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Chain of Compression: A Systematic Approach to Combinationally Compress Convolutional Neural Networks


แนวคิดหลัก
Optimizing the sequence of multiple compression techniques significantly reduces computation costs with minimal accuracy loss.
บทคัดย่อ

The content explores the Chain of Compression, proposing an optimal sequence for combining various compression techniques to reduce computation costs in neural networks. It discusses interactions between compression methods, the impact of repeating compression, and provides an evaluation of end-to-end performance on popular CNN architectures across different datasets.

1. Introduction

  • Deep learning models on resource-constrained systems pose challenges due to high computational costs.
  • Various compression techniques have been developed to reduce computational complexity.
  • Approaches operate at different granularities or stages, offline or dynamically at runtime.

2. Data Compression Pipeline

  • Distillation, pruning, quantization, and early exit are integrated into the compression pipeline.
  • The Chain of Compression framework combines diverse compression techniques in a sequential chain.

3. Interaction Between Two Approaches

  • Complementary features observed when applying two compressions with an optimal sequence.
  • Sequence impacts compression rate and inference accuracy.
  • Optimal sequence transitions from large to small granularity and static to dynamic compression.

4. Adding Additional Compression

  • Inserting additional compression approaches maintains the established sequence.
  • Pruning should be ahead of early exit, quantization ahead of pruning, and early exit ahead of quantization.

5. Combinational Sequence Law

  • Established sequence remains unaffected by inserting more compression approaches.
  • Optimal sequence law transitions from distillation to pruning, quantization, and early exit.

6. Repeating the Compression

  • Continuous repetition of a single compression method does not significantly enhance performance.
  • Repeating quantization after the optimal sequence disrupts the established sequence.

7. Evaluation

  • The proposed Chain of Compression achieves remarkable compression ratios across diverse benchmarks.
  • Superior performance compared to other state-of-the-art compression methods.
  • Maintains high post-compression accuracy while achieving significant compression.

8. Related Work

  • Various compression techniques explored in recent years to support neural networks on lightweight platforms.
  • Proposed Chain of Compression demonstrates superior performance compared to other methods.
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สถิติ
To release this burden, model compression has become an important research focus. Many approaches like quantization, pruning, early exit, and knowledge distillation have demonstrated the effect of reducing redundancy in neural networks. Our proposed Chain of Compression can significantly compress the computation cost by 100-1000 times with an ignorable accuracy loss compared with the baseline model.
คำพูด
"Applying two compressions with the optimal sequence can achieve better compression performance compared to an individual single compression." "The sequence of applying two compression approaches will directly impact the compression rate and inference accuracy."

ข้อมูลเชิงลึกที่สำคัญจาก

by Yingtao Shen... ที่ arxiv.org 03-27-2024

https://arxiv.org/pdf/2403.17447.pdf
Chain of Compression

สอบถามเพิ่มเติม

What are the implications of maintaining the optimal sequence in neural network compression

Maintaining the optimal sequence in neural network compression has significant implications for the overall performance and efficiency of the compressed models. By following the established sequence of compression techniques, such as distillation, pruning, quantization, and early exit, the neural network can achieve maximum compression while minimizing accuracy loss. This optimal sequence ensures that each compression method builds upon the previous one, leveraging their unique features and complementing each other's effects. By maintaining the optimal sequence, the neural network can be compressed by up to 1000 times with minimal accuracy loss compared to the baseline model. This level of compression is crucial for deploying deep learning models on resource-constrained systems, such as mobile and embedded devices, where computational and memory resources are limited. Additionally, the optimal sequence ensures that the compressed models retain high inference accuracy, making them suitable for real-world applications.

How does the proposed Chain of Compression compare to other state-of-the-art compression methods

The proposed Chain of Compression stands out compared to other state-of-the-art compression methods due to its systematic approach to combining multiple compression techniques. While other methods may focus on individual compression techniques or specific scenarios, the Chain of Compression explores the interactions between different compression approaches and establishes an optimal sequence for applying them. This systematic approach allows for significant compression of neural networks while maintaining high accuracy, making it a versatile and effective method for model compression. In comparison to other compression methods that combine different techniques, the Chain of Compression demonstrates superior performance in terms of BitOps compression ratio and model size reduction. The results show that the Chain of Compression can achieve remarkable compression ratios ranging from hundreds to over 1000 times, making it highly effective for reducing the computational cost of neural networks.

How can the findings of this study be applied to real-world scenarios beyond neural network compression

The findings of this study have several implications for real-world scenarios beyond neural network compression. Resource-Constrained Systems: The optimal sequence and combinational approach proposed in the study can be applied to deploy deep learning models on resource-constrained systems, such as IoT devices, edge devices, and mobile platforms. By compressing neural networks effectively, these devices can perform complex tasks with limited computational resources. Efficient Model Deployment: The systematic approach to compression can be applied in various industries where efficient model deployment is crucial. For example, in healthcare for medical image analysis, in finance for fraud detection, and in autonomous vehicles for object recognition, the compressed models can enhance performance while reducing computational overhead. Energy Efficiency: Compressed models consume less energy during inference, making them ideal for applications where energy efficiency is a priority. This can benefit sectors like smart grids, environmental monitoring, and smart buildings, where energy consumption needs to be optimized. Overall, the findings of this study can be translated into practical applications across diverse domains, enabling the deployment of efficient and accurate deep learning models in real-world scenarios.
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