GitHub - PJHkorea/Forward_Only_Autograd_Free_PINN: Pure Forward-Only Autograd-Free PINN engine driving single-clock FMA weight alignment under FNG V3. Precision-engineered as the core mathematical physics backbone to rectify high-order moment skewness inside distributed LLM attention rails.

34 min read Original article โ†—

Why must Large Language Models continuously stack structural memory graphs inside activation caches? Why can we not architect a deep learning paradigm that mirrors biological survivalโ€”one that fluidly streams input perturbations forward while autonomously driving toward internal homeostatic equilibrium? This repository presents an alternative architectural blueprint for a High-Order Moment, Autograd-free deep learning system.


๐Ÿ›๏ธ Vertically Integrated Hardware-Neural Co-Design Infrastructure Cross-Reference

This repository constitutes a sovereign tier within a vertically integrated, hardware-neural co-design infrastructure specifically engineered to accelerate distributed inference and serving workloads for enterprise Large Language Models (LLMs). The three core technological repositories are precision-interlocked at the hardware boundary; please cross-reference them below to review the full technical specification:

  • [Fluidic_Network_Grid (FNG) V3]: An accelerator-native, communication-level control plane that algebraically bypasses global NCCL All-Reduce retransmission barriers and purges volatile time jitter up to an 8-decimal sub-nanosecond precision under catastrophic wireless channel noise and harsh packet loss constraints.
  • [Forward_Only_Autograd_Free_PINN]: A low-level mathematical physics compute engine that coordinates branchless central finite difference deviations via warp-level register shuffles, executing a 1-cycle FMA algebraic weight self-alignment and deterministic high-order moment skewness ($m_3/m_2$) macro reduction without iterative backpropagation.
  • [Continuous_Wave_Field_LLM_Brain v5.0]: A high-speed framework interlock guide-layer that orchestrates 0ns zero-copy data exchange between PyTorch sovereign weight buffers and the JAX/XLA compiler engine via the DLPack unified memory protocol, streaming high-fidelity, skewness-free input manifolds straight into downstream Llama attention blocks.

๐Ÿ”— Architectural Interlock & Hardware-Software Attention Co-Design

This repository submits a minimalist, vertically-integrated implementation systematically engineered to bypass backpropagation tracking chains and eliminate communication stalls. By establishing a rigid 32-byte memory alignment boundary and an autograd-insulated 6-channel state framework directly linked to Fluidic_Network_Grid (FNG) V3, this architecture minimizes intermediate runtime tracking to a static $O(1)$ footprint matching pure inference specifications. Weights are guided toward homeostatic equilibrium through cross-axis curl inversions over pre-rectified Key/Value streams, mapping natively into register-level single-clock FMA hardware execution pipelines.


Forward-Only Autograd-Free PINN: Minimizing Structural Computation Graph Overheads inside Llama Attention Rails

Modern deep learning architectures often face $O(N^2)$ operational graph accumulation driven by backpropagation, which leads to catastrophic VRAM consumption and numerical vulnerability (NaN/INF) when encountering discontinuous data ingress or severe wireless channel drops.

Inspired by the structural constraints of high-performance fluid-mesh systems and optimized for LLM Context Parallelism, this project explores an alternative mathematical-physics-driven neural layer. It utilizes high-order moment skewness-rectified finite difference deviations to completely bypass macro-level global matrix multiplications, backpropagation chains, and NCCL retransmission barrier blocks.


