wehub-resource-sync
83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <string.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/types.h>
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#include "paddle/extension.h"
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#define SPECULATE_MAX_BSZ 256
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#define MAX_DRAFT_TOKENS 6
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struct msgdata {
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long mtype;
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int mtext[SPECULATE_MAX_BSZ * MAX_DRAFT_TOKENS + SPECULATE_MAX_BSZ + 2]; // stop_flag, bsz, accept_num*bsz, tokens...
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};
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void SpeculateSaveWithOutputMsg(const paddle::Tensor& accept_tokens,
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const paddle::Tensor& accept_num,
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const paddle::Tensor& not_need_stop, // cpu
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int64_t rank_id) {
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if (rank_id > 0) return;
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int max_draft_tokens = accept_tokens.shape()[1];
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auto accept_tokens_cpu = accept_tokens.copy_to(paddle::CPUPlace(), false);
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auto accept_num_cpu = accept_num.copy_to(paddle::CPUPlace(), false);
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int64_t *accept_tokens_data = accept_tokens_cpu.data<int64_t>();
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int *accept_num_data = accept_num_cpu.data<int>();
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bool not_need_stop_data = not_need_stop.data<bool>()[0];
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static struct msgdata msg_sed;
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static key_t key = ftok("./", 1);
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static int msgid = msgget(key, IPC_CREAT | 0666);
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msg_sed.mtype = 1;
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msg_sed.mtext[0] = not_need_stop_data ? 1 : -1;
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int bsz = accept_tokens.shape()[0];
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msg_sed.mtext[1] = bsz;
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for (int i = 2; i < SPECULATE_MAX_BSZ + 2; i++) {
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if (i - 2 >= bsz) {
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msg_sed.mtext[i] = 0;
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} else {
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msg_sed.mtext[i] = (int)accept_num_data[i - 2];
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}
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}
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for (int i = SPECULATE_MAX_BSZ + 2; i < SPECULATE_MAX_BSZ * MAX_DRAFT_TOKENS + SPECULATE_MAX_BSZ + 2; i++) {
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int token_id = i - SPECULATE_MAX_BSZ - 2;
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int bid = token_id / MAX_DRAFT_TOKENS;
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int local_token_id = token_id % MAX_DRAFT_TOKENS;
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if (token_id / MAX_DRAFT_TOKENS >= bsz) {
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msg_sed.mtext[i] = 0;
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} else {
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msg_sed.mtext[i] = accept_tokens_data[bid * max_draft_tokens + local_token_id];
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}
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}
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if ((msgsnd(msgid, &msg_sed, (SPECULATE_MAX_BSZ * MAX_DRAFT_TOKENS + SPECULATE_MAX_BSZ + 2) * 4, 0)) == -1) {
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printf("full msg buffer\n");
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}
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return;
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}
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PD_BUILD_OP(speculate_save_output)
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.Inputs({"accept_tokens", "accept_num", "not_need_stop"})
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.Attrs({"rank_id: int64_t"})
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.Outputs({"x_out"})
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.SetInplaceMap({{"accept_tokens", "x_out"}})
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.SetKernelFn(PD_KERNEL(SpeculateSaveWithOutputMsg));
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