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Model Quantization & Pruning: Efficient Deployment of Large ML Models

Tencent unveils a Deepseek competitor

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Welcome to learning edition of the Data Pragmatist, your dose of all things data science and AI.

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💥 OpenAI study finds links between ChatGPT use and loneliness LINK

  • Research by OpenAI and MIT indicates that using ChatGPT for "personal conversations" may be linked to increased loneliness, especially among users who engage emotionally with the chatbot.

  • The negative impacts of these interactions are more pronounced in individuals with a strong tendency toward attachment and those who perceive the AI as a friend.

  • The findings were based on a Randomized Controlled Trial with 1,000 users and an analysis of 40 million interactions, highlighting a niche use case for emotional conversations with ChatGPT.

🧠 Tencent unveils a Deepseek competitor LINK

  • Tencent launched its new 'T1' reasoning model, which uses large-scale reinforcement learning similar to DeepSeek's R1 model, and outperformed it on the MMLU Pro benchmark.

  • The T1 model achieved 91.8 points in the C-Eval suite for Chinese language skills, matching DeepSeek-R1 and surpassing OpenAI's o1, which scored 87.8 in this evaluation.

  • Tencent's T1 offers competitive pricing, charging 1 yuan per million tokens for input and 4 yuan for output, matching DeepSeek-R1's rates during daytime hours.

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🧠Model Quantization & Pruning: Efficient Deployment of Large ML Models

With the rapid growth of machine learning (ML) models, particularly deep learning models, deploying them efficiently has become a challenge. Large models require significant computational resources, making them difficult to deploy on edge devices or in real-time applications. Two popular techniques to optimize these models are quantization and pruning.

Model Quantization

Quantization is a process that reduces the precision of numerical values in a model. Most ML models use floating-point (FP32) representations, which consume more memory and computational power. Quantization reduces this precision to lower-bit representations such as FP16, INT8, or even INT4, making models more efficient.

  • Post-training quantization (PTQ): Applied after training, reducing model size without retraining.

  • Quantization-aware training (QAT): Incorporates quantization during training to improve accuracy retention.

Quantization leads to faster inference speeds and reduced memory requirements, making it suitable for mobile and edge applications. However, it can sometimes degrade model accuracy.

Model Pruning

Pruning removes unnecessary weights or neurons from a model to make it smaller and faster. There are different types of pruning techniques:

  • Weight pruning: Eliminates individual weights based on magnitude.

  • Neuron pruning: Removes entire neurons or channels to simplify the network.

  • Structured vs. unstructured pruning: Structured pruning removes entire layers or filters, while unstructured pruning removes specific weights.

Pruning helps reduce inference time and storage requirements, enabling efficient deployment. However, aggressive pruning can impact model performance.

Combining Quantization and Pruning

To maximize efficiency, both quantization and pruning can be applied together. Pruning reduces model complexity, and quantization further compresses it, leading to highly optimized models for deployment.

Conclusion

Model quantization and pruning are essential techniques for deploying large ML models efficiently, especially on resource-constrained devices. While they help reduce model size and computation costs, careful implementation is required to balance efficiency and accuracy.

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1. Pymetrics

Pymetrics uses neuroscience-based games and AI to assess candidates' cognitive and emotional traits. It matches job seekers with roles based on their soft skills, reducing bias in hiring. The platform also provides insights into workforce diversity and talent development.

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X0PA AI is an AI-driven recruitment and talent analytics platform designed to enhance hiring accuracy while promoting diversity and inclusion. It offers automated candidate scoring, predictive hiring analytics, and AI-powered video interviews.

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Eightfold AI leverages deep learning to optimize talent acquisition, talent management, and workforce planning. It helps HR teams identify skill gaps, recommend internal promotions, and predict future hiring needs.

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