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Fix Device Allocated IPC Events

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- Given Device Allocated IPC Event Pool, the open IPC event pool process
  must allocate the event pool as a device buffer or usage of the memory
will fail.
- Pass deviceAlloc flag thru the IPC Event Pool Handle to enable the
  child processes to allocate the correct memory type.

Related-To: LOCI-3764

Signed-off-by: Spruit, Neil R <neil.r.spruit@intel.com>
This commit is contained in:
Spruit, Neil R
2022-12-15 08:15:18 -08:00
committed by Compute-Runtime-Automation
parent 7b8d1925a9
commit 1360ec9179
4 changed files with 119 additions and 7 deletions
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10
level_zero/core/source/event/event.cpp
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@@ -48,7 +48,7 @@ ze_result_t EventPoolImp::initialize(DriverHandle *driver, Context *context, uin
DriverHandleImp *driverHandleImp = static_cast<DriverHandleImp *>(driver);
bool useDevicesFromApi = true;
bool useDeviceAlloc = isEventPoolDeviceAllocationFlagSet();
this->isDeviceEventPoolAllocation = isEventPoolDeviceAllocationFlagSet();
if (numDevices == 0) {
currentNumDevices = static_cast<uint32_t>(driverHandleImp->devices.size());
@@ -78,17 +78,17 @@ ze_result_t EventPoolImp::initialize(DriverHandle *driver, Context *context, uin
auto &hwInfo = getDevice()->getHwInfo();
auto &l0GfxCoreHelper = getDevice()->getNEODevice()->getRootDeviceEnvironment().getHelper<L0GfxCoreHelper>();
useDeviceAlloc |= l0GfxCoreHelper.alwaysAllocateEventInLocalMem();
this->isDeviceEventPoolAllocation |= l0GfxCoreHelper.alwaysAllocateEventInLocalMem();
initializeSizeParameters(numDevices, phDevices, *driverHandleImp, hwInfo);
NEO::AllocationType allocationType = isEventPoolTimestampFlagSet() ? NEO::AllocationType::TIMESTAMP_PACKET_TAG_BUFFER
: NEO::AllocationType::BUFFER_HOST_MEMORY;
if (this->devices.size() > 1) {
useDeviceAlloc = false;
this->isDeviceEventPoolAllocation = false;
}
if (useDeviceAlloc) {
if (this->isDeviceEventPoolAllocation) {
allocationType = NEO::AllocationType::GPU_TIMESTAMP_DEVICE_BUFFER;
}
@@ -96,7 +96,7 @@ ze_result_t EventPoolImp::initialize(DriverHandle *driver, Context *context, uin
bool allocatedMemory = false;
if (useDeviceAlloc) {
if (this->isDeviceEventPoolAllocation) {
NEO::AllocationProperties allocationProperties{*rootDeviceIndices.begin(), this->eventPoolSize, allocationType, devices[0]->getNEODevice()->getDeviceBitfield()};
allocationProperties.alignment = eventAlignment;