Verified75% confidenceFactExact time
The Prefill phase is a compute-intensive task with high demands on compute power; the Decode phase is a memory-access-intensive task that is sensitive to GPU memory bandwidth.
3
Sources
75%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe prefill phase requires processing all input tokens at once and is a compute-intensive operation, whereas the decode phase generates only one token per step and is a memory-bandwidth-intensive operation.75% similarUnverifiedSeparating Prefill and Decode to run on different resources is the mainstream architecture for optimizing resource utilization in current large-scale inference services.74% similarUnverifiedDisaggregation technology splits the prefill and decode stages onto different hardware for processing.69% similarUnverifiedTTFT is determined by the Prefill phase and is compute-bound, while TPOT corresponds to the Decode phase and is memory-bandwidth-bound.67% similarUnverifiedPrefix Cache optimization refers to the API server's ability to cache the KV computation results of an unchanged system prompt prefix across multi-turn conversations for reuse by subsequent requests, reducing redundant computation and lowering latency and token costs.66% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/898666API
curl https://kongchang.com/api/v1/knowledge/claims/898666MCP
get_claim(id=898666)