NVIDIA-NeMo/Speech

Speed up RNNT model inference using TRT

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#14.531 aberto em 20 de ago. de 2025

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Description

Hi,

I previously trained an RNNT model and now want to accelerate it by converting it to TensorRT. I’ve exported the model to ONNX and have encoder.onnx and decoder.onnx.

I’m using the TensorRT 25.03 Docker image and trtexec to convert the models. The decoder works fine with --fp16, but when I use --fp16 for the encoder, some outputs return NaN and the results are incorrect.

Has anyone encountered this issue or knows how to fix it?

Are there any methods to accelerate RNNT model inference?

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