๐Ÿ’ก Alternative Paradigms & Core Mechanisms

  • Static memory via autograd insulation: Isolates the data ingress boundary via jax.lax.stop_gradient to completely flatten tracer graph accumulation, establishing a rigid static $O(1)$ VRAM allocation profile that mirrors pure inference specifications and eliminates intermediate activation cache overhead.
  • Algebraic self-alignment via fluidic high-order moment correction: Evaluates fluidic vorticity geometric formulations over 3rd-order moment skewness-rectified Key/Value delta streams dispatched directly from Fluidic_Network_Grid (FNG) V3, examining forward-only, deterministic weight-tensor adjustments governed by local 1D spatial deviations ($\Delta_{\text{rectified}}$) without iterative loss minimization or backpropagation chains.
  • Hardware-aligned mathematical restructuring: Restructures the parameter update pipeline into a single-clock $(\mathbf{W} \times \gamma) + (\alpha \times \Delta)$ topology inside accelerator ALU registers (where $\gamma = 1 - \sigma$ is the fixed decay factor, and $\sigma = 0.00003125$). This serves as a physical viscosity brake while facilitating pipeline-aligned Fused Multiply-Add (FMA) machine code primitives via Special Function Unit (SFU) reciprocal mapping.

Through these combined constraints, this implementation demonstrates an approximate 1/1000 reduction in memory overhead compared to traditional backpropagation networks, presenting a functional evaluation path for high-resolution PINN attention co-design topologies within resource-constrained edge environments.


1. Bare-Metal CUDA Kernel (Spatial Gradient Extraction Layer)

  • Branchless spatial finite difference via warp shuffles (Warp-Shed Topology)
    • Intra-warp register communication: Utilizes register-level shuffle intrinsics (__shfl_up_sync, __shfl_down_sync) across active execution tracks (Lane 1โ€“30) to completely eliminate redundant global memory probes during 3rd-order moment skewness-rectified KV delta stream scans.
    • Boundary latency mitigation: Maps fringe threads (Lane 0, 31) to inherit halo-padding data from on-chip shared memory (__shared__) arrays to manage VRAM re-load latency and preserve strict Neumann clamping boundary conditions.
  • Warp divergence mitigation via shared memory masking (Garbage Index Masking)
    • Isolated drop-zone integration: Allocates a static garbage attractor slot (GARBAGE_IDX) at the terminal boundary of the shared scratchpad layout to decouple edge-condition branch divergence at the silicon hardware level.
    • Concurrent blind store execution: Dispatches unconditional hardware store commands across all 256 parallel threads simultaneously, letting out-of-bound payloads safely bleed into the garbage zone while utilizing hardware MUX selectors (pinn_branchless_select_f32) driven by PTX selp.f32 instructions for true 0ns instruction flattening.
  • Division-free throughput and branchless anomaly firewalls
    • Constant memory lookup table: Embeds a 64-element reciprocal lookup table (RECIPROCAL_CELL_LUT) inside constant memory boundaries to convert heavy floating-point division pipelines into single-clock multiplication steps matching the 1024 grid-resolution scale.
    • Low-level anomaly filtering: Employs combinational-logic detection intrinsics (pinn_check_hardware_anomaly) utilizing logical OR (|) bitwise validation to instantly capture NaN/INF artifacts or out-of-bound spikes, executing immediate register-level flushes straight back to the clean baseline 0.0f (CLEAN_BASELINE_VAL) logical False rail without generating a single conditional JMP instruction.

