[Cherry-Pick][Feature] Support redundant expert for eplb (#5918) #5923
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## release/online/20251131 #5923 +/- ##
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yuanlehome
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Jan 9, 2026
| self.num_hidden_layers = num_hidden_layers | ||
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| self.num_replicas = self.num_expert + self.redundant_experts_num | ||
| self.num_nodes = max(ep_size // 8, 1) |
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这部分修改就是为了适配单机/多机，测试来看num_nodes=8能够保证初始化专家排布的正确性
bukejiyu
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PaddlePaddle:release/online/20251131
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Motivation
--eplb-config '{"redundant_experts_num": 32, "redundant_expert_async_load_model_shmem_size_gb": 10}'
Modifications
Usage or Command
Accuracy Tests
Checklist
[FDConfig],[APIServer],[Engine],[Scheduler],[PD Disaggregation],[Executor],[Graph Optimization],[Speculative Decoding],[RL],[Models],[Quantization],[Loader],[OP],[KVCache],[DataProcessor],[BugFix],[Docs],[CI],[Optimization],[Feature],[Benchmark],[Others],[XPU],[HPU],[GCU],[DCU],[Iluvatar],[Metax]]pre-commitbefore commit.releasebranch, make sure the PR has been submitted to thedevelopbranch, then cherry-pick it to thereleasebranch with the[Cherry-Pick]PR tag.