Add infer & test scripts for baidu_en8k model

examples/baidu_en8k/run_infer_golden.sh

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+#! /usr/bin/env bash
+
+cd ../.. > /dev/null
+
+# download language model
+cd models/lm > /dev/null
+sh download_lm_en.sh
+if [ $? -ne 0 ]; then
+    exit 1
+fi
+cd - > /dev/null
+
+
+# download well-trained model
+cd models/baidu_en8k > /dev/null
+sh download_model.sh
+if [ $? -ne 0 ]; then
+    exit 1
+fi
+cd - > /dev/null
+
+
+# infer
+CUDA_VISIBLE_DEVICES=0 \
+python -u infer.py \
+--num_samples=10 \
+--trainer_count=1 \
+--beam_size=500 \
+--num_proc_bsearch=5 \
+--num_conv_layers=2 \
+--num_rnn_layers=3 \
+--rnn_layer_size=1024 \
+--alpha=1.4 \
+--beta=0.35 \
+--cutoff_prob=1.0 \
+--cutoff_top_n=40 \
+--use_gru=True \
+--use_gpu=True \
+--share_rnn_weights=False \
+--infer_manifest='data/librispeech/manifest.test-clean' \
+--mean_std_path='models/baidu_en8k/mean_std.npz' \
+--vocab_path='models/baidu_en8k/vocab.txt' \
+--model_path='models/baidu_en8k/params.tar.gz' \
+--lang_model_path='models/lm/common_crawl_00.prune01111.trie.klm' \
+--decoding_method='ctc_beam_search' \
+--error_rate_type='wer' \
+--specgram_type='linear'
+
+if [ $? -ne 0 ]; then
+    echo "Failed in inference!"
+    exit 1
+fi
+
+
+exit 0

examples/baidu_en8k/run_test_golden.sh

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+#! /usr/bin/env bash
+
+cd ../.. > /dev/null
+
+# download language model
+cd models/lm > /dev/null
+sh download_lm_en.sh
+if [ $? -ne 0 ]; then
+    exit 1
+fi
+cd - > /dev/null
+
+
+# download well-trained model
+cd models/baidu_en8k > /dev/null
+sh download_model.sh
+if [ $? -ne 0 ]; then
+    exit 1
+fi
+cd - > /dev/null
+
+
+# evaluate model
+CUDA_VISIBLE_DEVICES=0,1,2,3 \
+python -u test.py \
+--batch_size=128 \
+--trainer_count=4 \
+--beam_size=500 \
+--num_proc_bsearch=8 \
+--num_proc_data=8 \
+--num_conv_layers=2 \
+--num_rnn_layers=3 \
+--rnn_layer_size=1024 \
+--alpha=1.4 \
+--beta=0.35 \
+--cutoff_prob=1.0 \
+--cutoff_top_n=40 \
+--use_gru=True \
+--use_gpu=True \
+--share_rnn_weights=False \
+--test_manifest='data/librispeech/manifest.test-clean' \
+--mean_std_path='models/baidu_en8k/mean_std.npz' \
+--vocab_path='models/baidu_en8k/vocab.txt' \
+--model_path='models/baidu_en8k/params.tar.gz' \
+--lang_model_path='models/lm/common_crawl_00.prune01111.trie.klm' \
+--decoding_method='ctc_beam_search' \
+--error_rate_type='wer' \
+--specgram_type='linear'
+
+if [ $? -ne 0 ]; then
+    echo "Failed in evaluation!"
+    exit 1
+fi
+
+exit 0