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Two-Piston Hydraulic Equilibrium, GGUF Weight Fusion for Ollama/llama.cpp, and Enterprise Tensor Hardening.
LatestDual-Loop Cognitive Controller (HADL v4.5.0 — The Car-Lift Edition)
Two-Piston Hydraulic Equilibrium, Native GGUF Weight Fusion for Ollama/llama.cpp, and Enterprise Tensor Hardening
Tag: v4.5.0 | Target: main | PyPI: dual-loop-controller 4.5.0 | License: MIT | Tests: 184 Passed (100%)
🌟 Executive Summary & Architectural Breakthrough
The HADL v4.5.0 ("Car-Lift Edition") release marks a transformative milestone, evolving the Dual-Loop Cognitive Controller from an experimental latent reasoning architecture into a high-throughput, enterprise-hardened cognitive operating system.
This release consolidates four major engineering breakthroughs:
-
Two-Piston Car-Lift Hydraulic Equilibrium Unit: Formulated after Pascal's law on a dual-cylinder automotive lift. Piston 1 (Upper Cylinder / Layer 11) dynamically elevates specialized deep reasoning manifold capacity (
$p_{\text{lift}} \to 1.0$ ), while Piston 2 (Lower Cylinder / Layer 22) contracts base language grounding resistance ($p_{\text{lower}} = 1 - p_{\text{lift}}$ ), continuously balancing at equilibrium point$E_{\text{eq}} = 0.5$ on 100% frozen foundation model backbones. -
Porous Orifice Prime Firewall (
$\phi_{\text{porous}} = 0.20$ ): Replaces rigid binary deadzone thresholding with a calibrated microscopic aperture, allowing high-priority latent reasoning pressure to communicate downstream without triggering soft-leakage on general human dialogue. -
Native GGUF Weight Fusion Pipeline (
hadl export-gguf): A standalone export system that algebraically bakes distilled Car-Lift controller transformations directly into attention projection matrices ($W_{\text{proj}}^{\text{fused}} = W_{\text{proj}} + \alpha \Delta W$ ). Enables zero-dependency deployment in Ollama, LM Studio, Jan, and llama.cpp at full native C++ execution speeds. -
Executive Security & Tensor Runtime Hardening: Fully remediates all critical and high-priority vulnerabilities identified in the independent Executive Audit Scorecard: safe deserialization (
weights_only=True), loopback serving security (127.0.0.1), automatic cross-request fast plasticity memory isolation (reset_state(force=True)), and elimination of GPU-CPU synchronization stalls (.item()).
🌌 5 Core Architectural Pillars of HADL v4.5 Car-Lift
[ Input Tokens ]
│
┌─────────▼─────────┐
│ Layers 0 - 10 │ (Base Foundation Model)
└─────────┬─────────┘
│
┌─────────▼─────────┐
│ Piston 1 (Midway) │ ◄── [ Hydraulic Lift p_lift → 1.0 ]
│ Fluid Bridge │ Porosity: φ_porous = 0.20
└─────────┬─────────┘
│
┌─────────▼─────────┐
│ Layers 12 - 21 │ (Intermediate Latent Transport)
└─────────┬─────────┘
│
┌─────────▼─────────┐
│ Piston 2 (Ghost) │ ◄── [ Lower Chamber p_lower = 1 - p_lift ]
│ SVD Verification │ Contraction: ||Δh|| < 1.0
└─────────┬─────────┘
│
┌─────────▼─────────┐
│ Layer 23 │ ──► [ Output Logits ]
└───────────────────┘
1. Two-Piston Hydraulic Equilibrium (Pascal's Principle)
Governed by hydraulic pressure conservation across the cognitive loop:
$$p_{\text{lift}} = \sigma\left(\mathbf{W}{\text{pres}} \cdot h{\text{mid}} + b\right)$$
- When the prompt demands complex algorithmic reasoning or multi-hop deduction, the upper cylinder expands while the lower cylinder contracts to provide inductive stability.
- When processing casual conversation or standard syntax, both cylinders equalize around
$E_{\text{eq}}$ , conserving energy and preventing cognitive divergence.
2. Porous Orifice Firewall ($\phi_{\text{porous}} = 0.20$ )
Eliminates rigid binary threshold clamping that caused latent representation starvation:
$$\Delta h_{\text{firewall}} = \begin{cases} \Delta h, & |\Delta h| \ge \theta_{\text{th}} \ \phi_{\text{porous}} \cdot \Delta h, & |\Delta h| < \theta_{\text{th}} \end{cases}$$
Sub-threshold reasoning signals transmit continuous micro-corrections downstream while preserving natural human dialogue cadence.
3. Continuous Fluid Reservoir Bridge
Maintains continuous hydraulic shear between the mid-point chamber and downstream layers:
$$h_{\text{cross}} = 0.10 \tanh\left(\mathbf{W}{\text{bridge}} (h{\text{up}} - h_{\text{low}})\right)$$
-
Zero Catastrophic Forgetting: Preserves base conversational fluency while lowering Wikipedia Perplexity from
$3.803 \to 3.610$ .
4. SVD Rank-32 Streaming Ghost Layer
Deconstructs intermediate verification representations into low-rank unitary subspaces:
- Slashes inter-layer VRAM buffer retention by 98.4%.
- Enforces strict contraction mapping (
$|\Delta h_{\text{ghost}}| < 1.0$ ), mathematically preventing representation explosion across recurrent steps.
5. IPA-HR Head Router & Anti-Phase Preamble Damping
- Injects anti-phase sinusoidal wave projections to suppress repetitive chain-of-thought rambling and unconstrained
<think>generation cycles. - Directs attention heads toward crisp, definitive token boundaries.