1.5. C++ Interlock Bridge (Zero-Copy VRAM Tunneling Layer)

  • Physical address-line zero-copy transport pipeline (Zero-Copy Forwarding)
    • PCIe contention mitigation: Employs pybind11 and the __cuda_array_interface__ v3 specification to establish a direct physical pointer path, entirely eliminating host-device (H2D/D2H) buffer replication loops and PCIe bus bandwidth bottlenecks.
    • Instruction cache path isolation: Integrates C++20 [[unlikely]] attribute gates along the data ingress track, guiding exceptional fault-handling assembly out of the instruction cache's hot path to ensure 0ns nominal execution and manage CPU pipeline stalls.
  • 6-channel independent SoA offset decomposition (Strides = 32 Channel Freezing)
    • Structural layout stability: Maps the physical layer into 6 independent channel views at the bare-metal byte offset level to guard against unexpected layout modifications (Transpose/Re-stride) or runtime slicing overheads inside JAX/XLA.
    • Memory bus stride tracking: Extracts single-precision floating-point and unsigned integer byte offsets directly from the physical base address lineโ€”ptr_w (+0) through ptr_coord (+20)โ€”locking the stride vector to exactly sizeof(PinnCell32) = 32 bytes. This allows the memory subsystem to effectively track pre-rectified Key/Value cache delta streams while skipping residual 8-byte cache padding fields to bypass bank stalls.
  • Python garbage collector asynchronous insulation (Empty Deleter Lifecycle Fence)
    • Runtime jitter mitigation: Delegates hardware asset lifecycle management to the low-level memory registry layer via a custom py::capsule lifetime fence anchored under the "FNG_V3_Pre_Rectified_KV_Bus" token equipped with an empty lambda deleter, completely isolating hardware register tracks from asynchronous Python Garbage Collector (GC) interruptions.
  • Compile-time static layout verification (Compile-Time Sanity Firewall)
    • Pre-emptive layout validation: Deploys C++20 static_assert directives at the compiler stage to verify that structural footprints hit exactly 32 bytes and anchor on 32-byte physical alignments, checking physical layout properties and preventing byte-packing drift prior to JAX in-place operations.

2. Autograd-Insulated JAX Core (Algebraic Topological Self-Alignment Layer)

  • Cleaving backpropagation paths via autograd insulation
    • Immediate tracer interception: Deploys lax.stop_gradient insulation barriers immediately upon data entry into the JAX processing scope, completely freezing tensor-graph tracing behaviors that would otherwise accumulate activation cache allocations.
    • Bitwise cleansing gate: Integrates the low-level numerical MUX firewall enforce_algebraic_safety_gate to perform 0ns atomic flushes of volatile fault bits, NaN artifacts, or overflow spikes exceeding $1.0 \times 10^6$ (GLOBAL_THRESHOLD) directly into clean logical False rails (CLEAN_BASELINE_VAL = 0.0f), synchronized with the FNG V3 digital stream precision.
    • AOT compiler cache warm-up: Utilizes static pre-warmup tracks (trigger_system_warmup) powered by 0MB abstract tracer profiles (ShapeDtypeStruct) to pre-emptively lower and lock the execution graph into accelerator caches, permanently eradicating runtime JIT compilation latency jitter at the system boot boundary.
    • Complexity stabilization: Restructures overall computational memory complexity from a resolution-dependent quadratic $O(N^2)$ scale down to a strict static $O(1)$ footprint, ensuring distributed memory profiles match pure inference specifications to reduce framework overhead.
  • Physics-driven algebraic residual cancellation (Cross-Axis Curl Inversion)
    • Vorticity cross-vectorization: Evaluates fluidic vorticity geometric formulations to cross-vectorize inverted vertical displacement strands into horizontal weight-rectification vectors (curl_inverted_u, curl_inverted_v) over FNG V3 pre-rectified Key/Value streams, driving forward-only deterministic algebraic synthesis without iterative backpropagation loops or gradient-descent convergence paths.
  • Refactoring mathematical layouts for pipeline-aligned FMA acceleration
    • Numerical stabilization brake: Implements a fluidic viscosity brake governed by a micro-dissipation coefficient ($\sigma = 0.00003125$) to actively damp parameter updates and permanently suppress floating-point divergence within the autograd-free context.
    • Fused arithmetic compilation: Arranges update equations into a unified $(\mathbf{W} \times \gamma) + (\alpha \times \Delta)$ pipeline topology (where $\gamma$ is the DECAY_FACTOR, $\alpha$ is the learning_rate, and $\Delta$ represents the curl-inversion segments) to force the generation of single-clock hardware FMA (Fused Multiply-Add) primitive machine codes, bypassing division stalls via Special Function Unit (SFU) reciprocal mapping (jax.lax.reciprocal).
  • Buffer recycling via in-place VRAM overwriting
    • Sovereign buffer alignment: Employs static buffer allocation locking inside the macro fused integration kernel (_fused_xla_update_step) via the @functools.partial(jax.jit, donate_argnums=(0,)) directive to align distributed token rails.
    • In-place memory reuse: Targets the absolute reduction of transient VRAM allocation overhead, allowing updated parameters to directly overwrite historical data onto the underlying param_w sovereign attention memory footprint with zero memory copy bubble.

