AI 101
+1
10 min read
Nov 5, 2025
What matters for RL? Precision! Switching BF16 → FP16
BF16 vs FP16: how switching precision during RL fine-tuning fixes training-inference mismatch, stabilizes GRPO, and why Karpathy applied it to nanochat.
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AI 101
+1
10 min read
Nov 5, 2025
BF16 vs FP16: how switching precision during RL fine-tuning fixes training-inference mismatch, stabilizes GRPO, and why Karpathy applied it to nanochat.
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