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Add feature to estimate number of event packets

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Related-To: NEO-7469

Signed-off-by: Zbigniew Zdanowicz <zbigniew.zdanowicz@intel.com>
This commit is contained in:
Zbigniew Zdanowicz
2022-10-27 11:40:44 +00:00
committed by Compute-Runtime-Automation
parent 23bb199a15
commit 27d042107a
32 changed files with 545 additions and 76 deletions
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34
level_zero/core/source/event/event.cpp
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@@ -43,17 +43,18 @@ ze_result_t EventPoolImp::initialize(DriverHandle *driver, Context *context, uin
RootDeviceIndicesContainer rootDeviceIndices;
uint32_t maxRootDeviceIndex = 0u;
uint32_t currentNumDevices = numDevices;
DriverHandleImp *driverHandleImp = static_cast<DriverHandleImp *>(driver);
bool useDevicesFromApi = true;
bool useDeviceAlloc = isEventPoolDeviceAllocationFlagSet();
if (numDevices == 0) {
numDevices = static_cast<uint32_t>(driverHandleImp->devices.size());
currentNumDevices = static_cast<uint32_t>(driverHandleImp->devices.size());
useDevicesFromApi = false;
}
for (uint32_t i = 0u; i < numDevices; i++) {
for (uint32_t i = 0u; i < currentNumDevices; i++) {
Device *eventDevice = nullptr;
if (useDevicesFromApi) {
@@ -74,14 +75,11 @@ ze_result_t EventPoolImp::initialize(DriverHandle *driver, Context *context, uin
}
rootDeviceIndices.remove_duplicates();
auto &hwHelper = devices[0]->getHwHelper();
auto &hwInfo = getDevice()->getHwInfo();
useDeviceAlloc |= L0HwHelper::get(hwInfo.platform.eRenderCoreFamily).alwaysAllocateEventInLocalMem();
useDeviceAlloc |= L0HwHelper::get(getDevice()->getHwInfo().platform.eRenderCoreFamily).alwaysAllocateEventInLocalMem();
initializeSizeParameters(numDevices, phDevices, *driverHandleImp, hwInfo);
eventAlignment = static_cast<uint32_t>(hwHelper.getTimestampPacketAllocatorAlignment());
eventSize = static_cast<uint32_t>(alignUp(EventPacketsCount::eventPackets * hwHelper.getSingleTimestampPacketSize(), eventAlignment));
size_t alignedSize = alignUp<size_t>(numEvents * eventSize, MemoryConstants::pageSize64k);
NEO::AllocationType allocationType = isEventPoolTimestampFlagSet() ? NEO::AllocationType::TIMESTAMP_PACKET_TAG_BUFFER
: NEO::AllocationType::BUFFER_HOST_MEMORY;
if (this->devices.size() > 1) {
@@ -97,7 +95,7 @@ ze_result_t EventPoolImp::initialize(DriverHandle *driver, Context *context, uin
bool allocatedMemory = false;
if (useDeviceAlloc) {
NEO::AllocationProperties allocationProperties{*rootDeviceIndices.begin(), alignedSize, allocationType, devices[0]->getNEODevice()->getDeviceBitfield()};
NEO::AllocationProperties allocationProperties{*rootDeviceIndices.begin(), this->eventPoolSize, allocationType, devices[0]->getNEODevice()->getDeviceBitfield()};
allocationProperties.alignment = eventAlignment;
if (eventPoolFlags & ZE_EVENT_POOL_FLAG_IPC) {
this->isShareableEventMemory = true;
@@ -110,7 +108,7 @@ ze_result_t EventPoolImp::initialize(DriverHandle *driver, Context *context, uin
}
} else {
NEO::AllocationProperties allocationProperties{*rootDeviceIndices.begin(), alignedSize, allocationType, systemMemoryBitfield};
NEO::AllocationProperties allocationProperties{*rootDeviceIndices.begin(), this->eventPoolSize, allocationType, systemMemoryBitfield};
allocationProperties.alignment = eventAlignment;
eventPoolPtr = driver->getMemoryManager()->createMultiGraphicsAllocationInSystemMemoryPool(rootDeviceIndices,
@@ -158,6 +156,22 @@ ze_result_t EventPoolImp::createEvent(const ze_event_desc_t *desc, ze_event_hand
return ZE_RESULT_SUCCESS;
}
void EventPoolImp::initializeSizeParameters(uint32_t numDevices, ze_device_handle_t *deviceHandles, DriverHandleImp &driver, const NEO::HardwareInfo &hwInfo) {
auto &l0HwHelper = L0HwHelper::get(hwInfo.platform.eRenderCoreFamily);
auto &hwHelper = NEO::HwHelper::get(hwInfo.platform.eRenderCoreFamily);
setEventAlignment(static_cast<uint32_t>(hwHelper.getTimestampPacketAllocatorAlignment()));
bool useDynamicEventPackets = l0HwHelper.useDynamicEventPacketsCount(hwInfo);
eventPackets = EventPacketsCount::eventPackets;
if (useDynamicEventPackets) {
eventPackets = driver.getEventMaxPacketCount(numDevices, deviceHandles);
}
setEventSize(static_cast<uint32_t>(alignUp(eventPackets * hwHelper.getSingleTimestampPacketSize(), eventAlignment)));
eventPoolSize = alignUp<size_t>(this->numEvents * eventSize, MemoryConstants::pageSize64k);
}
ze_result_t Event::destroy() {
delete this;
return ZE_RESULT_SUCCESS;