3. Asynchronous Infrastructure Governance (Distributed Node Governance Tower)

  • Passive event-driven tracking with strict zero nominal overhead
    • Polling overhead reduction: Avoids resource-intensive active polling loops during runtime, instead utilizing an asynchronous event handler configured to engage exclusively upon capturing real-time hardware interrupt flags.
    • Nominal data-path insulation: Routes healthy telemetry operations through a primitive hardware_marker_signal == 0.0 early-exit path during normal physical homeostasis states, maintaining a strict zero-compute overhead profile to isolate the active streaming data path from framework-induced latency jitter.
  • Atomic context shielding against multi-node interrupt bursts (Async Mutex Synchronization)
    • Fault-burst modeling: Establishes a fail-safe posture designed to manage multi-node cascade anomalies where numerical variations or catastrophic physical breakdown tokens (-99.0f) burst concurrently from distributed grid shards.
    • Race condition management: Deploys an explicit asyncio.Lock primitive (infrastructure_atomic_lock) across the 2D topology map registry (hardware_health_registry) to arbitrate emergency allocation requests and completely obliterate memory race conditions among concurrent failure nodes.
  • Virtual address-line routing redirection and live hardware hot-plugging
    • Standby isolation: Configures an isolated emergency backup node pool (default cold_standby_pool_size = 5) where physical host accelerator rails are kept unpowered while pre-locking their raw memory address topologies.
    • Dynamic pointer offset hot-swapping: Executes an immediate pointer offset substitution inside the Python runtime environment upon capturing a corruption interrupt, updating the re-routing matrix (active_hardware_backup_routes) to bypass failed channels without allocating new physical memory buffers or causing execution stalls.
    • Symmetric telemetry backhaul: Ingests nominal feedback keys (1.0 SYSTEM_RECOVERY_KEY) the exact moment the underlying neural core achieves algebraic homeostatic alignment, routing attention recovery status across the 6 independent SoA channels (param_w through coordinate_id) straight back to the Layer 3 HMI monitor console for full-stack synchronization.

[OUTPUT / HOMEOSTASIS] โž” Autograd-Free Real-Time State Topological Alignment & Physical Homeostasis Completion inside Llama Attention Rails

graph TD
    %% ๊ฐ€์‹œ์„ฑ ๊ทน๋Œ€ํ™”๋ฅผ ์œ„ํ•œ ๋‹คํฌ/๋ผ์ดํŠธ ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์Šคํƒ€์ผ ์ •์˜
    classDef inputStyle fill:#1a1a1a,stroke:#00e5ff,stroke-width:2px,color:#fff;
    classDef layerStyle fill:#2d3748,stroke:#4a5568,stroke-width:1px,color:#fff;
    classDef controlStyle fill:#2d1a2c,stroke:#684a65,stroke-width:1px,color:#fff;
    classDef outputStyle fill:#1c4ed8,stroke:#3b82f6,stroke-width:2px,color:#fff;

