Files
2026-07-13 12:40:42 +08:00

458 lines
14 KiB
C++

// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <sstream>
#include "glog/logging.h"
#include "gtest/gtest.h"
#include "paddle/fluid/eager/accumulation/accumulation_node.h"
#include "paddle/fluid/eager/api/all.h"
#include "paddle/fluid/eager/api/generated/eager_generated/backwards/scale_node.h"
#include "paddle/fluid/eager/autograd_meta.h"
#include "paddle/fluid/eager/backward.h"
#include "paddle/fluid/eager/grad_node_info.h"
#include "paddle/fluid/eager/hooks.h"
#include "paddle/phi/core/dense_tensor.h"
#include "paddle/phi/core/kernel_registry.h"
#include "paddle/phi/core/tensor_meta.h"
#include "test/cpp/eager/test_utils.h"
PD_DECLARE_KERNEL(full, CPU, ALL_LAYOUT);
PD_DECLARE_KERNEL(add, CPU, ALL_LAYOUT);
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
PD_DECLARE_KERNEL(full, GPU, ALL_LAYOUT);
PD_DECLARE_KERNEL(add, KPS, ALL_LAYOUT);
#endif
namespace egr {
paddle::Tensor hook_function(const paddle::Tensor& t) {
auto t_dense = std::dynamic_pointer_cast<phi::DenseTensor>(t.impl());
auto ret_meta = phi::DenseTensorMeta(
t_dense->dtype(), t_dense->dims(), t_dense->layout());
auto place = t_dense->place();
size_t bytes_size =
common::product(t_dense->dims()) * SizeOf(t_dense->dtype());
auto ret_dense = std::make_shared<phi::DenseTensor>(
paddle::memory::Alloc(place, bytes_size), std::move(ret_meta));
float* t_ptr = t_dense->mutable_data<float>(place);
float* ret_ptr = ret_dense->mutable_data<float>(place);
for (int i = 0; i < ret_dense->numel(); i++) {
ret_ptr[i] = t_ptr[i] + 5.0f;
}
auto ret_impl = std::dynamic_pointer_cast<phi::TensorBase>(ret_dense);
paddle::Tensor ret = paddle::Tensor();
ret.set_impl(ret_impl);
return ret;
}
TEST(FwdBwdJoint, SingleNode) {
eager_test::InitEnv(phi::CPUPlace());
// 1. Prepare Input
phi::DDim ddim = common::make_ddim({4, 16, 16, 32});
paddle::Tensor tensor =
eager_test::CreateTensorWithValue(ddim,
phi::CPUPlace(),
phi::DataType::FLOAT32,
phi::DataLayout::NCHW,
5.0 /*value*/,
true /*is_leaf*/);
egr_utils_api::RetainGradForTensor(tensor);
// 3. Run Forward
float scale = 2.0;
float bias = 3.0;
paddle::Tensor out = egr::scale(
tensor, scale, bias, true /*bias_after_scale*/, true /*trace_backward*/);
// Examine Forward Output
eager_test::CompareTensorWithValue<float>(out, 13.0);
std::vector<paddle::Tensor> outs = {out};
// 4. Run Backward
Backward(outs, {});
VLOG(7) << "Target Grad is: "
<< std::static_pointer_cast<phi::DenseTensor>(
EagerUtils::unsafe_autograd_meta(tensor)->Grad().impl())
->data<float>()[0];
// Examine Backward Grad
eager_test::CompareGradTensorWithValue<float>(tensor, 2.0);
}
/*
inp
|
Node0
|
Node1
|
out
*/
TEST(FwdBwdJoint, LinearNodes) {
eager_test::InitEnv(phi::CPUPlace());
// 1. Prepare Input
phi::DDim ddim = common::make_ddim({4, 16, 16, 32});
paddle::Tensor tensor =
eager_test::CreateTensorWithValue(ddim,
phi::CPUPlace(),
phi::DataType::FLOAT32,
phi::DataLayout::NCHW,
5.0 /*value*/,
true /*is_leaf*/);
egr_utils_api::RetainGradForTensor(tensor);
// 3. Run Forward
// Run Forward Node 0
float scale0 = 2.0;
float bias0 = 3.0;
paddle::Tensor out0 = egr::scale(tensor,
scale0,
bias0,
true /*bias_after_scale*/,
true /*trace_backward*/);
// Run Forward Node 1
float scale1 = 5.0;
float bias1 = 10.0;
paddle::Tensor out1 = egr::scale(
out0, scale1, bias1, true /*bias_after_scale*/, true /*trace_backward*/);
// Examine Forward Output 0
eager_test::CompareTensorWithValue<float>(out0, 13.0);
// Examine Forward Output 1
eager_test::CompareTensorWithValue<float>(out1, 75.0);
std::vector<paddle::Tensor> outs = {out1};
