bitsandbytes: Practical 8‑bit/4‑bit Optimization for LLM Training and Inference
English | 6 May 2026 | ASIN: B0GZVHGCD1 | 265 pages | EPUB (True) | 9.43 MB
"bitsandbytes: Practical 8‑bit/4‑bit Optimization for LLM Training and Inference"Large language models are increasingly constrained not by ambition, but by memory, bandwidth, and operational cost. This book is written for experienced practitioners-ML engineers, research engineers, and systems-minded applied scientists-who need to make quantization work reliably in real environments. Rather than treating bitsandbytes as a convenience flag, it presents it as a serious systems tool for fitting, tuning, and serving large models under hard hardware limits.Across the book, readers learn how bitsandbytes integrates into the modern Hugging Face stack, when to choose LLM.int8() versus 4-bit QLoRA workflows, and how to reason about device mapping, CPU offload, compute dtypes, NF4/FP4 formats, double quantization, and outlier-threshold tuning. It also covers adapter-based finetuning on quantized bases, benchmarking methodology, numerical debugging, and production hardening, so readers can move from configuration literacy to evidence-driven design and deployment.The treatment is version-aware, backend-conscious, and unapologetically practical. It assumes familiarity with transformer models, PyTorch-style training and inference workflows, and the broader LLM tooling ecosystem. Structured as a progressive technical guide, the book emphasizes trade-offs, failure modes, and reproducible decision-making-making it especially valuable for readers who already know the APIs and now want to master the engineering behind them.
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