Due to the CUDA implementation of the Attention kernel in ONNX Runtime, the maximum number of attention heads is 1024.It is recommended to use the latest released version of PyTorch and Transformers. Note that different versions of training or export tool might lead to different graph layouts. Any layout change in the subgraph might cause some optimization to not work. Most optimizations require exact match of a subgraph. Experimenting with disabling or enabling some fusions to evaluate impact on performance or accuracy.įor the list of models that have been tested with the optimizer, please refer to this page.The model has inputs with dynamic axis, which blocks some optimizations from being applied by ONNX Runtime due to shape inference.The model can be converted to use float16 to boost performance using mixed precision on GPUs with Tensor Cores (like V100 or T4). ONNX Runtime does not yet have transformer-specific graph optimization enabled.This optimization tool provides an offline capability to optimize transformer models in scenarios where ONNX Runtime does not apply the optimization at load time. These additional optimizations can be applied using the transformer optimization tool to tune models for the best performance. While ONNX Runtime automatically applies most optimizations while loading transformer models, some of the latest optimizations that have not yet been integrated into ONNX Runtime. Transformer Model Optimization Tool Overview This site uses Just the Docs, a documentation theme for Jekyll. Object detection with Faster RCNN in C#.Image recognition with ResNet50v2 in C#.Custom Excel Functions for BERT Tasks in JavaScript.
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