// 4. Run Backward
Backward(outs, {});
// Examine Backward Grad
eager_test::CompareGradTensorWithValue<float>(tensor, 10.0);
}
/*
inp
|
Node0
____|____
| |
Node1 Node2
| |
out1 out2
*/
TEST(FwdBwdJoint, BranchedNodes) {
eager_test::InitEnv(phi::CPUPlace());
// 1. Prepare Input
phi::DDim ddim = common::make_ddim({4, 16, 16, 32});
paddle::Tensor tensor =
eager_test::CreateTensorWithValue(ddim,
phi::CPUPlace(),
phi::DataType::FLOAT32,
phi::DataLayout::NCHW,
5.0 /*value*/,
true /*is_leaf*/);
egr_utils_api::RetainGradForTensor(tensor);
// 3. Run Forward
// Run Forward Node 0
float scale0 = 2.0;
float bias0 = 3.0;
paddle::Tensor out0 = egr::scale(tensor,
scale0,
bias0,
true /*bias_after_scale*/,
true /*trace_backward*/);
// Run Forward Node 1
float scale1 = 5.0;
float bias1 = 10.0;
paddle::Tensor out1 = egr::scale(
out0, scale1, bias1, true /*bias_after_scale*/, true /*trace_backward*/);
// Run Forward Node 2
float scale2 = 10.0;
float bias2 = 20.0;
paddle::Tensor out2 = egr::scale(
out0, scale2, bias2, true /*bias_after_scale*/, true /*trace_backward*/);
// Examine Forward Output 0
eager_test::CompareTensorWithValue<float>(out0, 13.0);
// Examine Forward Output 1
eager_test::CompareTensorWithValue<float>(out1, 75.0);
// Examine Forward Output 2
{
auto dense_out = std::dynamic_pointer_cast<phi::DenseTensor>(out2.impl());
float* ptr = dense_out->mutable_data<float>(phi::CPUPlace());
for (int i = 0; i < 20; i++) {
PADDLE_ENFORCE(ptr[i] == 150.0,
common::errors::Fatal(
"Detected numerical Error, Expected %f but got %f",
150.0,
ptr[i]));
}
}
// 4. Run Backward
std::vector<paddle::Tensor> outs = {out1, out2};
Backward(outs, {});
// Examine Backward Grad
eager_test::CompareGradTensorWithValue<float>(tensor, 30.0);
}
/*
inp
|
Node0
____|____
| |
Node1 Node2
| |
out1 out2
*/
TEST(FwdBwdJoint, GradientHook) {
eager_test::InitEnv(phi::CPUPlace());
// 1. Prepare Input
phi::DDim ddim = common::make_ddim({4, 16, 16, 32});
paddle::Tensor tensor =
eager_test::CreateTensorWithValue(ddim,
phi::CPUPlace(),
phi::DataType::FLOAT32,
phi::DataLayout::NCHW,
5.0 /*value*/,
true /*is_leaf*/);
egr_utils_api::RetainGradForTensor(tensor);
// 3. Run Forward
// Run Forward Node 0
float scale0 = 2.0;
float bias0 = 3.0;
paddle::Tensor out0 = egr::scale(tensor,
scale0,
bias0,
true /*bias_after_scale*/,
true /*trace_backward*/);
egr_utils_api::RetainGradForTensor(out0); // hook: +5
egr_utils_api::RegisterGradientHookForTensor(out0,
hook_function); // hook: +5
// Run Forward Node 1
float scale1 = 5.0;
float bias1 = 10.0;
paddle::Tensor out1 = egr::scale(
out0, scale1, bias1, true /*bias_after_scale*/, true /*trace_backward*/);
egr_utils_api::RetainGradForTensor(out1); // hook: +5
egr_utils_api::RegisterGradientHookForTensor(out1,
hook_function); // hook: +5
// Run Forward Node 2
float scale2 = 10.0;
float bias2 = 20.0;
paddle::Tensor out2 = egr::scale(
out0, scale2, bias2, true /*bias_after_scale*/, true /*trace_backward*/);
egr_utils_api::RetainGradForTensor(out2); // hook: +5
egr_utils_api::RegisterGradientHookForTensor(out2,
hook_function); // hook: +5
// 4. Run Backward
std::vector<paddle::Tensor> outs = {out1, out2};
Backward(outs, {});
// Examine Backward Grad
// leaf grad
eager_test::CompareGradTensorWithValue<float>(tensor, 190.0);
// out0 grad
eager_test::CompareGradTensorWithValue<float>(out0, 90.0);
// out1 grad
eager_test::CompareGradTensorWithValue<float>(out1, 1.0);
// out2 grad
eager_test::CompareGradTensorWithValue<float>(out2, 1.0);
}
/*
inp
|
Node0
____|____
| |
Node1 Node2
| |
out1 out2
*/
TEST(FwdBwdJoint, CrossBatchAccumulation) {
