S5 0014+81: Zi-Code Research

Deep-dive into model training, evaluation methodologies, sandbox security, documentation generation, limitations, ethics, and economics for AI code-generation systems.

Overview

Document Purpose

Summarizes research on model performance and evaluation for AI code generation.

Value / Metric: Pass@k, accuracy

ML Research

AI Model Training

Large-scale models trained on open-source code; aims to generalize to complex coding tasks.

Tools: Transformers, tokenization | Metric: Loss, perplexity

Deep Learning

Evaluation Metrics

Measures correctness and reliability via unit tests and pass@k estimators.

Cost: Compute & benchmark time | Collab: QA teams

Benchmarks

Sandbox Environment

Secure containerized execution with runtime isolation, network policies, and firewalls.

Tools: Kubernetes, gVisor | Metric: Isolation score

Security

Code Generation

Auto-generates Python functions from docstrings; boosts developer efficiency.

Metric: Functional correctness | Effort: Developer testing hours

Dev Experience

Documentation Generation

Seq2seq methods create maintainable docstrings and developer docs.

Metric: Human qualitative score | Effort: Annotation time

Docs

Model Limitations

Challenges in long dependency chains and variable binding; requires diagnostics.

Metric: Failure rates | Effort: Debugging time

Risks

Ethical & Security Risks

Bias, misalignment, and insecure generation risks; needs audits and policy.

Metric: Incidents | Effort: Oversight hours

Governance

Economic Impact

Productivity and workforce impacts; consider adoption scenarios and upskilling.

Metric: Productivity | Effort: Survey & analysis

Economics

Timeline

Month 1
Dataset Curation & Baselines

Collect internal tasks and establish baseline metrics.

Month 2
Fine-tuning & Prompt Design

Run initial fine-tunes; iterate on prompt templates.

Month 3
Benchmarking & Regression Suite

Automate regression testing and reporting.

Month 4
Sandbox Hardening

Enforce network policies and isolation for evaluations.

Month 5
A/B Experiments & Analysis

Compare variants; analyze gains and failure modes.

Month 6
Stakeholder Report

Report pass@1 vs baseline and survey outcomes.

API Document

Focus Areas

Evaluation Simulations

Interactive visualization of Pass@k sensitivity to sample count and test flakiness (illustrative).

Pass@k HumanEval pytest
Month 1
Metrics & Baselines

Define targets; reproduce baseline pass@1/pass@10.

Month 2
Simulation Harness

Build notebook/CI harness for sampling sweeps and plots.

Month 3
Sampling Experiments

Grid search temperature, nucleus/top-k, n samples.

Month 4
Flakiness Controls

Stabilize test flakiness; add retries and seed controls.

Month 5
Dashboards

Publish regression dashboards and alerts.

Month 6
Report

Summarize sensitivity and recommended settings.

Month 7
Benchmark Expansion

Add tasks and domains to broaden coverage.

Month 8
Estimator Calibration

Validate pass@k estimators and confidence intervals.

Month 9
CI Gate Policies

Codify regression thresholds and release gates.

Month 10
Failure Mode Taxonomy

Tag common errors; route to fixes and prompts.

Month 11
Paper Draft

Write internal paper on experimental findings.

Month 12
Stakeholder Review

Review recommendations and finalize practices.

API Document

Sandbox Architecture

We evaluate code securely using containerized isolation. See Kubernetes docs and gVisor.

Kubernetes gVisor NetworkPolicy
Month 1
Threat Model

Bound trust; catalog sensitive resources.

Month 2
Cluster Hardening

Apply CIS controls; lock down container privileges.

Month 3
gVisor Runtime

Enable gVisor shim for untrusted workloads.

Month 4
Network Policies

Default-deny; curated egress and DNS allowlists.

Month 5
Seccomp Profiles

Attach least-privilege syscall profiles per toolchain.

Month 6
Observability

Centralize logs/metrics; enable workload forensics.

Month 7
Image Policy & SBOM

Enforce signed images; generate SBOMs and verify provenance.

Month 8
Secrets & KMS

Use sealed secrets; rotate credentials and restrict access.

Month 9
Storage Controls

Isolate PVCs; prefer read-only mounts; quarantine artifacts.

Month 10
API Gateway & AuthZ

Add authN/Z, rate limits, and schema validation for jobs.

Month 11
Forensics & Tracing

Syscall tracing, audit trails, and event correlation.

Month 12
Adversarial Testing

Red-team prompts and workloads; document residual risks.

Month 13
Cost & Performance

Right-size nodes; optimize cold starts and caching.

Month 14
Multi-tenancy

Namespaces, quotas, and node pools for risk tiers.

Month 15
Compliance Readiness

Map controls; prepare evidence and runbooks for audits.

