Fake balanced routing in MoE #1670
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rakkit
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we can set
DEBUG_FORCE_LOAD_BALANCED=1to force each experts get same amount of tokens.reprodue:
DEBUG_FORCE_LOAD_BALANCED=1 CONFIG_FILE="./torchtitan/models/deepseek_v3/train_configs/debug_model.toml" NGPU=4 ./run_train.sh --compile.enablehere is test on 8layers, 8 activate and 64 total experts. Green one is vanilla one and purple one is with force load balance
