Neural Network Quantization and Pruning

Sources of Funding

Compusapien
WiPLASH H2020
Fvllmonti
SNF ML-edge
ACCESS


Convolutional Neural Networks (CNNs) can be compute-intense models that strain the capabilities of embedded devices executing them. Hardware accelerators support edge-computing environments by providing specialized resources to increase computation efficiency. Nevertheless, they usually reduce flexibility, either providing a limited set of operations or by supporting integer operands of specific bitwidth only. Therefore, an HW-SW co-design strategy is key in this context to synergically combine CNN optimizations with the underlying HW modules. Pruning and quantization are algorithmic-level transformations that effectively reduce memory requirements and computing complexity, potentially affecting CNN accuracies. As a consequence they need to be carefully employed, directly controlling accuracy degradation during the optimization phase, and by taking into account the HW characteristics to effectively leverage them to improve efficiency.



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