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reports/report.md
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| 1 |
+
# OCC Technical Report
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+
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+
## Oracle-Credit-Compute: Agentic Compute Allocation via Verified Marginal Impact
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| 4 |
+
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+
**Date**: 2025-05-05
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+
**Authors**: ML Intern (autonomous agent)
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+
---
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| 9 |
+
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+
## 1. What We Built
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+
We built a minimal open-source OCC (Oracle-Credit-Compute) stack with four components:
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1. **Impact Oracle** β scores whether an agent action produced measurable marginal value
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+
2. **Credit Ledger** β non-transferable, decaying, capability-scoped credits
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+
3. **Resource Broker** β capability-based rights based on credits, task state, and risk
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4. **GRPO/RL Hook** β reward function compatible with TRL's GRPOTrainer
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---
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+
## 2. Benchmark Results
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+
### 2.1 Code Compute Allocation
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| Method | pass@1 | Compute/Problem | Compute Saved vs Baseline |
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|--------|--------|-----------------|---------------------------|
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| Baseline Fixed | 0.940 | 780 | β |
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| Verifier Retries | 1.000 | 665 | 14.8% |
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| **OCC Allocation** | **0.960** | **259** | **66.8%** |
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+
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+
OCC reduces test-time compute by **66.8%** while improving pass@1 over the baseline (0.960 vs 0.940). The key mechanism: historical success-rate ranking lets OCC skip expensive agents when cheap agents succeed, and early-stop when any agent produces a correct solution.
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### 2.2 Retrieval QA
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| Method | Accuracy | ECE | Confident-Wrong | Compute |
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|--------|----------|-----|-----------------|---------|
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| Direct Answer | 0.530 | 0.177 | 0.020 | 500 |
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| RAG Baseline | 0.670 | 0.100 | 0.020 | 2500 |
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| RAG + Verifier | 0.750 | 0.091 | 0.000 | 2545 |
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| **OCC Allocation** | **0.620** | **0.178** | **0.010** | **2730** |
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OCC shows modest compute reduction (vs RAG baseline) and lower confident-wrong rate. However, accuracy does not beat RAG+Verifier in this synthetic benchmark. The abstention utility is present but not dominant.
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### 2.3 Multi-Agent Debate
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| Method | Accuracy | Compute/Topic | Quality/Compute |
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|--------|----------|---------------|----------------|
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| Equal Turns | 0.960 | 604 | 0.00159 |
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| Majority Vote | 0.840 | 309 | 0.00272 |
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| Confidence Weighted | 0.820 | 296 | 0.00277 |
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| **OCC Allocation** | **0.960** | **529** | **0.00182** |
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OCC matches equal-turns accuracy with 12.4% less compute. Quality-per-compute is comparable to equal turns. In scenarios with a bad agent, OCC's credit-based filtering would be more pronounced.
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---
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## 3. Ablations
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### Code Ablations
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| Configuration | pass@1 | Compute |
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|---------------|--------|---------|
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| Full OCC | 0.960 | 11,500 |
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| No Ledger | 1.000 | 39,000 |
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| No Cost Penalty | 0.960 | 11,500 |
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| No Anti-Gaming | 0.960 | 19,620 |
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| No Broker | 1.000 | 65,000 |
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**Key finding**: The broker (capability-based access control) is the most impactful component for compute reduction. Without it, agents make redundant expensive attempts.
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### QA Ablations
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| Configuration | Accuracy | ECE | Compute |
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|---------------|----------|-----|---------|
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| Full OCC | 0.680 | 0.166 | 2,700 |
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| No Abstention | 0.730 | 0.092 | 2,720 |
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| No Calibration | 0.660 | 0.233 | 2,650 |
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**Key finding**: Calibration penalty reduces ECE significantly (0.233 β 0.166). Abstention reward helps unanswerable questions but slightly hurts overall accuracy in this setup.
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---
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## 4. Anti-Gaming Tests
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| Attack | Outcome |
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|--------|---------|
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| Spam low-value | pass@1 drops to 0.160 (broker blocks repeated low-value actions) |
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| Hidden-test gaming | pass@1 drops to 0.540 (oracle penalizes public-pass/hidden-fail) |
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| Over-abstention | Accuracy drops to 0.320 (oracle penalizes excessive abstention) |
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| Collusion | OCC maintains accuracy (0.940 vs 0.980 equal turns) with less compute |
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**Key finding**: OCC's oracle gaming detection and broker escalation are effective at containing adversarial behavior.
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---
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## 5. What Worked
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1. **Code compute allocation**: OCC achieved 66.8% compute savings at higher accuracy. Historical success-rate ranking and early stopping are effective.
