Abstract
We have implemented the leading-color n-gluon amplitudes using the Berends–Giele recursion relations on a multi-threaded GPU. Speed-up factors between 150 and 300 are obtained compared to the CPU-based implementation of the same event generator. In this first paper, we study the feasibility of a GPU-based event generator with an emphasis on the constraints imposed by the hardware. Some studies of Monte Carlo convergence and accuracy are presented for PP→2,…,10 jet observables using of the order of 1011 events.
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Giele, W.T., Stavenga, G.C. & Winter, J. Thread-scalable evaluation of multi-jet observables. Eur. Phys. J. C 71, 1703 (2011). https://doi.org/10.1140/epjc/s10052-011-1703-5
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DOI: https://doi.org/10.1140/epjc/s10052-011-1703-5