Month 16
Final Rollout

Sign-off on posture; publish operations playbooks.

API Document

Documentation Generation

Automated docstrings and technical writing standards streamline maintainability.

Seq2Seq Style Guides ReadTheDocs
Month 1
Standards

Adopt style guide; define doc coverage SLOs.

Month 2
Templates

Author templates for modules, functions, tests.

Month 3
Model Integration

Wire generation into CI with human-in-the-loop review.

Month 4
Review Workflow

Annotate and approve generated docs in PRs.

Month 5
Lints & Checks

Add docstring linters and broken-link checks.

Month 6
Rollout

Expand coverage to priority repositories.

Month 7
Internationalization

Docstring localization and multi-lingual support.

Month 8
Coverage Expansion

Grow doc coverage to meet SLOs across services.

Month 9
Search & Indexing

Index docs; add semantic search and backlinks.

Month 10
Author Education

Workshops and quick-starts for contributors.

Month 11
Template Refinement

Iterate templates based on usage and feedback.

Month 12
SLA & Maintenance

Define ownership, review cadences, and KPIs.

API Document

Ethical & Security Considerations

Bias mitigation, secure coding, and review workflows minimize risk. See OWASP Top 10.

RLHF OWASP Policy
Month 1
Risk Taxonomy

Define classes of risk and mitigations.

Month 2
Data Filters

Specify filtering and redaction policies.

Month 3
RLHF & Reviews

Human preference signals and secure code review.

Month 4
Red-Teaming

Adversarial prompts; evaluate residual risks.

Month 5
Audit Trails

Immutable logs, approvals, and policy enforcement.

Month 6
Governance

Periodic reviews and sign-offs with stakeholders.

Month 7
IR Playbooks

Incident response procedures and escalation paths.

Month 8
External Audit

Schedule third-party reviews of controls and process.

Month 9
Policy Portal

Publish policy docs and training to a central hub.

Month 10
Continuous Monitoring

Alerting and KPIs for security and ethics metrics.

Month 11
Board Reviews

Regular governance board checkpoints and minutes.

Month 12
Public Summary

Publish a high-level, non-sensitive risk summary.

API Document

Economic Impact

We assess productivity impacts and workforce upskilling under various adoption scenarios.

Econometrics Surveys KPIs
Month 1
Baseline

Measure current productivity and costs.

Month 2
Survey Design

Design instruments to capture quality and time savings.

Month 3
Pilot Cohort

Run controlled pilot to estimate effect sizes.

Month 4
KPI Modeling

Model pass@1 uplift and throughput changes.

Month 5
Cost/Benefit

Compute ROI under adoption scenarios.

Month 6
Publish

Deliver summary and executive recommendations.

Month 7
Extended Cohort

Expand pilot to more teams to increase power.

Month 8
Scenario Modeling

Model adoption scenarios and timelines.

Month 9
Budget Planning

Translate uplift into budgetary projections.

Month 10
Vendor Comparison

Compare options and negotiate pricing/SLAs.

Month 11
Risk Sensitivity

Run sensitivity analyses on key assumptions.

Month 12
Executive Report

Present final economic model and recommendation.

API Document

Evaluation Simulations

Interactive visualization of Pass@k sensitivity to sample count and test flakiness (illustrative).

pass@k ≈ 0.65

Sandbox Architecture

We evaluate code securely using containerized isolation. See Kubernetes docs and gVisor.

Ingress Execution Sandbox (Kubernetes Namespace) Storage Client AuthN/Z & Rate Limits API Gateway Job Orchestrator Queue + Controller Sandbox Pod gVisor Runtime NetworkPolicy egress allowlist → proxy Sidecar Logger PVC Request path: Client → API Gateway → Orchestrator → Sandbox (gVisor) → PVC | Controls: AuthN/Z, Rate Limits, NetworkPolicy, Logging

Documentation Generation

Automated docstrings and technical writing standards streamline maintainability.

Source Code Docstring Generator seq2seq / LLM Linters style / links Human Review PR approvals Docs Site ReadTheDocs / SSG Code → Generator → Linters → Review → Published Docs

Ethical & Security Considerations

Bias mitigation, secure coding, and review workflows minimize risk. See OWASP Top 10.

Data Filters PII / Policy Secure Coding OWASP Top 10 Human Review 4-eyes principle Audit & Logging immutable trails Governance Board periodic reviews Controls: Filters → Secure Coding → Review → Audit | Oversight: Governance Board

Economic Impact

We assess productivity impacts and workforce upskilling under various adoption scenarios.

Baseline Metrics time, pass@k Pilot Cohort n teams Effect Sizing uplift ROI Model scenarios Dashboard KPIs & Forecasts Baseline → Pilot → Effect Size → ROI → Executive Dashboard