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FastDeploy/custom_ops/gpu_ops/speculate_decoding/speculate_get_output.cc
2025-06-29 23:29:37 +00:00

119 lines
3.8 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 <stdio.h>
#include <string.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <sys/types.h>
#include "paddle/extension.h"
#ifndef PD_BUILD_STATIC_OP
#define PD_BUILD_STATIC_OP(name) PD_BUILD_OP(static_op_##name)
#endif
#define MAX_BSZ 256
#define MAX_DRAFT_TOKENS 6
struct msgdata {
int64_t mtype;
int mtext[MAX_BSZ * MAX_DRAFT_TOKENS + MAX_BSZ +
2]; // stop_flag, bsz, accept_num*bsz, tokens...
};
void SpeculateGetOutput(const paddle::Tensor& x,
int64_t rank_id,
bool wait_flag,
int msg_queue_id,
bool get_each_rank) {
if (!get_each_rank && rank_id > 0) {
return;
}
if (const char* inference_msg_queue_id_env_p =
std::getenv("INFERENCE_MSG_QUEUE_ID")) {
std::string inference_msg_queue_id_env_str(
inference_msg_queue_id_env_p);
int inference_msg_queue_id_from_env =
std::stoi(inference_msg_queue_id_env_str);
#ifdef GET_OUTPUT_DEBUG
std::cout << "Your INFERENCE_MSG_QUEUE_ID is: "
<< inference_msg_queue_id_from_env << std::endl;
#endif
msg_queue_id = inference_msg_queue_id_from_env;
}
static struct msgdata msg_rcv;
static key_t key = ftok("./", msg_queue_id);
static int msgid = msgget(key, IPC_CREAT | 0666);
int64_t* out_data = const_cast<int64_t*>(x.data<int64_t>());
int ret = -1;
if (!wait_flag) {
ret = msgrcv(msgid,
&msg_rcv,
(MAX_BSZ * MAX_DRAFT_TOKENS + MAX_BSZ + 2) * 4,
0,
IPC_NOWAIT);
} else {
ret = msgrcv(msgid,
&msg_rcv,
(MAX_BSZ * MAX_DRAFT_TOKENS + MAX_BSZ + 2) * 4,
0,
0);
}
if (ret == -1) {
out_data[0] = -2;
out_data[1] = 0;
return;
}
int bsz = msg_rcv.mtext[1];
for (int64_t i = 0; i < MAX_BSZ * MAX_DRAFT_TOKENS + MAX_BSZ + 2; i++) {
out_data[i] = (int64_t)msg_rcv.mtext[i];
}
return;
}
void SpeculateGetOutputStatic(const paddle::Tensor& x,
int64_t rank_id,
bool wait_flag,
bool get_each_rank) {
SpeculateGetOutput(x, rank_id, wait_flag, 1, get_each_rank);
}
void SpeculateGetOutputDynamic(const paddle::Tensor& x,
int64_t rank_id,
bool wait_flag,
int msg_queue_id,
bool get_each_rank) {
SpeculateGetOutput(x, rank_id, wait_flag, msg_queue_id, get_each_rank);
}
PD_BUILD_STATIC_OP(speculate_get_output)
.Inputs({"x"})
.Attrs({"rank_id: int64_t", "wait_flag: bool", "get_each_rank: bool"})
.Outputs({"x_out"})
.SetInplaceMap({{"x", "x_out"}})
.SetKernelFn(PD_KERNEL(SpeculateGetOutputStatic));
PD_BUILD_STATIC_OP(speculate_get_output_dynamic)
.Inputs({"x"})
.Attrs({"rank_id: int64_t", "wait_flag: bool", "msg_queue_id: int", "get_each_rank: bool"})
.Outputs({"x_out"})
.SetInplaceMap({{"x", "x_out"}})
.SetKernelFn(PD_KERNEL(SpeculateGetOutputDynamic));