mirror of
https://github.com/smyalygames/FiniteVolumeGPU.git
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126 lines
2.9 KiB
Python
126 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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This python module implements simulations for benchmarking
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Copyright (C) 2018 SINTEF ICT
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import numpy as np
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import gc
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import logging
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import os
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# CUDA
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import pycuda.driver as cuda
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# Simulator engine etc
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from GPUSimulators import Common, CudaContext
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from GPUSimulators import EE2D_KP07_dimsplit
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from GPUSimulators.helpers import InitialConditions as IC
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from GPUSimulators.Simulator import BoundaryCondition as BC
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import argparse
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parser = argparse.ArgumentParser(description='Single GPU testing.')
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parser.add_argument('-nx', type=int, default=128)
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parser.add_argument('-ny', type=int, default=128)
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args = parser.parse_args()
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####
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# Initialize logging
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####
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log_level_console = 20
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log_level_file = 10
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log_filename = 'single_gpu.log'
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logger = logging.getLogger('GPUSimulators')
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logger.setLevel(min(log_level_console, log_level_file))
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ch = logging.StreamHandler()
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ch.setLevel(log_level_console)
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logger.addHandler(ch)
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logger.info("Console logger using level %s",
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logging.getLevelName(log_level_console))
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fh = logging.FileHandler(log_filename)
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formatter = logging.Formatter(
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'%(asctime)s:%(name)s:%(levelname)s: %(message)s')
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fh.setFormatter(formatter)
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fh.setLevel(log_level_file)
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logger.addHandler(fh)
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logger.info("File logger using level %s to %s",
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logging.getLevelName(log_level_file), log_filename)
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####
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# Initialize CUDA
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####
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cuda.init(flags=0)
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logger.info("Initializing CUDA")
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cuda_context = CudaContext.CudaContext(autotuning=False)
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####
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# Set initial conditions
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####
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logger.info("Generating initial conditions")
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nx = args.nx
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ny = args.ny
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gamma = 1.4
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save_times = np.linspace(0, 10.0, 2)
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outfile = "single_gpu_out.nc"
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save_var_names = ['rho', 'rho_u', 'rho_v', 'E']
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arguments = IC.genKelvinHelmholtz(nx, ny, gamma)
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arguments['context'] = cuda_context
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arguments['theta'] = 1.2
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####
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# Run simulation
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####
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logger.info("Running simulation")
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# Helper function to create MPI simulator
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def genSim(**kwargs):
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local_sim = EE2D_KP07_dimsplit.EE2D_KP07_dimsplit(**kwargs)
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return local_sim
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outfile = Common.runSimulation(
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genSim, arguments, outfile, save_times, save_var_names)
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####
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# Clean shutdown
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####
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local_sim = None
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cuda_context = None
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arguments = None
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logging.shutdown()
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gc.collect()
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####
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# Print completion and exit
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####
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print("Completed!")
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exit(0)
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