icefall/egs/librilight/SSL/pretrain.sh
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export PYTHONPATH=$(pwd)/../../..
./zipformer/pretrain.py \
--world-size 8 \
--num-epochs 30 \
--start-epoch 1 \
--use-fp16 1 \
--exp-dir zipformer/exp_pretrain \
--max-duration 650 \
--quadratic-duration 512 \
--accum-grad 1 \
--do-normalize 1 \
--mask-prob 0.8 \
--extractor-mode "layer_norm" \
--dropout-input 0.0 \
--dropout-features 0.0 \
--feature-grad-mult 1.0 \
--num-encoder-layers 2,2,3,4,3,2 \
--feedforward-dim 512,768,1024,1536,1024,768 \
--encoder-dim 192,256,448,768,448,192 \
--encoder-unmasked-dim 192,192,256,256,256,192 \
--base-lr 0.045