Unverified50% confidenceCautionExact time
FP8动态范围较窄，在反向传播和梯度累积时容易出现数值溢出或下溢，因此训练侧actor保持BF16精度
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
DeepSeek-V4 Flash RL Training Successfully Ported to AMD MI355X GPU: A Complete Breakdown
twitterlmsysorg7/10/2026
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