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Add debug flag to control fine grain SVM reporting.

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Change-Id: Ia5c8b8798951d87aa81799ac3a3f456d10e1aceb
Signed-off-by: Michal Mrozek <michal.mrozek@intel.com>
This commit is contained in:
Michal Mrozek
2020-03-23 08:55:55 +01:00
committed by sys_ocldev
parent 5be85293d6
commit 71950fa7cc
4 changed files with 63 additions and 4 deletions
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13
opencl/source/device/device_caps.cpp
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@ -404,9 +404,16 @@ void ClDevice::initializeCaps() {
deviceInfo.linkerAvailable = true;
deviceInfo.svmCapabilities = hwInfo.capabilityTable.ftrSvm * CL_DEVICE_SVM_COARSE_GRAIN_BUFFER;
deviceInfo.svmCapabilities |= static_cast<cl_device_svm_capabilities>(
hwInfo.capabilityTable.ftrSvm * hwInfo.capabilityTable.ftrSupportsCoherency *
(CL_DEVICE_SVM_FINE_GRAIN_BUFFER | CL_DEVICE_SVM_ATOMICS));
if (hwInfo.capabilityTable.ftrSvm) {
auto reportFineGrained = hwInfo.capabilityTable.ftrSvm * hwInfo.capabilityTable.ftrSupportsCoherency;
if (DebugManager.flags.ForceFineGrainedSVMSupport.get() != -1) {
reportFineGrained = !!DebugManager.flags.ForceFineGrainedSVMSupport.get();
}
if (reportFineGrained) {
deviceInfo.svmCapabilities |= static_cast<cl_device_svm_capabilities>(CL_DEVICE_SVM_FINE_GRAIN_BUFFER | CL_DEVICE_SVM_ATOMICS);
}
}
deviceInfo.preemptionSupported = false;
deviceInfo.maxGlobalVariableSize = 64 * 1024;
deviceInfo.globalVariablePreferredTotalSize = static_cast<size_t>(sharedDeviceInfo.maxMemAllocSize);

50
opencl/test/unit_test/api/cl_get_device_info_tests.inl
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@ -108,6 +108,56 @@ TEST_F(clGetDeviceInfoTests, givenOpenCLDeviceWhenAskedForSupportedSvmTypeCorrec
EXPECT_EQ(svmCaps, expectedCaps);
}
TEST(clGetDeviceFineGrainedTests, givenDebugFlagForFineGrainedOverrideWhenItIsUsedWithZeroThenNoFineGrainSupport) {
DebugManagerStateRestore restorer;
DebugManager.flags.ForceFineGrainedSVMSupport.set(0);
cl_device_svm_capabilities svmCaps;
auto hwInfo = *platformDevices[0];
auto pDevice = std::make_unique<MockClDevice>(MockDevice::createWithNewExecutionEnvironment<MockDevice>(&hwInfo, 0));
auto retVal = clGetDeviceInfo(
pDevice.get(),
CL_DEVICE_SVM_CAPABILITIES,
sizeof(cl_device_svm_capabilities),
&svmCaps,
nullptr);
EXPECT_EQ(CL_SUCCESS, retVal);
cl_device_svm_capabilities expectedCaps = 0;
if (hwInfo.capabilityTable.ftrSvm != 0) {
expectedCaps = CL_DEVICE_SVM_COARSE_GRAIN_BUFFER;
}
EXPECT_EQ(svmCaps, expectedCaps);
}
TEST(clGetDeviceFineGrainedTests, givenDebugFlagForFineGrainedOverrideWhenItIsUsedWithOneThenThereIsFineGrainSupport) {
DebugManagerStateRestore restorer;
DebugManager.flags.ForceFineGrainedSVMSupport.set(1);
cl_device_svm_capabilities svmCaps;
auto hwInfo = *platformDevices[0];
auto pDevice = std::make_unique<MockClDevice>(MockDevice::createWithNewExecutionEnvironment<MockDevice>(&hwInfo, 0));
auto retVal = clGetDeviceInfo(
pDevice.get(),
CL_DEVICE_SVM_CAPABILITIES,
sizeof(cl_device_svm_capabilities),
&svmCaps,
nullptr);
EXPECT_EQ(CL_SUCCESS, retVal);
cl_device_svm_capabilities expectedCaps = 0;
if (hwInfo.capabilityTable.ftrSvm != 0) {
expectedCaps = CL_DEVICE_SVM_COARSE_GRAIN_BUFFER | CL_DEVICE_SVM_FINE_GRAIN_BUFFER | CL_DEVICE_SVM_ATOMICS;
}
EXPECT_EQ(svmCaps, expectedCaps);
}
TEST_F(clGetDeviceInfoTests, givenNeoDeviceWhenAskedForDriverVersionThenNeoIsReturned) {
cl_device_info paramName = 0;
size_t paramSize = 0;

3
opencl/test/unit_test/test_files/igdrcl.config
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@ -137,4 +137,5 @@ DirectSubmissionDisableCpuCacheFlush = -1
WddmResidencyLogger = 0
DirectSubmissionEnableDebugBuffer = 0
DirectSubmissionDisableCacheFlush = 0
DirectSubmissionDisableMonitorFence = 0
DirectSubmissionDisableMonitorFence = 0
ForceFineGrainedSVMSupport = -1

1
shared/source/debug_settings/debug_variables_base.inl
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@ -142,6 +142,7 @@ DECLARE_DEBUG_VARIABLE(int32_t, RenderCompressedImagesEnabled, -1, "-1: default,
DECLARE_DEBUG_VARIABLE(int32_t, RenderCompressedBuffersEnabled, -1, "-1: default, 0: disabled, 1: enabled")
DECLARE_DEBUG_VARIABLE(int32_t, EnableSharedSystemUsmSupport, -1, "-1: default, 0: shared system memory disabled, 1: shared system memory enabled")
DECLARE_DEBUG_VARIABLE(int32_t, EnablePassInlineData, -1, "-1: default, 0: Do not allow to pass inline data 1: Enable passing of inline data")
DECLARE_DEBUG_VARIABLE(int32_t, ForceFineGrainedSVMSupport, -1, "-1: default, 0: Do not report Fine Grained SVM capabilties 1: Report SVM Fine Grained capabilities if device supports SVM")
/*DRIVER TOGGLES*/
DECLARE_DEBUG_VARIABLE(int32_t, ForceOCLVersion, 0, "Force specific OpenCL API version")