Reducing GPU offload latency via fine-grained CPU-GPU synchronization

Authors:
Daniel Lustig;Margaret Martonosi
Affiliations:
Princeton University, USA;Princeton University, USA
Venue:
HPCA '13 Proceedings of the 2013 IEEE 19th International Symposium on High Performance Computer Architecture (HPCA)
Year:
2013

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Abstract

GPUs are seeing increasingly widespread use for general purpose computation due to their excellent performance for highly-parallel, throughput-oriented applications. For many workloads, however, the performance benefits of offloading are hindered by the large and unpredictable overheads of launching GPU kernels and of transferring data between CPU and GPU.