An Accelerator for Resolution Proof Checking based on FPGA and Hybrid Memory Cube Technology

T. Hansmeier, M. Platzner, M.J.H. Pantho, D. Andrews, Journal of Signal Processing Systems (2019).

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Journal Article | Published | English
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Abstract
Modern Boolean satisfiability solvers can emit proofs of unsatisfiability. There is substantial interest in being able to verify such proofs and also in using them for further computations. In this paper, we present an FPGA accelerator for checking resolution proofs, a popular proof format. Our accelerator exploits parallelism at the low level by implementing the basic resolution step in hardware, and at the high level by instantiating a number of parallel modules for proof checking. Since proof checking involves highly irregular memory accesses, we employ Hybrid Memory Cube technology for accelerator memory. The results show that while the accelerator is scalable and achieves speedups for all benchmark proofs, performance improvements are currently limited by the overhead of transitioning the proof into the accelerator memory.
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Journal of Signal Processing Systems
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Hansmeier T, Platzner M, Pantho MJH, Andrews D. An Accelerator for Resolution Proof Checking based on FPGA and Hybrid Memory Cube Technology. Journal of Signal Processing Systems. 2019. doi:10.1007/s11265-018-1435-y
Hansmeier, T., Platzner, M., Pantho, M. J. H., & Andrews, D. (2019). An Accelerator for Resolution Proof Checking based on FPGA and Hybrid Memory Cube Technology. Journal of Signal Processing Systems. https://doi.org/10.1007/s11265-018-1435-y
@article{Hansmeier_Platzner_Pantho_Andrews_2019, title={An Accelerator for Resolution Proof Checking based on FPGA and Hybrid Memory Cube Technology}, DOI={10.1007/s11265-018-1435-y}, journal={Journal of Signal Processing Systems}, author={Hansmeier, Tim and Platzner, Marco and Pantho, Md Jubaer Hossain and Andrews, David}, year={2019} }
Hansmeier, Tim, Marco Platzner, Md Jubaer Hossain Pantho, and David Andrews. “An Accelerator for Resolution Proof Checking Based on FPGA and Hybrid Memory Cube Technology.” Journal of Signal Processing Systems, 2019. https://doi.org/10.1007/s11265-018-1435-y.
T. Hansmeier, M. Platzner, M. J. H. Pantho, and D. Andrews, “An Accelerator for Resolution Proof Checking based on FPGA and Hybrid Memory Cube Technology,” Journal of Signal Processing Systems, 2019.
Hansmeier, Tim, et al. “An Accelerator for Resolution Proof Checking Based on FPGA and Hybrid Memory Cube Technology.” Journal of Signal Processing Systems, 2019, doi:10.1007/s11265-018-1435-y.

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