Update Tacotron2+Waveglow checkpoints

Signed-off-by: Rajeev Rao <rajeevrao@nvidia.com>

demo/Tacotron2/README.md

@@ -27,10 +27,7 @@ Software version configuration tested for the instructions that follow:
 2. Install prerequisite software for TTS sample:
     ```bash
     cd $TRT_SOURCE/demo/Tacotron2
-
-    export LD_LIBRARY_PATH=$TRT_SOURCE/build/out:/tensorrt/lib:$LD_LIBRARY_PATH
     pip3 install /tensorrt/python/tensorrt-7.2*-cp36-none-linux_x86_64.whl
-
     bash ./scripts/install_prerequisites.sh
     ```
 3. Download pretrained checkpoints from [NGC](https://ngc.nvidia.com/catalog/models) into the `./checkpoints` directory:
@@ -48,13 +45,13 @@ Software version configuration tested for the instructions that follow:
 
 	```bash
 	mkdir -p output
-    python3 exports/export_tacotron2_onnx.py --tacotron2 ./checkpoints/tacotron2pyt_fp16_v3/tacotron2_1032590_6000_amp -o output/ --fp16
+    python3 exports/export_tacotron2_onnx.py --tacotron2 ./checkpoints/tacotron2_pyt_ckpt_amp_v19.09.0/nvidia_tacotron2pyt_fp16_20190427 -o output/ --fp16
 	```
 
     Export WaveGlow to ONNX IR:
 
 	```bash
-    python3 exports/export_waveglow_onnx.py --waveglow checkpoints/waveglow256pyt_fp16_v2/waveglow_1076430_14000_amp --wn-channels 256 -o output/ --fp16
+    python3 exports/export_waveglow_onnx.py --waveglow ./checkpoints/waveglow_ckpt_amp_256_v19.10.0/nvidia_waveglow256pyt_fp16 --wn-channels 256 -o output/ --fp16
 	```
 
 	After running the above commands, there should be four new ONNX files in `./output/` directory:

demo/Tacotron2/scripts/download_checkpoints.sh

@@ -19,13 +19,13 @@
 mkdir -p checkpoints && cd checkpoints
 
 # Download the Tacotron2 and Waveglow checkpoints
-if [ ! -f "checkpoints/tacotron2pyt_fp16_v3/tacotron2_1032590_6000_amp" ]; then
-    echo "Downloading Tacotron2 fp16 checkpoint from NGC"
-    ngc registry model download-version nvidia/tacotron2pyt_fp16:3
+if [ ! -f "checkpoints/tacotron2_pyt_ckpt_amp_v19.09.0/nvidia_tacotron2pyt_fp16_20190427" ]; then
+    echo "Downloading Tacotron2 checkpoint from NGC"
+    ngc registry model download-version nvidia/tacotron2_pyt_ckpt_amp:19.09.0
 fi;
-if [ ! -f "checkpoints/waveglow256pyt_fp16_v2/waveglow_1076430_14000_amp" ]; then
-    echo "Downloading Waveglow fp16 checkpoint from NGC"
-    ngc registry model download-version nvidia/waveglow256pyt_fp16:2
+if [ ! -f "checkpoints/waveglow_ckpt_amp_256_v19.10.0/nvidia_waveglow256pyt_fp16" ]; then
+    echo "Downloading Waveglow checkpoint from NGC"
+    ngc registry model download-version nvidia/waveglow_ckpt_amp_256:19.10.0
 fi;
 
 cd -

demo/Tacotron2/scripts/inference_benchmark.sh

@@ -18,4 +18,4 @@
 echo "TensorRT BS=1, S=128"
 bash test_infer.sh --test trt/test_infer_trt.py -bs 1 -il 128 --fp16 --num-iters 1003 --encoder ./output/encoder_fp16.engine --decoder ./output/decoder_iter_fp16.engine --postnet ./output/postnet_fp16.engine --waveglow ./output/waveglow_fp16.engine --wn-channels 256
 echo "PyTorch (GPU) BS=1, S=128"
-bash test_infer.sh -bs 1 -il 128 --fp16 --num-iters 1003 --tacotron2 ./checkpoints/tacotron2pyt_fp16_v3/tacotron2_1032590_6000_amp --waveglow ./checkpoints/waveglow256pyt_fp16_v2/waveglow_1076430_14000_amp --wn-channels 256
+bash test_infer.sh -bs 1 -il 128 --fp16 --num-iters 1003 --tacotron2 ./checkpoints/tacotron2_pyt_ckpt_amp_v19.09.0/nvidia_tacotron2pyt_fp16_20190427 --waveglow ./checkpoints/waveglow_ckpt_amp_256_v19.10.0/nvidia_waveglow256pyt_fp16 --wn-channels 256

demo/Tacotron2/scripts/install_prerequisites.sh

@@ -17,7 +17,7 @@
 
 pip3 install numba==0.48 torch==1.4.0
 pip3 install -r requirements.txt
-sudo apt-get install -y libsndfile1
+echo "nvidia" | sudo -S apt-get install -y libsndfile1
 
 pushd /tmp
 git clone https://github.com/NVIDIA/apex

demo/Tacotron2/test_infer.sh

@@ -18,8 +18,8 @@
 BATCH_SIZE=1
 INPUT_LENGTH=128
 NUM_ITERS=1003 # extra 3 iterations for warmup
-TACOTRON2_CKPT="tacotron2_1032590_6000_amp"
-WAVEGLOW_CKPT="waveglow_1076430_14000_amp"
+TACOTRON2_CKPT="nvidia_tacotron2pyt_fp16_20190427"
+WAVEGLOW_CKPT="nvidia_waveglow256pyt_fp16"
 RUN_MODE="" # = fp32
 LOG_RUN_MODE="gpu_fp32"
 TEST_PROGRAM="test_infer.py"