# Mixed Precision Training Derinlemesine: BF16, FP16, FP8, autocast, GradScaler — Production Patterns

> Source: https://sukruyusufkaya.com/learn/llm-muhendisligi/mixed-precision-bf16-fp16-fp8-autocast
> Updated: 2026-08-18T15:07:40.203Z
> Category: LLM Mühendisliği
> Module: Modül 5: PyTorch Mühendisliği — Engineer-Grade
**TLDR:** Modül 1.9'da numerik stabilite temellerini gördük. Bu derste production mixed precision: autocast region tasarımı, GradScaler dinamikleri, FP8 H100/B200 native training (DeepSeek-V3 yöntemi), gradient norm monitoring, loss spike investigation, BF16 vs FP16 production karar matrisi.