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Use only first device for each device type and backend #118

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Merged
PokhodenkoSA merged 1 commit into from
Oct 8, 2020
Merged

Use only first device for each device type and backend #118

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9 changes: 8 additions & 1 deletion backends/source/dppl_sycl_queue_manager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -75,8 +75,15 @@ class QMgrHelper
vector_class<device> SelectedDevices;
for(auto &d : Devices) {
auto devty = d.get_info<info::device::device_type>();
if(devty == DTy && be == BE)
if(devty == DTy && be == BE) {
SelectedDevices.push_back(d);

// Workaround for situations when in some environments
// get_devices() returns each device TWICE. Then it fails in call
// for context constructor with all doubled devices.
// So use only one first device.
break;
}
}
if (SelectedDevices.size() > 0) {
auto Ctx = context(SelectedDevices);
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