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Allow usage of non-gpu devices with OpenCL.

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This is needed to use the CPU backend of PoCL http://portablecl.org/
which seems handy for debugging.
This commit is contained in:
Markus Blatt 2021-02-09 10:42:02 +01:00
parent 7862f7d56d
commit 00df3d06c2
1 changed files with 10 additions and 5 deletions
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15
opm/simulators/linalg/bda/openclSolverBackend.cpp
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@ -89,10 +89,8 @@ openclSolverBackend<block_size>::openclSolverBackend(int verbosity_, int maxit_,
out.clear();
}
cl_context_properties properties[] = {CL_CONTEXT_PLATFORM, (cl_context_properties)(platforms[platformID])(), 0};
context.reset(new cl::Context(CL_DEVICE_TYPE_GPU, properties));
platforms[platformID].getDevices(CL_DEVICE_TYPE_ALL, &devices);
devices = context->getInfo<CL_CONTEXT_DEVICES>();
if (devices.size() == 0){
OPM_THROW(std::logic_error, "Error openclSolver is selected but no OpenCL devices are found");
}
@ -168,8 +166,15 @@ openclSolverBackend<block_size>::openclSolverBackend(int verbosity_, int maxit_,
out.clear();
}
cl::Event event;
queue.reset(new cl::CommandQueue(*context, devices[deviceID], 0, &err));
// removed all unused devices
if (deviceID != 0)
{
devices[0] = devices[deviceID];
}
devices.resize(1);
context = std::make_shared<cl::Context>(devices[0]);
queue.reset(new cl::CommandQueue(*context, devices[0], 0, &err));
} catch (const cl::Error& error) {
std::ostringstream oss;