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	85a78d695d
	
	
	
		
			
			* Support FD block scheduler v1 * Support FD block scheduler v1 * Support FD block scheduler v1 * Fix according to copilot review * Fix according to review * Remove is_dummy * Fix bug when real_bsz=1 * Fix infer first token cost time --------- Co-authored-by: Jiang-Jia-Jun <163579578+Jiang-Jia-Jun@users.noreply.github.com>
		
			
				
	
	
		
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			92 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| // Copyright (c) 2025 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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| 
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| #include "helper.h"
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| 
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| __global__ void recover_decode_task(bool *stop_flags,
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|                                    int *seq_lens_this_time,
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|                                    int *seq_lens_encoder,
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|                                    int *seq_lens_decoder,
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|                                    int *step_seq_lens_decoder,
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|                                    int *block_tables,
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|                                    bool *is_block_step,
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|                                    const int bsz,
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|                                    const int block_num_per_seq,
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|                                    const int block_size) {
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|     int thread_idx = threadIdx.x;
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|     if (thread_idx < bsz) {
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|         if(is_block_step[thread_idx] == true) {
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|             int *block_table_now = block_tables + thread_idx * block_num_per_seq;
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|             if (block_table_now[step_seq_lens_decoder[thread_idx] / block_size] != -1) {
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|                     // can be recovered for decoding
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|                     is_block_step[thread_idx] = false;
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|                     seq_lens_this_time[thread_idx]= 1;
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|                     stop_flags[thread_idx] = false;
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|                     seq_lens_encoder[thread_idx] = 0;
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|                     seq_lens_decoder[thread_idx] = step_seq_lens_decoder[thread_idx];
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|                 }
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|         }
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|     }
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| }
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| 
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| void RecoverDecodeTask(const paddle::Tensor &stop_flags,
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|                    const paddle::Tensor &seq_lens_this_time,
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|                    const paddle::Tensor &seq_lens_encoder,
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|                    const paddle::Tensor &seq_lens_decoder,
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|                    const paddle::Tensor &step_seq_lens_decoder,
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|                    const paddle::Tensor &block_tables,
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|                    const paddle::Tensor &is_block_step,
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|                    const int block_size) {
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| #ifdef PADDLE_WITH_CUSTOM_DEVICE
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|     auto dev_ctx = static_cast<const phi::CustomContext*>(paddle::experimental::DeviceContextPool::Instance().Get(seq_lens_this_time.place()));
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|     auto cu_stream = dev_ctx->stream();
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| #else
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|     auto cu_stream = seq_lens_this_time.stream();
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| #endif
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|     const int bsz = seq_lens_this_time.shape()[0];
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|     const int block_num_per_seq = block_tables.shape()[1];
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|     recover_decode_task<<<1, 1024, 0, cu_stream>>>(
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|         const_cast<bool *>(stop_flags.data<bool>()),
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|         const_cast<int *>(seq_lens_this_time.data<int>()),
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|         const_cast<int *>(seq_lens_encoder.data<int>()),
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|         const_cast<int *>(seq_lens_decoder.data<int>()),
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|         const_cast<int *>(step_seq_lens_decoder.data<int>()),
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|         const_cast<int *>(block_tables.data<int>()),
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|         const_cast<bool *>(is_block_step.data<bool>()),
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|         bsz,
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|         block_num_per_seq,
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|         block_size);
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| }
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| 
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| PD_BUILD_STATIC_OP(recover_decode_task)
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|     .Inputs({"stop_flags",
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|              "seq_lens_this_time",
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|              "seq_lens_encoder",
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|              "seq_lens_decoder",
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|              "step_seq_lens_decoder",
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|              "block_tables",
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|              "is_block_step"})
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|     .Attrs({"block_size: int"})
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|     .Outputs({"seq_lens_this_time_out",
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|               "seq_lens_encoder_out",
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|               "seq_lens_decoder_out",
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|               "stop_flags_out",
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|               "is_block_step_out"})
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|     .SetInplaceMap({{"seq_lens_this_time", "seq_lens_this_time_out"},
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|                     {"seq_lens_encoder", "seq_lens_encoder_out"},
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|                     {"seq_lens_decoder", "seq_lens_decoder_out"},
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|                     {"stop_flags", "stop_flags_out"},
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|                     {"is_block_step", "is_block_step_out"}})
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|     .SetKernelFn(PD_KERNEL(RecoverDecodeTask));
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