eager_test::InitEnv(phi::CPUPlace());
// 1. Prepare Input
phi::DDim ddim = common::make_ddim({4, 16, 16, 32});
paddle::Tensor tensor =
eager_test::CreateTensorWithValue(ddim,
phi::CPUPlace(),
phi::DataType::FLOAT32,
phi::DataLayout::NCHW,
5.0 /*value*/,
true /*is_leaf*/);
egr_utils_api::RetainGradForTensor(tensor);
// 3. Run Forward
// Run Forward Node 0
float scale0 = 2.0;
float bias0 = 3.0;
paddle::Tensor out0 = egr::scale(tensor,
scale0,
bias0,
true /*bias_after_scale*/,
true /*trace_backward*/);
// Run Forward Node 1
float scale1 = 5.0;
float bias1 = 10.0;
paddle::Tensor out1 = egr::scale(
out0, scale1, bias1, true /*bias_after_scale*/, true /*trace_backward*/);
// Run Forward Node 2
float scale2 = 10.0;
float bias2 = 20.0;
paddle::Tensor out2 = egr::scale(
out0, scale2, bias2, true /*bias_after_scale*/, true /*trace_backward*/);
// 4. Run Backward
std::vector<paddle::Tensor> outs = {out1, out2};
Backward(outs, {});
// Examine Backward Grad
eager_test::CompareGradTensorWithValue<float>(tensor, 30.0);
// Cross Batch Accumulation
Backward(outs, {});
// Examine Backward Grad
eager_test::CompareGradTensorWithValue<float>(tensor, 60.0);
}
/* ---------------------------------------------------- */
/* ---------------------- CUDA Tests ------------------ */
/* ---------------------------------------------------- */
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
TEST(FwdBwdJoint, SingleNodeCUDA) {
eager_test::InitEnv(phi::GPUPlace());
// 1. Prepare Input
phi::DDim ddim = common::make_ddim({4, 16, 16, 32});
paddle::Tensor tensor =
eager_test::CreateTensorWithValue(ddim,
phi::GPUPlace(),
phi::DataType::FLOAT32,
phi::DataLayout::NCHW,
5.0 /*value*/,
true /*is_leaf*/);
egr_utils_api::RetainGradForTensor(tensor);
// 3. Run Forward
float scale = 2.0;
float bias = 3.0;
paddle::Tensor out = egr::scale(
tensor, scale, bias, true /*bias_after_scale*/, true /*trace_backward*/);
// Examine Forward Output
eager_test::CompareTensorWithValue<float>(out, 13.0);
std::vector<paddle::Tensor> outs = {out};
// 4. Run Backward
Backward(outs, {});
// Examine Backward Grad
eager_test::CompareGradTensorWithValue<float>(tensor, 2.0);
}
/*
inp
|
Node0
____|____
| |
Node1 Node2
| |
out1 out2
*/
TEST(FwdBwdJoint, BranchedNodesCUDA) {
eager_test::InitEnv(phi::GPUPlace());
// 1. Prepare Input
phi::DDim ddim = common::make_ddim({4, 16, 16, 32});
paddle::Tensor tensor =
eager_test::CreateTensorWithValue(ddim,
phi::GPUPlace(),
phi::DataType::FLOAT32,
phi::DataLayout::NCHW,
5.0 /*value*/,
true /*is_leaf*/);
egr_utils_api::RetainGradForTensor(tensor);
// 3. Run Forward
// Run Forward Node 0
float scale0 = 2.0;
float bias0 = 3.0;
paddle::Tensor out0 = egr::scale(tensor,
scale0,
bias0,
true /*bias_after_scale*/,
true /*trace_backward*/);
// Run Forward Node 1
float scale1 = 5.0;
float bias1 = 10.0;
paddle::Tensor out1 = egr::scale(
out0, scale1, bias1, true /*bias_after_scale*/, true /*trace_backward*/);
// Run Forward Node 2
float scale2 = 10.0;
float bias2 = 20.0;
paddle::Tensor out2 = egr::scale(
out0, scale2, bias2, true /*bias_after_scale*/, true /*trace_backward*/);
// Examine Forward Output 0
eager_test::CompareTensorWithValue<float>(out0, 13.0);
// Examine Forward Output 1
eager_test::CompareTensorWithValue<float>(out1, 75.0);
// Examine Forward Output 2
eager_test::CompareTensorWithValue<float>(out2, 150.0);
// TODO(jiabin): fix this with add functor
// 4. Run Backward
std::vector<paddle::Tensor> outs = {out1, out2};
Backward(outs, {});
// Examine Backward Grad
eager_test::CompareGradTensorWithValue<float>(tensor, 30.0);
}
#endif
} // namespace egr