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TheRock/rocm-libraries/projects/hipdnn/tests/frontend/IntegrationRMSNormDescriptorLifting.cpp
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

508 lines
23 KiB
C++

// Copyright © Advanced Micro Devices, Inc., or its affiliates.
// SPDX-License-Identifier: MIT
#include <gtest/gtest.h>
#include <hip/hip_runtime.h>
#include <memory>
#include <unordered_set>
#include <vector>
#include <hipdnn_frontend.hpp>
#include <hipdnn_frontend/node/RMSNormNode.hpp>
#include <hipdnn_test_sdk/constants/RMSNormConstants.hpp>
#include <hipdnn_test_sdk/utilities/IntegrationTestFixture.hpp>
#include <hipdnn_test_sdk/utilities/LiftingTestHelpers.hpp>
#include <hipdnn_test_sdk/utilities/TestUtilities.hpp>
#include <hipdnn_test_sdk/utilities/TestableGraph.hpp>
#include <hipdnn_test_sdk/utilities/ToVec.hpp>
using namespace hipdnn_frontend;
using namespace hipdnn_frontend::graph;
using hipdnn_tests::IntegrationTestFixture;
using hipdnn_tests::liftGraph;
using hipdnn_tests::liftGraphWithoutFinalization;
using hipdnn_tests::TestableGraphLifting;
using hipdnn_tests::toVec;
namespace rms_constants = hipdnn_tests::constants;
namespace
{
class IntegrationRMSNormDescriptorLifting : public IntegrationTestFixture
{
protected:
// Builds a standard training rmsnorm graph with all tensors set
static std::shared_ptr<TestableGraphLifting> buildTrainingGraph()
{
auto graph = std::make_shared<TestableGraphLifting>();
graph->set_name("RMSNormLiftingTest")
.set_compute_data_type(DataType::FLOAT)
.set_intermediate_data_type(DataType::FLOAT)
.set_io_data_type(DataType::FLOAT);
auto x = std::make_shared<TensorAttributes>();
x->set_uid(rms_constants::K_RMSNORM_TENSOR_X_UID)
.set_name("X")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_X_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_X_STRIDES));
auto scale = std::make_shared<TensorAttributes>();
scale->set_uid(rms_constants::K_RMSNORM_TENSOR_SCALE_UID)
.set_name("SCALE")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_STRIDES));
auto epsilon = std::make_shared<TensorAttributes>(1e-5f);
epsilon->set_uid(rms_constants::K_RMSNORM_TENSOR_EPSILON_UID)
.set_name("EPSILON")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_STRIDES));
RMSNormAttributes rmsnormAttrs;
rmsnormAttrs.set_name("rmsnorm_op");
rmsnormAttrs.set_forward_phase(NormFwdPhase::TRAINING);
rmsnormAttrs.set_epsilon(epsilon);
auto [y, invRms] = graph->rmsnorm(x, scale, std::move(rmsnormAttrs));
y->set_uid(rms_constants::K_RMSNORM_TENSOR_Y_UID).set_output(true).set_name("Y");
invRms->set_uid(rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID)
.set_output(true)
.set_name("INV_RMS");
return graph;
}
};
// Builds an rmsnorm graph in TRAINING mode (with inv_rms), lowers
// via build_operation_graph(handle), lifts back with fromBackendDescriptor(),
// and verifies all operation attributes and tensors.
