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[2/n] Unified Shared Memory

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- Add kernel flags specifying indirect usage of device allocations.
- make device usm allocation resident when kernel requires this

Related-To: NEO-3148

Change-Id: I689347a0ea9b0f84c83f7883ca2381be63c61af9
Signed-off-by: Mrozek, Michal <michal.mrozek@intel.com>
This commit is contained in:
Mrozek, Michal
2019-06-13 15:49:35 +02:00
committed by sys_ocldev
parent 0894601edc
commit 8e969684f1
5 changed files with 56 additions and 2 deletions
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11
runtime/kernel/kernel.cpp
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@@ -34,6 +34,7 @@
#include "runtime/mem_obj/pipe.h"
#include "runtime/memory_manager/memory_manager.h"
#include "runtime/memory_manager/surface.h"
#include "runtime/memory_manager/svm_memory_manager.h"
#include "runtime/os_interface/debug_settings_manager.h"
#include "runtime/platform/platform.h"
#include "runtime/program/kernel_info.h"
@@ -940,6 +941,12 @@ void Kernel::clearKernelExecInfo() {
svmAllocationsRequireCacheFlush = false;
}
void Kernel::setUnifiedMemoryProperty(cl_kernel_exec_info infoType, bool infoValue) {
if (infoType == CL_KERNEL_EXEC_INFO_INDIRECT_DEVICE_ACCESS_INTEL) {
this->unifiedMemoryControls.indirectDeviceAllocationsAllowed = infoValue;
}
}
inline void Kernel::makeArgsResident(CommandStreamReceiver &commandStreamReceiver) {
auto numArgs = kernelInfo.kernelArgInfo.size();
@@ -989,6 +996,10 @@ void Kernel::makeResident(CommandStreamReceiver &commandStreamReceiver) {
}
gtpinNotifyMakeResident(this, &commandStreamReceiver);
if (unifiedMemoryControls.indirectDeviceAllocationsAllowed) {
this->getContext().getSVMAllocsManager()->makeInternalAllocationsResident(commandStreamReceiver);
}
}
void Kernel::getResidency(std::vector<Surface *> &dst) {