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[SYCL] Make Level-Zero events visible on the host #2576

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Merged
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Oct 1, 2020
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[SYCL] Make Level-Zero events visible on the host #2576

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8 changes: 7 additions & 1 deletion sycl/plugins/level_zero/pi_level_zero.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -228,7 +228,13 @@ _pi_context::getFreeSlotInExistingOrNewPool(ze_event_pool_handle_t &ZePool,
ze_event_pool_desc_t ZeEventPoolDesc = {};
ZeEventPoolDesc.stype = ZE_STRUCTURE_TYPE_EVENT_POOL_DESC;
ZeEventPoolDesc.count = MaxNumEventsPerPool;
ZeEventPoolDesc.flags = ZE_EVENT_POOL_FLAG_KERNEL_TIMESTAMP;

// Make all events visible on the host.
// TODO: events that are used only on device side APIs can be optimized
// to not be from the host-visible pool.
//
ZeEventPoolDesc.flags =
ZE_EVENT_POOL_FLAG_HOST_VISIBLE | ZE_EVENT_POOL_FLAG_KERNEL_TIMESTAMP;

std::vector<ze_device_handle_t> ZeDevices;
std::for_each(Devices.begin(), Devices.end(),
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