YouJiacheng: post-training needs high tps for long-tail rollouts

YouJiacheng · x · 2026-11-07

Responding to a discussion on inference throughput, YouJiacheng points out that post-training needs high tokens/sec because of long-tail rollouts — a few unusually long generation trajectories dominate the throughput requirement, a key constraint for RL post-training infrastructure.

Related event: Researchers Debate Whether Post-Train Long-Tail Rollouts Need High Token Throughput(2 posts)→

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