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Fix failure on systems with multiple OpenCL platforms #290

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Aug 23, 2024
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Fix failure on systems with multiple OpenCL platforms #290

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Fix failure on systems with multiple OpenCL platforms 
No need to fail hard and exist if there are multiple OpenCL platforms
and some of them don't have any device. Only fail if there are no
devices for any platform.

This can happen e.g. if support for both Intel and AMD GPU is installed.
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@proski
proski committed Aug 23, 2024
commit dbd28f2756d6d51ee89826d083622005a64c05ef
5 changes: 4 additions & 1 deletion src/clwrap.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -97,7 +97,10 @@ vector<cl_device_id> getAllDeviceIDs() {
// log("platform %d\n", i);
unsigned n = 0;
auto kind = false ? CL_DEVICE_TYPE_GPU : CL_DEVICE_TYPE_ALL;
CHECK1(clGetDeviceIDs(platforms[i], kind, 64, devices, &n));
err = clGetDeviceIDs(platforms[i], kind, 64, devices, &n);
if (err != CL_SUCCESS) {
continue;
}
for (unsigned k = 0; k < n; ++k) { ret.push_back(devices[k]); }
}
return ret;
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