TEST_F(IntegrationRMSNormDescriptorLifting, RMSNormTrainingRoundTripViaCApi)
{
auto graph = buildTrainingGraph();
auto liftedGraph = liftGraph(*graph, _handle);
ASSERT_NE(liftedGraph, nullptr);
// Verify graph-level data types
EXPECT_EQ(liftedGraph->get_compute_data_type(), DataType::FLOAT);
EXPECT_EQ(liftedGraph->get_intermediate_data_type(), DataType::FLOAT);
EXPECT_EQ(liftedGraph->get_io_data_type(), DataType::FLOAT);
// Verify tensors by UID (5 tensors: x, scale, epsilon, y, inv_rms)
auto tensorMap = liftedGraph->getTensorsByUid();
ASSERT_EQ(tensorMap.size(), 5u);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_X_UID), 0u);
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_X_UID]->get_name(), "X");
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_X_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_X_DIMS));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_X_UID]->get_stride(),
toVec(rms_constants::K_RMSNORM_TENSOR_X_STRIDES));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_X_UID]->get_data_type(), DataType::FLOAT);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_SCALE_UID), 0u);
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_SCALE_UID]->get_name(), "SCALE");
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_SCALE_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_DIMS));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_SCALE_UID]->get_stride(),
toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_STRIDES));
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_EPSILON_UID), 0u);
auto liftedEpsilon = tensorMap[rms_constants::K_RMSNORM_TENSOR_EPSILON_UID];
EXPECT_EQ(liftedEpsilon->get_name(), "EPSILON");
EXPECT_EQ(liftedEpsilon->get_dim(), toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_DIMS));
EXPECT_EQ(liftedEpsilon->get_stride(), toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_STRIDES));
EXPECT_EQ(liftedEpsilon->get_data_type(), DataType::FLOAT);
EXPECT_TRUE(liftedEpsilon->get_is_pass_by_value());
ASSERT_TRUE(liftedEpsilon->get_compile_time_constant<float>().has_value());
EXPECT_FLOAT_EQ(liftedEpsilon->get_compile_time_constant<float>().value(), 1e-5f);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_Y_UID), 0u);
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_Y_UID]->get_name(), "Y");
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_Y_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_Y_DIMS));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_Y_UID]->get_stride(),
toVec(rms_constants::K_RMSNORM_TENSOR_Y_STRIDES));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_Y_UID]->get_data_type(), DataType::FLOAT);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID), 0u);
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID]->get_name(), "INV_RMS");
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_INV_RMS_DIMS));
// Verify the lifted graph has 1 rmsnorm sub-node
auto& subNodes = liftedGraph->getSubNodes();
ASSERT_EQ(subNodes.size(), 1u);
auto* rmsNode = dynamic_cast<RMSNormNode*>(subNodes[0].get());
ASSERT_NE(rmsNode, nullptr);
EXPECT_EQ(rmsNode->attributes.get_forward_phase(), NormFwdPhase::TRAINING);
EXPECT_EQ(rmsNode->attributes.get_name(), "rmsnorm_op");
// Verify tensor references on the node
EXPECT_EQ(rmsNode->attributes.get_x()->get_uid(), rms_constants::K_RMSNORM_TENSOR_X_UID);
EXPECT_EQ(rmsNode->attributes.get_scale()->get_uid(),
rms_constants::K_RMSNORM_TENSOR_SCALE_UID);
EXPECT_EQ(rmsNode->attributes.get_epsilon()->get_uid(),
rms_constants::K_RMSNORM_TENSOR_EPSILON_UID);
EXPECT_EQ(rmsNode->attributes.get_y()->get_uid(), rms_constants::K_RMSNORM_TENSOR_Y_UID);
ASSERT_NE(rmsNode->attributes.get_inv_rms(), nullptr);
EXPECT_EQ(rmsNode->attributes.get_inv_rms()->get_uid(),
rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID);
}
// Builds an rmsnorm graph in INFERENCE mode (no inv_rms), lowers
// via build_operation_graph(handle), lifts back with fromBackendDescriptor(),
// and verifies all operation attributes and that optional tensors are absent.
