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[Dream Cycle 2026-06-25] performance: stateful KV-cache + execution graph scheduler (ADR-168)#2463

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[Dream Cycle 2026-06-25] performance: stateful KV-cache + execution graph scheduler (ADR-168)#2463
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@ruvnet ruvnet commented Jun 25, 2026

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Tonight's Rotation

Field Value
DEEP performance
SCAN security, hive-mind
Bonus vertical-applications (day%25==0)
Issue #2462
ADR ADR-168
Session commit 79b8634bd1375de4afd60e5f40067b41febc1beb

What This PR Contains

  • v3/docs/adr/ADR-168-dream-cycle-performance-stateful-execution-loop.md — Proposed ADR for three-layer performance optimization
  • v3/docs/adr/README.md — ADR-168 row added
  • docs/dream-cycle/dream-cycle-2026-06-25-performance.md — Nightly research gist (witness-stamped; gist API unavailable, stored in branch)

Research Summary

Five Grade A 2026 arXiv papers converge on three mechanisms delivering 2–4× gains without model changes:

Mechanism Paper Gain
Prefix-stable KV-cache arXiv:2605.26289 (Stateful Inference) 4.2× speedup, 35-turn workflow
Agent Execution Graph scheduling arXiv:2605.00528 (SAGA) 1.64× task completion vs vLLM
Response-level speculative routing arXiv:2606.22840 (RLM-Cascade) 45.8% API cost reduction

No competitor (LangGraph 1.2.6, AutoGen 0.7.5, CrewAI 1.14.7, OpenAI Agents SDK) has shipped any of the three.

ADR Link

ADR-168: Stateful Execution Loop with KV-Cache Discipline and Agent Execution Graphs — Status: Proposed

Gist / Witness

Gist saved to docs/dream-cycle/dream-cycle-2026-06-25-performance.md (token lacks gist scope).

Witness stamp: 97c130d6acc9a2b686d0dacb962e55597561d90025037524564407206024ae88
Verify: sha256sum docs/dream-cycle/dream-cycle-2026-06-25-performance.md → concat with session commit → sha256sum → must equal witness.


⚠️ Merge Policy — Leave for Human Review

Do not self-merge. This is a nightly research draft. A human reviewer should:

  1. Validate the Grade A paper claims (arXiv IDs are provided for direct lookup)
  2. Decide whether to promote ADR-168 from Proposed → Accepted
  3. Prioritize implementation order (Layer 1 is lowest effort, highest ROI)

needs-merge ACTIVE: 31 nights of open dream-cycle PRs. Consider reviewing and merging ADR backlog before accumulation makes each review harder.


🤖 Generated by Ruflo Dream Cycle agent — nightly research session 2026-06-25


Generated by Claude Code

…ution graph scheduler

5 Grade A arXiv papers (Jun 2026) prove 1.6–4.2× latency gains via:
- Prefix-stable prompt discipline enabling provider KV-cache reuse (arXiv:2605.26289)
- Agent Execution Graph topological scheduling (arXiv:2605.00528, SAGA)
- Response-level speculative routing for 45.8% API cost reduction (arXiv:2606.22840)

Adds ADR-168 (Proposed). No competitor has shipped any of the three mechanisms.

Co-Authored-By: RuFlo <ruv@ruv.net>
Claude-Session: https://claude.ai/code/session_01SveER453jh6F7fXQ1cnFKD
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2 participants