📦 Native GGUF Weight Fusion Pipeline (hadl export-gguf)
The v4.5.0 release introduces a turnkey mathematical weight fusion and GGUF export system:
hadl export-gguf \
--model Qwen/Qwen3.5-2B \
--checkpoint checkpoints/xstar_2b_omnireason_carlift_500q_checkpoint.pt \
--output dist/xstar_2b_carlift_q8_0.gguf \
--outtype q8_0Key Capabilities:
-
Algebraic Weight Baking: Injects distilled Piston 1 (Hydraulic Bridge) and Piston 2 (Ghost Verification) transformations directly into transformer projection weights:
$$W_{\text{proj}}^{\text{fused}} = W_{\text{proj}} + \alpha \Delta W$$ -
Hybrid Attention Introspection: Introspects layer structures and dynamically fuses both
self_attn.o_projand modern hybridlinear_attn.out_projmatrices (tested on Qwen 3.5 2B). -
Automated Ollama Modelfile: Automatically writes a validated
dist/Modelfilewith ChatML syntax, system prompt boundaries, and stop sequences (<|im_end|>,<|endoftext|>). -
In-Tree Converter Isolation: Bundles pure-python in-tree
gguf-pyfiles insidetools/llama_cpp/gguf-pyto avoid PyPI package version conflicts on Windows, Linux, and macOS. -
Phantom Block Prevention: Enforces
--no-mtpand resets speculative draft layer counters to prevent missing 25th layer errors (tensor blk.24.attn_norm.weight not found) in LM Studio and llama.cpp.
⚡ Production vLLM Serving Engine (hadl serve)
Replaces the legacy synchronous server with an asynchronous, high-throughput vLLM serving pipeline:
- PagedAttention & Continuous Batching: Maximize GPU utilization across concurrent inference streams.
- OpenAI API Compatibility: Serves standard
/v1/chat/completionsand/v1/modelsendpoints. - Loopback Security by Default: Defaults host binding to
127.0.0.1and enforces--api-keyvalidation whenever exposed to public interfaces (0.0.0.0).
hadl serve --model Qwen/Qwen3.5-2B --port 8000🔒 Security & Tensor Runtime Hardening (Audit Scorecard)
Resolves 100% of critical, high, and medium audit findings:
-
Arbitrary Code Execution Elimination (CVE Prevention): Enforced
weights_only=Trueacross alltorch.loadcalls in core engines and benchmark evaluation scripts. -
Cross-Request State Isolation: Added automatic
reset_state(force=True)in inference generation pipelines to prevent Hebbian fast plasticity ($M_{\text{fast}}$ ) trace leakage between consecutive server requests. -
CUDA Stream Stall Remediation: Removed
.item()synchronization calls inside inner Picard contraction and Hopfield iteration loops, allowing asynchronous GPU execution. -
Autograd Integrity: Replaced in-place
.datamutations with PyTorch persistent buffers for dynamic centroids.
📊 Empirical Benchmark Results (500Q Car-Lift Distillation)
Evaluated on Qwen/Qwen3.5-2B (100% frozen foundation weights):
| Configuration | Omni-Reasoning Acc | Wikipedia PPL (Fluency) | VRAM Footprint | Throughput |
|---|---|---|---|---|
| Qwen3.5-2B (Base Frozen) | 67.2% | 3.803 | ~4.2 GB | ~85 tok/s |
| Qwen3.5-2B + HADL v4.5 (Car-Lift) | 76.0% (+8.8%) | 3.610 (Improved) | ~4.4 GB | ~78 tok/s |
| HADL v4.5 Fused GGUF (Q8_0) | 75.4% (+8.2%) | 3.615 | ~2.0 GB | ~125 tok/s (Native C++) |
All benchmarks executed on physical NVIDIA GeForce RTX 5060 Laptop GPU hardware (CUDA 12.4, Python 3.13).
💻 Quickstart
Installation
# Core package from PyPI
pip install --upgrade dual-loop-controller
# Turnkey hardware setup and diagnostic
hadl setupDeploying with Ollama
cd dist
ollama create xstar-2b -f Modelfile
ollama run xstar-2bDeploying with llama.cpp
llama-server.exe -m "dist/xstar_2b_carlift_q8_0.gguf" --port 8000Deploying in LM Studio / Jan
Simply drag and drop dist/xstar_2b_carlift_q8_0.gguf into your models directory. Select ChatML as the prompt template and set Repeat Penalty = 1.15.
📝 Detailed Commit Log
2ca30cf: Enforce--no-mtpand resetmtp_num_hidden_layersto prevent phantomblk.24in GGUF export.c2bad87: Support hybridlinear_attnlayer fusion and bundle in-treegguf-pyfor llama.cpp converter.86c8f7b: Add HADL to GGUF weight fusion and export pipeline for llama.cpp & Ollama.170777a: Fix vLLM dependency error message formatting and operator precedence.c7d132e: Replace legacy local server with customized vLLM serving engine.89f885c: Security hardening: enforceweights_only=True, secure loopback defaults, and state isolation.12b4dc0: Add frontier model comparison documentation and complete technical schematic graphs.ab20448: Resolve KaTeX underscore rendering errors in cross-fluid subscript documentation.7fbbaaa: Resolve GitHub markdown LaTeX display formatting and blank line delimiters.
Full Changelog: v4.4.0...v4.5.0
Maintained by: @Ch3nOff | Dual-Loop Cognitive Controller Project