TTFT Compute Bound Analysis and Inter-token Latency Jitter
Parent: Local Inference Acceleration: Memory Architectures, Metal Kernels, and Latency Optimization · Published reference · snapshot 2026-09-30
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Source-anchored research for TTFT Compute Bound Analysis and Inter-token Latency Jitter. Run status: COMPLETED.
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How it works
- Inter-token latency variance (jitter) is primarily induced by dynamic KV cache heap allocations and memory compaction pauses when context thresholds are crossed. (high confidence) [source]
Facts and statements
- TTFT scales with prompt length in proportion to compute matrix FLOPs (O(N)), while sequential token generation scales purely with memory bandwidth per token (O(1)). (high confidence) [source]
Children
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