Why could input buffering make speculative rollback easier?
If a speculative sequence is rejected, the system can move its buffer pointer to the accepted prefix and ignore rejected records. This avoids restoring a full state snapshot for every rejected token. A later flush incorporates only committed records into the checkpoint. The value depends on buffer size, model design and the hardware’s actual bottleneck.
Answered in
ReplaySSM Changes What Hybrid AI Models Remember Between TokensReplaySSM stores a checkpoint and recent inputs to separate state reads from updates, with benefits that depend on workload and hardware.
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