virtual void init()
{
__startAtomicTransaction();
this->request = EnvironmentController::getInstance()
.getCommunicator().startReceive(
exchange->getExchangeType(),
(char*) exchange->getHostBuffer().getBasePointer(),
exchange->getHostBuffer().getDataSpace().getElementCount() * sizeof (TYPE),
exchange->getCommunicationTag());
__endTransaction();
}
EventTask asyncReceive(EventTask serialEvent, uint32_t recvEx)
{
if (hasReceiveExchange(recvEx))
{
__startAtomicTransaction(serialEvent + receiveEvents[recvEx]);
receiveEvents[recvEx] = receiveExchanges[recvEx]->startReceive();
__endTransaction();
return receiveEvents[recvEx];
}
return EventTask();
}
EventTask asyncSend(EventTask serialEvent, uint32_t sendEx, EventTask &gpuFree)
{
if (hasSendExchange(sendEx))
{
__startAtomicTransaction(serialEvent + sendEvents[sendEx]);
sendEvents[sendEx] = sendExchanges[sendEx]->startSend(gpuFree);
__endTransaction();
/* add only the copy event, because all work on gpu can run after data is copyed
*/
return gpuFree;
}
return EventTask();
}
virtual void init()
{
state = Init;
EventTask serialEvent = __getTransactionEvent();
for (int i = 1; i < Exchanges; ++i)
{
if (buffer.getGridBuffer().hasSendExchange(i))
{
__startAtomicTransaction(serialEvent);
FieldFactory::getInstance().createTaskFieldSendExchange(buffer, i);
tmpEvent += __endTransaction();
}
}
state = WaitForSend;
}
bool executeIntern()
{
switch (state)
{
case WaitForReceived:
break;
case RunCopy:
state = WaitForFinish;
__startAtomicTransaction();
exchange->getHostBuffer().setCurrentSize(newBufferSize);
if (exchange->hasDeviceDoubleBuffer())
{
Factory::getInstance().createTaskCopyHostToDevice(exchange->getHostBuffer(),
exchange->getDeviceDoubleBuffer());
Factory::getInstance().createTaskCopyDeviceToDevice(exchange->getDeviceDoubleBuffer(),
exchange->getDeviceBuffer(),
this);
}
else
{
Factory::getInstance().createTaskCopyHostToDevice(exchange->getHostBuffer(),
exchange->getDeviceBuffer(),
this);
}
__endTransaction();
break;
case WaitForFinish:
break;
case Finish:
return true;
default:
return false;
}
return false;
}