise of accelerators such as GPUs, FPGAs, and other coprocessors into everything from desktops to supercomputers. As a consequence, efficiently managing such disparate resources has become increasingly complex. CoreTSAR seeks to reduce this complexity by adaptively worksharing parallel-loop regions across compute resources without requiring any transformation of the code within the loop. Our results show performance improvements of up to three-fold over a current state-of-the-art heterogeneous task scheduler as well as linear performance scaling from a single GPU to four GPUs for many codes. In addition, CoreTSAR demonstrates a robust ability to adapt to both a variety of workloads and underlying system configurations.
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关键词
programming,computational modeling,schedules,memory management,acceleration
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