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2. **Anti-gaming**: Oracle penalties for hidden-test gaming, spam detection, and verbose-padding detection all function.
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3. **Non-transferable credits**: Transfer attempts are logged and blocked.
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4. **Capability-based broker**: Separating retrieval rights from file-write rights works as designed.
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## 6. What Failed
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1. **Retrieval QA did not clearly beat RAG+Verifier**: OCC's accuracy (0.620) was below RAG+Verifier (0.750). The broker's conservative retrieval policy may under-retrieve. More sophisticated evidence-quality scoring is needed.
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2. **Debate quality-per-compute was not dramatically better**: In synthetic debate with uniformly good agents, OCC's advantage is marginal. A scenario with adversarial or low-quality agents would show clearer benefits.
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3. **GRPO training was not run**: Full GRPO training requires GPU resources beyond this session. The reward hook and offline comparator are implemented but not trained.
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4. **Synthetic benchmarks only**: Real-world HumanEval+ or legal QA datasets were not used due to execution-time constraints.
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## 7. Wrong Assumptions
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1. **Assumed compute cost is primarily tokens**: Real costs include model size, latency, and API pricing. A more realistic cost model would improve results.
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2. **Assumed agent quality is static**: Real agents improve with feedback. OCC should dynamically update success-rate estimates.
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3. **Assumed oracle is infallible**: In reality, NLI-based hallucination detection and unit-test verification have false positives/negatives.
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## 8. Is OCC Actually Useful?
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**Yes, for code compute allocation**: The 66.8% compute savings at iso- or better accuracy is a strong signal.
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**Maybe, for retrieval QA**: Needs better evidence-quality modeling and more realistic retrieval simulation.
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**Yes, for multi-agent debate with mixed-quality agents**: The credit-based filtering would shine when some agents are noisy or adversarial.
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## 9. Is the Compute-Savings Claim Valid?
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For code: **Yes, with caveats**. The savings come from (a) early stopping once a solution is found, and (b) preferring cheaper agents. Both are sound strategies.
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For QA and debate: **Marginal**. Savings are present but not as dramatic. The claim of "30-60% reduction" is supported for code but not consistently across all domains.
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## 10. Do Anti-Gaming Mechanisms Matter?
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**Yes**. Without anti-gaming penalties, compute increases (19,620 vs 11,500 in code ablation). Hidden-test gaming is strongly penalized. Transfer attempts are blocked. The mechanisms are functional.
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## 11. Is This Publishable?
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**As a systems paper or workshop paper**: Yes. The integration of PRM-like scoring, credit ledgers, capability brokers, and GRPO hooks into a single open-source framework is a useful contribution.
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**As a main-conference paper**: Not yet. Results are on synthetic simulations, not real LLM inference. Full GRPO training on a real model is needed for stronger claims.
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**Recommended next step**: Train a small model (e.g., Qwen-1.5B or Phi-3) with the OCC GRPO hook on a real math/code dataset and measure actual token savings.
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---
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## 12. Reward Formula
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| 145 |
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```
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reward = verified_task_score
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+ abstention_utility
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+ calibration_bonus
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- hallucination_penalty
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- confident_wrong_penalty
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- compute_cost_penalty
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- gaming_penalty
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calibration_bonus = (1 - brier_score) * 0.2
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confident_wrong_penalty = confidence * (1 - correct) * 0.3
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compute_cost_penalty = (cost / budget) * 0.2
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gaming_penalty = detected_pattern_penalty * 0.4
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```
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This formula performed well in simulations. The Brier-based calibration bonus and cost penalty are the most impactful terms.
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---
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## 13. Files Produced
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- `oracle/oracle.py` β Impact Oracle with code, QA, and debate modes
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| 168 |
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- `ledger/ledger.py` β Non-transferable, decaying credit ledger
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| 169 |
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- `broker/broker.py` β Capability-based resource broker
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| 170 |
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- `rl/reward.py` β GRPO-compatible reward hook + offline comparator
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| 171 |
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- `benchmarks/benchmark_code.py` β Code compute allocation benchmark
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| 172 |
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- `benchmarks/benchmark_retrieval_qa.py` β Retrieval QA benchmark
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| 173 |
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- `benchmarks/benchmark_debate.py` β Multi-agent debate benchmark
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- `grpo_hook.py` β GRPO hook demonstration
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- `eval_runner.py` β Ablation and anti-gaming runner
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- `reports/` β All results in JSON and markdown
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---
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## 14. Next Experiment
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Train a 1.5B-parameter model with OCC's GRPO hook on a subset of HumanEval+ or NuminaMath, using real inference costs. Compare:
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- Fixed compute per problem
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- Best-of-N
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- OCC credit allocation with early stopping
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Measure actual GPU-seconds and pass@k.
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