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Model Compression — Pruning, Quantization, Distillation

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Model Compression — Making Deep Learning Fast and Efficient

Deep learning models are often over-parameterized for deployment. Model compression reduces model size and computation through pruning, quantization, and knowledge distillation — enabling deployment on edge devices while maintaining accuracy and reducing inference costs.

  • Key point 1 — Structured pruning removes entire filters for direct speedup on standard hardware
  • Key point 2 — INT8 quantization achieves 4x compression with minimal accuracy loss
  • Key point 3 — Knowledge distillation transfers teacher knowledge to compact student models

"The best model is one that runs everywhere, not just in the lab."

Model Compression

Deep learning models are often over-parameterized for deployment. Model compression reduces model size and computation while maintaining accuracy, enabling deployment on edge devices and reducing inference costs.


Unstructured Pruning


Structured Pruning


Quantization

Model Compression TechniquesOriginal ModelFP32 Weights100M paramsPruningRemove small weightsStructured: filters/heads50-90% sparsityQuantizationReduce precisionFP32 → INT8/INT44-8x compressionDistillationTeacher → StudentLearn from soft targets10-100x smallerCompressed ModelSame accuracy, 10-100x smallerReady for edge deploymentTechnique ComparisonPruning: sparse, needs hardware support | Quantization: dense, universal speedup | Distillation: new model, best accuracy

Knowledge Distillation

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