StarPU Internal Handbook

starpu_parameters.h
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1/* StarPU --- Runtime system for heterogeneous multicore architectures.
2 *
3 * Copyright (C) 2011-2021 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4 * Copyright (C) 2013 Thibaut Lambert
5 *
6 * StarPU is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation; either version 2.1 of the License, or (at
9 * your option) any later version.
10 *
11 * StarPU is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 *
15 * See the GNU Lesser General Public License in COPYING.LGPL for more details.
16 */
17
18#ifndef _STARPU_PARAMETERS_H
19#define _STARPU_PARAMETERS_H
20
23/* Parameters which are not worth being added to ./configure options, but
24 * still interesting to easily change */
25
26/* Assumed relative performance ratios */
27/* TODO: benchmark a bit instead */
28#define _STARPU_CPU_ALPHA 1.0f
29#define _STARPU_CUDA_ALPHA 13.33f
30#define _STARPU_OPENCL_ALPHA 12.22f
31#define _STARPU_MIC_ALPHA 0.5f
32#define _STARPU_MPI_MS_ALPHA 1.0f
33#endif /* _STARPU_PARAMETERS_H */