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Make sure that devices reuse memory manager and command stream receiver.

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- initialize them only once per execution environment
- initialize tag allocation only once

Change-Id: Ic816c81a84320aeb66b09d333bec69a92fe0859b
This commit is contained in:
Mrozek, Michal
2018-07-17 11:11:48 +02:00
committed by sys_ocldev
parent 8da3da402f
commit aa71442d50
3 changed files with 21 additions and 0 deletions
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3
runtime/command_stream/command_stream_receiver.cpp
View File

@@ -349,6 +349,9 @@ void CommandStreamReceiver::setExperimentalCmdBuffer(std::unique_ptr<Experimenta
}
bool CommandStreamReceiver::initializeTagAllocation() {
if (tagAllocation) {
return true;
}
auto tagAllocation = memoryManager->allocateGraphicsMemory(sizeof(uint32_t));
if (!tagAllocation) {
return false;

7
runtime/execution_environment/execution_environment.cpp
View File

@@ -35,6 +35,9 @@ void ExecutionEnvironment::initGmm(const HardwareInfo *hwInfo) {
gmmHelper.reset(new GmmHelper(hwInfo));
}
bool ExecutionEnvironment::initializeCommandStreamReceiver(const HardwareInfo *pHwInfo) {
if (this->commandStreamReceiver) {
return true;
}
CommandStreamReceiver *commandStreamReceiver = createCommandStream(pHwInfo);
if (!commandStreamReceiver) {
return false;
@@ -43,6 +46,10 @@ bool ExecutionEnvironment::initializeCommandStreamReceiver(const HardwareInfo *p
return true;
}
void ExecutionEnvironment::initializeMemoryManager(MemoryManager *externalMemoryManager, bool enable64KBpages) {
if (this->memoryManager) {
commandStreamReceiver->setMemoryManager(this->memoryManager.get());
return;
}
if (!externalMemoryManager) {
memoryManager.reset(commandStreamReceiver->createMemoryManager(enable64KBpages));
commandStreamReceiver->setMemoryManager(memoryManager.get());

11
unit_tests/execution_environment/execution_environment_tests.cpp
View File

@@ -156,3 +156,14 @@ TEST(ExecutionEnvironment, givenExecutionEnvironmentWithVariousMembersWhenItIsDe
executionEnvironment.reset(nullptr);
EXPECT_EQ(3u, destructorId);
}
TEST(ExecutionEnvironment, givenMultipleDevicesWhenTheyAreCreatedTheyAllReuseTheSameMemoryManagerAndCommandStreamReceiver) {
auto executionEnvironment = new ExecutionEnvironment;
std::unique_ptr<Device> device(Device::create<OCLRT::Device>(nullptr, executionEnvironment));
auto &commandStreamReceiver = device->getCommandStreamReceiver();
auto memoryManager = device->getMemoryManager();
std::unique_ptr<Device> device2(Device::create<OCLRT::Device>(nullptr, executionEnvironment));
EXPECT_EQ(&commandStreamReceiver, &device->getCommandStreamReceiver());
EXPECT_EQ(memoryManager, device2->getMemoryManager());
}