Cooperative heterogeneous computing for parallel processing on CPU/GPU hybrids

Authors:
Changmin Lee;Won W. Ro;Jean-Luc Gaudiot
Affiliations:
School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Republic of Korea;School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Republic of Korea;Department of Electrical Engineering and Computer Science, University of California, Irvine, 92697-2625, USA
Venue:
INTERACT '12 Proceedings of the 2012 16th Workshop on Interaction between Compilers and Computer Architectures (INTERACT)
Year:
2012

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Dynamic Partitioning-based JPEG Decompression on Heterogeneous Multicore Architectures

Proceedings of Programming Models and Applications on Multicores and Manycores

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Abstract

This paper presents a cooperative heterogeneous computing framework which enables the efficient utilization of available computing resources of host CPU cores for CUDA kernels, which are designed to run only on GPU. The proposed system exploits at runtime the coarse-grain thread-level parallelism across CPU and GPU, without any source recompilation. To this end, three features including a work distribution module, a transparent memory space, and a global scheduling queue are described in this paper. With a completely automatic runtime workload distribution, the proposed framework achieves speedups as high as 3.08 compared to the baseline GPU-only processing.