Turbo provides a model as BertModelSmartBatch including a smart batching technique. Therefore most gemm operations are processed without zero-padding. In this way, 90 and 50 of the last two sequence computation are wasted.Īs an alternative, you have to pad the batch-gemm operations inside multi-headed attentions. Users can link turbo-transformers to your code through addsubdirectory.įor example, serving requests list of lengths (100, 10, 50), you need a preprocessing stage to pad them as lengths (100, 100, 100). One is to do one BERT inference using multiple threads the other is to do multiple BERT inference, each of which using one thread. Our example provides the GPU and two CPU multi-thread calling methods. Since the user of BERT acceleration always requires a customized post-processing process for the task, we provide an example of how to write a sequence classification application. We provide a shortcut for calling directly in python for the PyTorch saved model. In particular, we consider that most of the pre-trained models are in PyTorch format and used with python. The specific conversion method is to use the corresponding script in.tools to convert the pre-trained model into an npz format file, and turbo uses the C or python interface to load the npz format model. We hope to do our best to adapt to a variety of online environments to reduce the difficulty of development for users.

Moreover, it has already been applied to build services such as Chitchating, Searching, and Recommendation.

The end-to-end acceleration is obtained by adding a few lines of python code.įor example, It brings 1.88x acceleration to the WeChat FAQ service, 2.11x acceleration to the public cloud sentiment analysis service, and 13.6x acceleration to the QQ recommendation system. Batch Kartun Transformers Code And Involvedīackend is implemented with hand-crafted OpenMP and CUDA code and involved with some innovative tricks. You can change the batch size and the sequence length of the request in real-time. Make transformers serving fast by adding a turbo to your inference engine. Batch Kartun Transformers Code And Involved.Batch Kartun Transformers How To Write A.

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