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Turning control flow graphs into function calls: Code generation for heterogeneous architectures

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5 Author(s)
Pablo Barrio ; E.T.S.I. Telecomunicación, Universidad Politècnica de Madrid ; Carlos Carreras ; Roberto Sierra ; Tobias Kenter
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Heterogeneous machines are gaining momentum in the High Performance Computing field, due to the theoretical speedups and power consumption. In practice, while some applications meet the performance expectations, heterogeneous architectures still require a tremendous effort from the application developers. This work presents a code generation method to port codes into heterogeneous platforms, based on transformations of the control flow into function calls. The results show that the cost of the function-call mechanism is affordable for the tested HPC kernels. The complete toolchain, based on the LLVM compiler infrastructure, is fully automated once the sequential specification is provided.

Published in:

High Performance Computing and Simulation (HPCS), 2012 International Conference on

Date of Conference:

2-6 July 2012