TEST_F(IntegrationRMSNormDescriptorLifting, RMSNormInferenceRoundTripViaCApi)
{
auto graph = std::make_shared<TestableGraphLifting>();
graph->set_name("RMSNormInferenceLiftingTest")
.set_compute_data_type(DataType::FLOAT)
.set_intermediate_data_type(DataType::FLOAT)
.set_io_data_type(DataType::FLOAT);
auto x = std::make_shared<TensorAttributes>();
x->set_uid(rms_constants::K_RMSNORM_TENSOR_X_UID)
.set_name("X")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_X_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_X_STRIDES));
auto scale = std::make_shared<TensorAttributes>();
scale->set_uid(rms_constants::K_RMSNORM_TENSOR_SCALE_UID)
.set_name("SCALE")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_STRIDES));
auto epsilon = std::make_shared<TensorAttributes>(1e-5f);
epsilon->set_uid(rms_constants::K_RMSNORM_TENSOR_EPSILON_UID)
.set_name("EPSILON")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_STRIDES));
RMSNormAttributes rmsnormAttrs;
rmsnormAttrs.set_name("rmsnorm_inference_op");
rmsnormAttrs.set_forward_phase(NormFwdPhase::INFERENCE);
rmsnormAttrs.set_epsilon(epsilon);
auto [y, invRms] = graph->rmsnorm(x, scale, std::move(rmsnormAttrs));
y->set_uid(rms_constants::K_RMSNORM_TENSOR_Y_UID).set_output(true).set_name("Y");
// invRms should be nullptr in INFERENCE mode
EXPECT_EQ(invRms, nullptr);
auto liftedGraph = liftGraph(*graph, _handle);
ASSERT_NE(liftedGraph, nullptr);
// Verify tensors by UID (4 tensors: x, scale, epsilon, y -- no inv_rms)
auto tensorMap = liftedGraph->getTensorsByUid();
ASSERT_EQ(tensorMap.size(), 4u);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_X_UID), 0u);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_SCALE_UID), 0u);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_EPSILON_UID), 0u);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_Y_UID), 0u);
// inv_rms should NOT be in the tensor map
EXPECT_EQ(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID), 0u);
// Verify the lifted graph has 1 rmsnorm sub-node
auto& subNodes = liftedGraph->getSubNodes();
ASSERT_EQ(subNodes.size(), 1u);
auto* rmsNode = dynamic_cast<RMSNormNode*>(subNodes[0].get());
ASSERT_NE(rmsNode, nullptr);
EXPECT_EQ(rmsNode->attributes.get_forward_phase(), NormFwdPhase::INFERENCE);
EXPECT_EQ(rmsNode->attributes.get_name(), "rmsnorm_inference_op");
// Optional tensors should be null on the lifted node
EXPECT_EQ(rmsNode->attributes.get_inv_rms(), nullptr);
}
// Verifies that tensor objects are shared between the tensor map and the
// rmsnorm node attributes after lifting.
TEST_F(IntegrationRMSNormDescriptorLifting, RMSNormTensorSharingPreserved)
{
auto graph = buildTrainingGraph();
graph->set_name("RMSNormTensorSharingTest");
auto liftedGraph = liftGraph(*graph, _handle);
ASSERT_NE(liftedGraph, nullptr);
auto tensorMap = liftedGraph->getTensorsByUid();
auto& subNodes = liftedGraph->getSubNodes();
ASSERT_EQ(subNodes.size(), 1u);
auto* rmsNode = dynamic_cast<RMSNormNode*>(subNodes[0].get());
ASSERT_NE(rmsNode, nullptr);
// Verify tensor objects are shared (same pointer) between map and node
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_X_UID].get(),
rmsNode->attributes.get_x().get());
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_SCALE_UID].get(),
rmsNode->attributes.get_scale().get());
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_EPSILON_UID].get(),
rmsNode->attributes.get_epsilon().get());
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_Y_UID].get(),
rmsNode->attributes.get_y().get());
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID].get(),
rmsNode->attributes.get_inv_rms().get());
}
// Builds an rmsnorm graph, serializes to binary, creates a backend descriptor
// from bytes (no handle, no finalize), calls fromBackendDescriptor(), and verifies
// the rmsnorm operation survives the FlatBuffer-direct deserialization path.
