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

184 lines
7.7 KiB
C++

// Copyright (c) 2023 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 "paddle/phi/kernels/warpctc_kernel.h"
#include "paddle/phi/backends/xpu/enforce_xpu.h"
#include "paddle/phi/backends/xpu/xpu_context.h"
#include "paddle/phi/core/kernel_registry.h"
namespace phi {
template <typename T, typename Context>
void WarpctcKernel(const Context& dev_ctx,
const DenseTensor& logits,
const DenseTensor& label,
const optional<DenseTensor>& logits_length,
const optional<DenseTensor>& labels_length,
int blank,
bool norm_by_times,
DenseTensor* loss,
DenseTensor* warpctcgrad) {
bool has_logits_length = logits_length.is_initialized();
if (!has_logits_length) {
PADDLE_THROW(common::errors::External(
"XPU only support logits_length is_initialized"));
}
bool has_labels_length = labels_length.is_initialized();
if (!has_labels_length) {
PADDLE_THROW(common::errors::External(
"XPU only support labels_length is_initialized"));
}
int64_t max_sequence_length = logits.dims()[0];
int64_t num_sequences = logits.dims()[1];
int64_t sequence_width = logits.dims()[2];
int64_t max_target_seq_length = label.dims()[1];
PADDLE_ENFORCE_GT(max_sequence_length,
0,
common::errors::InvalidArgument(
"The first dimension of Input(Logits) should be "
"greater than zero "
"but received %d. ",
max_sequence_length));
PADDLE_ENFORCE_GT(num_sequences,
0,
common::errors::InvalidArgument(
"The second dimension of Input(Logits) should be "
"greater than zero "
"but received %d. ",
num_sequences));
PADDLE_ENFORCE_GT(sequence_width,
0,
common::errors::InvalidArgument(
"The third dimension of Input(Logits) should be "
"greater than zero "
"but received %d. ",
sequence_width));
PADDLE_ENFORCE_GE(
blank,
0,
common::errors::InvalidArgument("Input(blank) should be "
"equal or greater than zero "
"but received %d. ",
blank));
PADDLE_ENFORCE_LT(blank,
sequence_width,
common::errors::InvalidArgument("Input(blank) should be "
"less than %d "
"but received %d. ",
sequence_width,
blank));
auto logits_length_dtype = logits_length.get_ptr()->dtype();
auto labels_length_dtype = labels_length.get_ptr()->dtype();
PADDLE_ENFORCE_EQ(logits_length_dtype == labels_length_dtype,
true,
common::errors::InvalidArgument(
"The data type of Input(logits_length) and "
"Input(labels_length) should be equal. "));
PADDLE_ENFORCE_EQ(logits_length_dtype == DataType::INT32 ||
logits_length_dtype == DataType::INT64,
true,
common::errors::InvalidArgument(
"The data type of Input(logits_length) should be "
"either %s or %s, "
"but received %s. ",
DataTypeToString(DataType::INT32),
DataTypeToString(DataType::INT64),
DataTypeToString(logits_length_dtype)));
PADDLE_ENFORCE_EQ(labels_length_dtype == DataType::INT32 ||
labels_length_dtype == DataType::INT64,
true,
common::errors::InvalidArgument(
"The data type of Input(labels_length) should be "
"either %s or %s, "
"but received %s. ",
DataTypeToString(DataType::INT32),
DataTypeToString(DataType::INT64),
DataTypeToString(labels_length_dtype)));
warpctcgrad->Resize(
make_ddim({max_sequence_length, num_sequences, sequence_width}));
dev_ctx.template Alloc<T>(warpctcgrad);
T* warpctcgrad_data = warpctcgrad->data<T>();
int64_t sm_workspace, lm_workspace;
int64_t max_S = 2 * max_target_seq_length + 1;
if (warpctcgrad_data == nullptr) {
sm_workspace = sizeof(T) * sequence_width +
sizeof(int) * max_target_seq_length + sizeof(int);
lm_workspace = 2 * max_S * sizeof(T) + 2 * max_S * sizeof(int);
} else {
sm_workspace = sizeof(T) * sequence_width +
sizeof(int) * max_target_seq_length + sizeof(int);
lm_workspace = 4 * max_S * sizeof(T) + 2 * max_S * sizeof(int) +
sequence_width * sizeof(T);
}
PADDLE_ENFORCE_LE(
sm_workspace + lm_workspace,
256 * 1024,
common::errors::InvalidArgument(
"Input size should be equal or less than %d for xpu warpctc kernel, "
"but size %d is received. ",
256 * 1024,
sm_workspace + lm_workspace));
loss->Resize({num_sequences, 1});
dev_ctx.template Alloc<T>(loss);
T* loss_data = loss->data<T>();
const T* logits_data = logits.data<T>();
const int* label_data = label.data<int>();
int r;
if (logits_length_dtype == DataType::INT32) {
auto logits_length_data = logits_length.get_ptr()->data<int>();
auto labels_length_data = labels_length.get_ptr()->data<int>();
r = xpu::ctc_loss<T, int>(dev_ctx.x_context(),
logits_data,
label_data,
loss_data,
warpctcgrad_data,
logits_length_data,
labels_length_data,
max_sequence_length,
num_sequences,
sequence_width,
max_target_seq_length,
blank);
} else {
auto logits_length_data = logits_length.get_ptr()->data<int64_t>();
auto labels_length_data = labels_length.get_ptr()->data<int64_t>();
r = xpu::ctc_loss<T, int64_t>(dev_ctx.x_context(),
logits_data,
label_data,
loss_data,
warpctcgrad_data,
logits_length_data,
labels_length_data,
max_sequence_length,
num_sequences,
sequence_width,
max_target_seq_length,
blank);
}
PADDLE_ENFORCE_XDNN_SUCCESS(r, "ctc_loss");
}
} // namespace phi
PD_REGISTER_KERNEL(warpctc, XPU, ALL_LAYOUT, phi::WarpctcKernel, float) {}