Source code for tvb.simulator.backend.cu
# -*- coding: utf-8 -*-
#
#
# TheVirtualBrain-Scientific Package. This package holds all simulators, and
# analysers necessary to run brain-simulations. You can use it stand alone or
# in conjunction with TheVirtualBrain-Framework Package. See content of the
# documentation-folder for more details. See also http://www.thevirtualbrain.org
#
# (c) 2012-2024, Baycrest Centre for Geriatric Care ("Baycrest") and others
#
# This program is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later version.
# This program 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 General Public License for more details.
# You should have received a copy of the GNU General Public License along with this
# program. If not, see <http://www.gnu.org/licenses/>.
#
#
# CITATION:
# When using The Virtual Brain for scientific publications, please cite it as explained here:
# https://www.thevirtualbrain.org/tvb/zwei/neuroscience-publications
#
#
"""
A CUDA backend which uses templating to generate simulation
code, with PyCUDA as the driver.
.. moduleauthor:: Marmaduke Woodman <marmaduke.woodman@univ-amu.fr>
"""
try:
import pycuda
import pycuda.autoinit
from pycuda.compiler import SourceModule
import pycuda.driver as drv
from pycuda.driver import Out, In, InOut
pycuda_available = True
except Exception as exc:
pycuda_available = False
from .templates import MakoUtilMix
[docs]
class CuBackend(MakoUtilMix):
[docs]
def build_func(self, template_source, content, name='kernel', print_source=False):
"Build and retrieve a Python function from template."
source = self.render_template(template_source, content)
if print_source:
print(source)
try:
module = SourceModule(source)
except pycuda.driver.CompileError as exc:
print(self.insert_line_numbers(source))
raise exc
func = module.get_function(name)
return func