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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2009, 2010-2011 Université de Bordeaux 1
* Copyright (C) 2010, 2011, 2012 Centre National de la Recherche Scientifique
* Copyright (C) 2011 Télécom-SudParis
*
* StarPU is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* StarPU is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* See the GNU Lesser General Public License in COPYING.LGPL for more details.
*/
#include "lu_kernels_model.h"
/*
* As a convention, in that file, buffers[0] is represented by A,
* buffers[1] is B ...
*/
/*
* Number of flops of Gemm
*/
/* #define USE_PERTURBATION 1 */
#ifdef USE_PERTURBATION
#define PERTURBATE(a) ((starpu_drand48()*2.0f*(AMPL) + 1.0f - (AMPL))*(a))
#else
#define PERTURBATE(a) (a)
#endif
/*
*
* Generic models
*
*/
double task_11_cost(struct starpu_task *task, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
double cost = ((n*n*n)/537.5);
return PERTURBATE(cost);
}
double task_12_cost(struct starpu_task *task, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
/* double cost = ((n*n*n)/1744.695); */
double cost = ((n*n*n)/3210.80);
/* fprintf(stderr, "task 12 predicts %e\n", cost); */
return PERTURBATE(cost);
}
double task_21_cost(struct starpu_task *task, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
/* double cost = ((n*n*n)/1744.695); */
double cost = ((n*n*n)/3691.53);
/* fprintf(stderr, "task 12 predicts %e\n", cost); */
return PERTURBATE(cost);
}
double task_22_cost(struct starpu_task *task, unsigned nimpl)
{
uint32_t nx, ny, nz;
nx = starpu_matrix_get_nx(task->handles[2]);
ny = starpu_matrix_get_ny(task->handles[2]);
nz = starpu_matrix_get_ny(task->handles[0]);
double cost = ((nx*ny*nz)/4110.0);
return PERTURBATE(cost);
}
/*
*
* Models for CUDA
*
*/
double task_11_cost_cuda(struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
double cost = ((n*n*n)/1853.7806);
/* printf("CUDA task 11 ; predict %e\n", cost); */
return PERTURBATE(cost);
}
double task_12_cost_cuda(struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
double cost = ((n*n*n)/42838.5718);
/* printf("CUDA task 12 ; predict %e\n", cost); */
return PERTURBATE(cost);
}
double task_21_cost_cuda(struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
double cost = ((n*n*n)/49208.667);
/* printf("CUDA task 21 ; predict %e\n", cost); */
return PERTURBATE(cost);
}
double task_22_cost_cuda(struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
{
uint32_t nx, ny, nz;
nx = starpu_matrix_get_nx(task->handles[2]);
ny = starpu_matrix_get_ny(task->handles[2]);
nz = starpu_matrix_get_ny(task->handles[0]);
double cost = ((nx*ny*nz)/57523.560);
/* printf("CUDA task 22 ; predict %e\n", cost); */
return PERTURBATE(cost);
}
/*
*
* Models for CPUs
*
*/
double task_11_cost_cpu(struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
double cost = ((n*n*n)/537.5);
/* printf("CPU task 11 ; predict %e\n", cost); */
return PERTURBATE(cost);
}
double task_12_cost_cpu(struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
double cost = ((n*n*n)/6668.224);
/* printf("CPU task 12 ; predict %e\n", cost); */
return PERTURBATE(cost);
}
double task_21_cost_cpu(struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
{
uint32_t n;
n = starpu_matrix_get_nx(task->handles[0]);
double cost = ((n*n*n)/6793.8423);
/* printf("CPU task 21 ; predict %e\n", cost); */
return PERTURBATE(cost);
}
double task_22_cost_cpu(struct starpu_task *task, enum starpu_perf_archtype arch, unsigned nimpl)
{
uint32_t nx, ny, nz;
nx = starpu_matrix_get_nx(task->handles[2]);
ny = starpu_matrix_get_ny(task->handles[2]);
nz = starpu_matrix_get_ny(task->handles[0]);
double cost = ((nx*ny*nz)/4203.0175);
/* printf("CPU task 22 ; predict %e\n", cost); */
return PERTURBATE(cost);
}
struct starpu_perfmodel model_11 =
{
.cost_function = task_11_cost,
.per_arch =
{
[STARPU_CPU_DEFAULT][0] = { .cost_function = task_11_cost_cpu },
[STARPU_CUDA_DEFAULT][0] = { .cost_function = task_11_cost_cuda }
},
.type = STARPU_HISTORY_BASED,
#ifdef STARPU_ATLAS
.symbol = "lu_model_11_atlas"
#elif defined(STARPU_GOTO)
.symbol = "lu_model_11_goto"
#else
.symbol = "lu_model_11"
#endif
};
struct starpu_perfmodel model_12 =
{
.cost_function = task_12_cost,
.per_arch =
{
[STARPU_CPU_DEFAULT][0] = { .cost_function = task_12_cost_cpu },
[STARPU_CUDA_DEFAULT][0] = { .cost_function = task_12_cost_cuda }
},
.type = STARPU_HISTORY_BASED,
#ifdef STARPU_ATLAS
.symbol = "lu_model_12_atlas"
#elif defined(STARPU_GOTO)
.symbol = "lu_model_12_goto"
#else
.symbol = "lu_model_12"
#endif
};
struct starpu_perfmodel model_21 =
{
.cost_function = task_21_cost,
.per_arch =
{
[STARPU_CPU_DEFAULT][0] = { .cost_function = task_21_cost_cpu },
[STARPU_CUDA_DEFAULT][0] = { .cost_function = task_21_cost_cuda }
},
.type = STARPU_HISTORY_BASED,
#ifdef STARPU_ATLAS
.symbol = "lu_model_21_atlas"
#elif defined(STARPU_GOTO)
.symbol = "lu_model_21_goto"
#else
.symbol = "lu_model_21"
#endif
};
struct starpu_perfmodel model_22 =
{
.cost_function = task_22_cost,
.per_arch =
{
[STARPU_CPU_DEFAULT][0] = { .cost_function = task_22_cost_cpu },
[STARPU_CUDA_DEFAULT][0] = { .cost_function = task_22_cost_cuda }
},
.type = STARPU_HISTORY_BASED,
#ifdef STARPU_ATLAS
.symbol = "lu_model_22_atlas"
#elif defined(STARPU_GOTO)
.symbol = "lu_model_22_goto"
#else
.symbol = "lu_model_22"
#endif
};
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