TEST_F(IntegrationRMSNormDescriptorLifting, RMSNormLiftWithoutFinalization)
{
auto graph = buildTrainingGraph();
graph->set_name("RMSNormFlatBufferLiftTest");
auto liftedGraph = liftGraphWithoutFinalization(*graph);
ASSERT_NE(liftedGraph, nullptr);
EXPECT_EQ(liftedGraph->get_compute_data_type(), DataType::FLOAT);
auto& subNodes = liftedGraph->getSubNodes();
ASSERT_EQ(subNodes.size(), 1u);
auto* rmsNode = dynamic_cast<RMSNormNode*>(subNodes[0].get());
ASSERT_NE(rmsNode, nullptr);
EXPECT_EQ(rmsNode->attributes.get_forward_phase(), NormFwdPhase::TRAINING);
EXPECT_EQ(rmsNode->attributes.get_name(), "rmsnorm_op");
EXPECT_EQ(rmsNode->attributes.get_x()->get_uid(), rms_constants::K_RMSNORM_TENSOR_X_UID);
EXPECT_EQ(rmsNode->attributes.get_scale()->get_uid(),
rms_constants::K_RMSNORM_TENSOR_SCALE_UID);
EXPECT_EQ(rmsNode->attributes.get_epsilon()->get_uid(),
rms_constants::K_RMSNORM_TENSOR_EPSILON_UID);
EXPECT_EQ(rmsNode->attributes.get_y()->get_uid(), rms_constants::K_RMSNORM_TENSOR_Y_UID);
ASSERT_NE(rmsNode->attributes.get_inv_rms(), nullptr);
EXPECT_EQ(rmsNode->attributes.get_inv_rms()->get_uid(),
rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID);
// Verify tensor dims
auto tensorMap = liftedGraph->getTensorsByUid();
ASSERT_EQ(tensorMap.size(), 5u);
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_X_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_X_DIMS));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_X_UID]->get_stride(),
toVec(rms_constants::K_RMSNORM_TENSOR_X_STRIDES));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_Y_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_Y_DIMS));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_Y_UID]->get_stride(),
toVec(rms_constants::K_RMSNORM_TENSOR_Y_STRIDES));
// Verify epsilon pass-by-value preserved through FlatBuffer path
auto liftedEpsilon = tensorMap[rms_constants::K_RMSNORM_TENSOR_EPSILON_UID];
EXPECT_EQ(liftedEpsilon->get_dim(), toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_DIMS));
EXPECT_EQ(liftedEpsilon->get_stride(), toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_STRIDES));
EXPECT_TRUE(liftedEpsilon->get_is_pass_by_value());
ASSERT_TRUE(liftedEpsilon->get_compile_time_constant<float>().has_value());
EXPECT_FLOAT_EQ(liftedEpsilon->get_compile_time_constant<float>().value(), 1e-5f);
}
// Exercises the deserialize() path with a handle for an rmsnorm graph.
TEST_F(IntegrationRMSNormDescriptorLifting, RMSNormDeserializeViaBackendWithHandle)
{
auto graph = buildTrainingGraph();
graph->set_name("RMSNormDeserializeTest");
auto result = graph->validate();
ASSERT_EQ(result.code, ErrorCode::OK) << result.err_msg;
auto [data, serErr] = graph->to_binary();
ASSERT_TRUE(serErr.is_good()) << serErr.get_message();
// Create a new graph and use deserialize with handle
auto liftedGraph = std::make_shared<TestableGraphLifting>();
result = liftedGraph->deserialize(_handle, data);
ASSERT_EQ(result.code, ErrorCode::OK) << result.err_msg;
// Verify graph-level data types
EXPECT_EQ(liftedGraph->get_compute_data_type(), DataType::FLOAT);
EXPECT_EQ(liftedGraph->get_intermediate_data_type(), DataType::FLOAT);
EXPECT_EQ(liftedGraph->get_io_data_type(), DataType::FLOAT);
// Verify the lifted graph has 1 operation node
auto& subNodes = liftedGraph->getSubNodes();
ASSERT_EQ(subNodes.size(), 1u);
auto* rmsNode = dynamic_cast<RMSNormNode*>(subNodes[0].get());
ASSERT_NE(rmsNode, nullptr);
EXPECT_EQ(rmsNode->attributes.get_forward_phase(), NormFwdPhase::TRAINING);
EXPECT_EQ(rmsNode->attributes.get_name(), "rmsnorm_op");
// Verify tensor dims
auto tensorMap = liftedGraph->getTensorsByUid();
ASSERT_EQ(tensorMap.size(), 5u);
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_X_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_X_DIMS));
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_SCALE_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_DIMS));
}
// Roundtrip with optional bias tensor set.
