Files
FastDeploy/custom_ops/cpu_ops/update_inputs.cc
2025-09-08 15:22:41 +08:00

94 lines
4.1 KiB
C++

// Copyright (c) 2024 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/extension.h"
void update_inputs_kernel(bool *not_need_stop,
int *seq_lens_this_time,
int *seq_lens_encoder,
int *seq_lens_decoder,
int64_t *input_ids,
const int64_t *stop_nums,
const bool *stop_flags,
const bool *is_block_step,
const int64_t *next_tokens,
const int bsz,
const int input_ids_stride) {
int64_t stop_sum = 0;
for (int bi = 0; bi < bsz; ++bi) {
bool stop_flag_now = false;
int64_t stop_flag_now_int = 0;
stop_flag_now = stop_flags[bi];
stop_flag_now_int = static_cast<int64_t>(stop_flag_now);
auto seq_len_this_time = seq_lens_this_time[bi];
auto seq_len_encoder = seq_lens_encoder[bi];
auto seq_len_decoder = seq_lens_decoder[bi];
seq_lens_decoder[bi] =
stop_flag_now ? 0
: (seq_len_decoder == 0 ? seq_len_encoder
: seq_len_decoder + 1);
seq_lens_this_time[bi] = stop_flag_now ? 0 : 1;
seq_lens_encoder[bi] = 0;
int64_t *input_ids_now = input_ids + bi * input_ids_stride;
input_ids_now[0] = next_tokens[bi];
stop_sum += stop_flag_now_int;
}
not_need_stop[0] = stop_sum < stop_nums[0];
}
void UpdateInputs(const paddle::Tensor &stop_flags,
const paddle::Tensor &not_need_stop,
const paddle::Tensor &seq_lens_this_time,
const paddle::Tensor &seq_lens_encoder,
const paddle::Tensor &seq_lens_decoder,
const paddle::Tensor &input_ids,
const paddle::Tensor &stop_nums,
const paddle::Tensor &next_tokens,
const paddle::Tensor &is_block_step) {
const int bsz = input_ids.shape()[0];
const int input_ids_stride = input_ids.shape()[1];
update_inputs_kernel(const_cast<bool *>(not_need_stop.data<bool>()),
const_cast<int *>(seq_lens_this_time.data<int>()),
const_cast<int *>(seq_lens_encoder.data<int>()),
const_cast<int *>(seq_lens_decoder.data<int>()),
const_cast<int64_t *>(input_ids.data<int64_t>()),
stop_nums.data<int64_t>(),
stop_flags.data<bool>(),
is_block_step.data<bool>(),
next_tokens.data<int64_t>(),
bsz,
input_ids_stride);
}
PD_BUILD_STATIC_OP(update_inputs_cpu)
.Inputs({"stop_flags",
"not_need_stop",
"seq_lens_this_time",
"seq_lens_encoder",
"seq_lens_decoder",
"input_ids",
"stop_nums",
"next_tokens",
"is_block_step"})
.Outputs({"not_need_stop_out",
"seq_lens_this_time_out",
"seq_lens_encoder_out",
"seq_lens_decoder_out",
"input_ids_out"})
.SetInplaceMap({{"not_need_stop", "not_need_stop_out"},
{"seq_lens_this_time", "seq_lens_this_time_out"},
{"seq_lens_encoder", "seq_lens_encoder_out"},
{"seq_lens_decoder", "seq_lens_decoder_out"},
{"input_ids", "input_ids_out"}})
.SetKernelFn(PD_KERNEL(UpdateInputs));