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Use Semaphore to wait for dependencies on the same device

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Change-Id: Ib04c960c50183c080d02753815ece80b58d1980e
Signed-off-by: Dunajski, Bartosz <bartosz.dunajski@intel.com>
This commit is contained in:
Dunajski, Bartosz
2018-09-07 09:09:24 +02:00
committed by sys_ocldev
parent 393ce116e7
commit d04614dce3
8 changed files with 158 additions and 5 deletions
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27
runtime/command_queue/gpgpu_walker.inl
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@@ -494,6 +494,11 @@ void GpgpuWalkerHelper<GfxFamily>::dispatchWalker(
ssh = &getIndirectHeap<GfxFamily, IndirectHeap::SURFACE_STATE>(commandQueue, multiDispatchInfo);
}
if (commandQueue.getDevice().peekCommandStreamReceiver()->peekTimestampPacketWriteEnabled()) {
GpgpuWalkerHelper<GfxFamily>::dispatchOnDeviceWaitlistSemaphores(commandStream, commandQueue.getDevice(),
numEventsInWaitList, eventWaitList);
}
dsh->align(KernelCommandsHelper<GfxFamily>::alignInterfaceDescriptorData);
uint32_t interfaceDescriptorIndex = 0;
@@ -645,6 +650,28 @@ void GpgpuWalkerHelper<GfxFamily>::dispatchWalker(
dispatchProfilingPerfEndCommands(hwTimeStamps, hwPerfCounter, commandStream, commandQueue);
}
template <typename GfxFamily>
inline void GpgpuWalkerHelper<GfxFamily>::dispatchOnDeviceWaitlistSemaphores(LinearStream *commandStream, Device &currentDevice,
cl_uint numEventsInWaitList, const cl_event *eventWaitList) {
using MI_SEMAPHORE_WAIT = typename GfxFamily::MI_SEMAPHORE_WAIT;
for (cl_uint i = 0; i < numEventsInWaitList; i++) {
auto event = castToObjectOrAbort<Event>(eventWaitList[i]);
if (event->isUserEvent() || (&event->getCommandQueue()->getDevice() != &currentDevice)) {
continue;
}
auto timestampPacket = event->getTimestampPacket();
auto compareAddress = timestampPacket->pickAddressForDataWrite(TimestampPacket::DataIndex::ContextEnd);
auto miSemaphoreCmd = commandStream->getSpaceForCmd<MI_SEMAPHORE_WAIT>();
*miSemaphoreCmd = MI_SEMAPHORE_WAIT::sInit();
miSemaphoreCmd->setCompareOperation(MI_SEMAPHORE_WAIT::COMPARE_OPERATION::COMPARE_OPERATION_SAD_NOT_EQUAL_SDD);
miSemaphoreCmd->setSemaphoreDataDword(1);
miSemaphoreCmd->setSemaphoreGraphicsAddress(compareAddress);
}
}
template <typename GfxFamily>
inline void GpgpuWalkerHelper<GfxFamily>::getDefaultDshSpace(
const size_t &offsetInterfaceDescriptorTable,