TEST_F(IntegrationRMSNormDescriptorLifting, RMSNormWithBiasRoundTrip)
{
auto graph = std::make_shared<TestableGraphLifting>();
graph->set_name("BiasRMSNormLiftingTest")
.set_compute_data_type(DataType::FLOAT)
.set_intermediate_data_type(DataType::FLOAT)
.set_io_data_type(DataType::FLOAT);
auto x = std::make_shared<TensorAttributes>();
x->set_uid(rms_constants::K_RMSNORM_TENSOR_X_UID)
.set_name("X")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_X_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_X_STRIDES));
auto scale = std::make_shared<TensorAttributes>();
scale->set_uid(rms_constants::K_RMSNORM_TENSOR_SCALE_UID)
.set_name("SCALE")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_STRIDES));
auto epsilon = std::make_shared<TensorAttributes>(1e-5f);
epsilon->set_uid(rms_constants::K_RMSNORM_TENSOR_EPSILON_UID)
.set_name("EPSILON")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_STRIDES));
auto bias = std::make_shared<TensorAttributes>();
bias->set_uid(rms_constants::K_RMSNORM_TENSOR_BIAS_UID)
.set_name("BIAS")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_BIAS_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_BIAS_STRIDES));
RMSNormAttributes rmsnormAttrs;
rmsnormAttrs.set_name("rmsnorm_bias_op");
rmsnormAttrs.set_forward_phase(NormFwdPhase::TRAINING);
rmsnormAttrs.set_epsilon(epsilon);
rmsnormAttrs.set_bias(bias);
auto [y, invRms] = graph->rmsnorm(x, scale, std::move(rmsnormAttrs));
y->set_uid(rms_constants::K_RMSNORM_TENSOR_Y_UID).set_output(true).set_name("Y");
ASSERT_NE(invRms, nullptr);
invRms->set_uid(rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID)
.set_output(true)
.set_name("INV_RMS");
auto liftedGraph = liftGraph(*graph, _handle);
ASSERT_NE(liftedGraph, nullptr);
// 6 tensors: x, scale, epsilon, bias, y, inv_rms
auto tensorMap = liftedGraph->getTensorsByUid();
ASSERT_EQ(tensorMap.size(), 6u);
ASSERT_NE(tensorMap.count(rms_constants::K_RMSNORM_TENSOR_BIAS_UID), 0u);
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_BIAS_UID]->get_name(), "BIAS");
EXPECT_EQ(tensorMap[rms_constants::K_RMSNORM_TENSOR_BIAS_UID]->get_dim(),
toVec(rms_constants::K_RMSNORM_TENSOR_BIAS_DIMS));
auto& subNodes = liftedGraph->getSubNodes();
ASSERT_EQ(subNodes.size(), 1u);
auto* rmsNode = dynamic_cast<RMSNormNode*>(subNodes[0].get());
ASSERT_NE(rmsNode, nullptr);
ASSERT_NE(rmsNode->attributes.get_bias(), nullptr);
EXPECT_EQ(rmsNode->attributes.get_bias()->get_uid(), rms_constants::K_RMSNORM_TENSOR_BIAS_UID);
ASSERT_NE(rmsNode->attributes.get_inv_rms(), nullptr);
EXPECT_EQ(rmsNode->attributes.get_inv_rms()->get_uid(),
rms_constants::K_RMSNORM_TENSOR_INV_RMS_UID);
}
// Builds a training rmsnorm graph WITHOUT explicit UIDs, lowers,
// lifts back, and verifies that auto-assigned UIDs are preserved and unique.
