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NovaSky's IsoExec Fixes the Hidden Math Bug Corrupting AI Training Runs

SkyRL's IsoExec makes vLLM rollout and Megatron training agree bitwise on token log-probabilities, cutting numerical drift below 1e-6 with 25% overhead.

NovaSky's IsoExec Fixes the Hidden Math Bug Corrupting AI Training Runs
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vLLM
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AlphaSignal Newsroom
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1 min read

SkyRL's IsoExec makes vLLM rollout and Megatron training agree bitwise on token log-probabilities, cutting numerical drift below 1e-6 with 25% overhead.

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