TEST_F(IntegrationRMSNormDescriptorLifting, AutoAssignedUidsPreservedInRoundTrip)
{
auto graph = std::make_shared<TestableGraphLifting>();
graph->set_name("AutoUidRMSNormLiftingTest")
.set_compute_data_type(DataType::FLOAT)
.set_intermediate_data_type(DataType::FLOAT)
.set_io_data_type(DataType::FLOAT);
// Create tensors WITHOUT setting UIDs
auto x = std::make_shared<TensorAttributes>();
x->set_name("X")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_X_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_X_STRIDES));
auto scale = std::make_shared<TensorAttributes>();
scale->set_name("SCALE")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_SCALE_STRIDES));
auto epsilon = std::make_shared<TensorAttributes>(1e-5f);
epsilon->set_name("EPSILON")
.set_data_type(DataType::FLOAT)
.set_dim(toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_DIMS))
.set_stride(toVec(rms_constants::K_RMSNORM_TENSOR_EPSILON_STRIDES));
RMSNormAttributes rmsnormAttrs;
rmsnormAttrs.set_name("rmsnorm_auto_uid_op");
rmsnormAttrs.set_forward_phase(NormFwdPhase::TRAINING);
rmsnormAttrs.set_epsilon(epsilon);
auto [y, invRms] = graph->rmsnorm(x, scale, std::move(rmsnormAttrs));
y->set_output(true).set_name("Y");
ASSERT_NE(invRms, nullptr);
invRms->set_output(true).set_name("INV_RMS");
auto liftedGraph = liftGraph(*graph, _handle);
ASSERT_NE(liftedGraph, nullptr);
// Verify all auto-assigned UIDs are unique
auto tensorMap = liftedGraph->getTensorsByUid();
ASSERT_EQ(tensorMap.size(), 5u); // x, scale, epsilon, y, inv_rms
std::unordered_set<int64_t> uids;
for(const auto& [uid, tensor] : tensorMap)
{
uids.insert(uid);
}
EXPECT_EQ(uids.size(), 5u)
<< "Tensor UIDs are not unique"; // NOLINT(readability-implicit-bool-conversion)
// Verify the lifted node references UIDs that exist in the tensor map
auto& subNodes = liftedGraph->getSubNodes();
ASSERT_EQ(subNodes.size(), 1u);
auto* rmsNode = dynamic_cast<RMSNormNode*>(subNodes[0].get());
ASSERT_NE(rmsNode, nullptr);
EXPECT_EQ(rmsNode->attributes.get_name(), "rmsnorm_auto_uid_op");
EXPECT_EQ(rmsNode->attributes.get_forward_phase(), NormFwdPhase::TRAINING);
EXPECT_TRUE(uids.count(rmsNode->attributes.get_x()->get_uid()) > 0);
EXPECT_TRUE(uids.count(rmsNode->attributes.get_scale()->get_uid()) > 0);
EXPECT_TRUE(uids.count(rmsNode->attributes.get_epsilon()->get_uid()) > 0);
EXPECT_TRUE(uids.count(rmsNode->attributes.get_y()->get_uid()) > 0);
ASSERT_NE(rmsNode->attributes.get_inv_rms(), nullptr);
EXPECT_TRUE(uids.count(rmsNode->attributes.get_inv_rms()->get_uid()) > 0);
// All node tensor UIDs should be distinct
const std::unordered_set<int64_t> nodeUids = {rmsNode->attributes.get_x()->get_uid(),
rmsNode->attributes.get_scale()->get_uid(),
rmsNode->attributes.get_epsilon()->get_uid(),
rmsNode->attributes.get_y()->get_uid(),
rmsNode->attributes.get_inv_rms()->get_uid()};
EXPECT_EQ(nodeUids.size(), 5u)
<< "RMSNorm node tensor UIDs are not distinct"; // NOLINT(readability-implicit-bool-conversion)
}
} // namespace