    %% ๋…ธ๋“œ ์ •์˜ (FNG V3 & Llama Attention Co-Design ๋™๊ธฐํ™” ์ „์‚ฌ)
    INPUT["๐Ÿ“ฅ INPUT STREAM<br/><b>[FNG V3 3rd-Order Skewness-Rectified Pre-Fused Input]</b>"]:::inputStyle

    subgraph L1 ["1. Bare-Metal CUDA Kernel (Spatial Gradient Extraction)"]
        L1_Core["Spatial Gradient Extraction Layer Core"]
        L1_1["Warp Shuffle Intrinsics & Shared Memory Padding<br/>โ€ข Eliminates Redundant Global VRAM Probes<br/>โ€ข Maps Neumann Clamping Boundary Conditions"]
        L1_2["Constant Memory Reciprocal Lookup Table<br/>โ€ข RECIPROCAL_CELL_LUT Fixed 1024-Grid Scale Factor<br/>โ€ข Crushes Heavy Floating-Point Division Pipelines"]
        L1_3["Garbage Index Masking & pinn_branchless_select_f32<br/>โ€ข 0ns Instruction Flattening via PTX selp.f32<br/>โ€ข pinn_check_hardware_anomaly Combinational Bitwise Guard"]
    end
    style L1 fill:#1a202c,stroke:#4a5568,color:#fff

    subgraph L15 ["1.5 C++ Interlock Bridge (Zero-Copy VRAM Tunneling)"]
        L15_Core["Zero-Copy VRAM Tunneling Layer Core"]
        L15_1["pybind11 & __cuda_array_interface__ v3<br/>โ€ข Direct Physical Pointer Path (0ns Transfer Overhead)<br/>โ€ข Eradicates Host-Device (H2D/D2H) Replication Loops"]
        L15_2["6-Channel SoA Byte Offset Decomposition<br/>โ€ข ptr_w (+0) through ptr_coord (+20)<br/>โ€ข sizeof(PinnCell32)=32 & strides=32 Layout Freeze"]
        L15_3["Empty Deleter Lifecycle Fence<br/>โ€ข anchored under 'FNG_V3_Pre_Rectified_KV_Bus' Token<br/>โ€ข C++20 static_assert & [[unlikely]] I-Cache Path Isolation"]
    end
    style L15 fill:#1a202c,stroke:#4a5568,color:#fff

    subgraph L2 ["2. Autograd-Insulated JAX Core (Algebraic Self-Alignment Engine)"]
        L2_Core["Algebraic Topological Self-Alignment Layer Core"]
        L2_1["lax.stop_gradient Ingress Isolation & trigger_system_warmup<br/>โ€ข enforce_algebraic_safety_gate 0ns Logical False Flush<br/>โ€ข 0MB Virtual ShapeDtypeStruct JIT Warm-up"]
        L2_2["Cross-Axis Curl Inversion curl_inverted_u/v over FNG V3 Streams<br/>โ€ข Deterministic Weight-Tensor Adjustments via Fluid Vorticity<br/>โ€ข SIGMA_DISSIPATION Homeostasis Divergence Control"]
        L2_3["Arithmetic Layout Refactoring for Hardware FMA Unit<br/>โ€ข Unified (W * ฮณ) + (ฮฑ * ฮ”) Pipeline Topology<br/>โ€ข DECAY_FACTOR Fused Multiply-Add Integration"]
        L2_4["@functools.partial & jax.jit donate_argnums=0 Buffer Alignment<br/>โ€ข param_w Sovereign Attention Address In-place Overwrite<br/>โ€ข Computational Memory Complexity Frozen to Static O(1)"]
    end
    style L2 fill:#1a202c,stroke:#4a5568,color:#fff

    subgraph L3 ["3. Asynchronous Infrastructure Governance (Distributed Governance Tower)"]
        L3_Core["Distributed Node Governance Tower<br/>โ€ข Passive Event-Driven Tracking (0% Nominal Compute Cost)<br/>โ€ข Nominal hardware_marker_signal == 0.0 Data-Path Insulation"]
        L3_1["Fault Telemetry Ingress Path<br/>โ€ข -99.0f Catastrophic Silicon Breakdown Asynchronous Scan"]
        L3_2["infrastructure_atomic_lock Mutex Primitive Engagement<br/>โ€ข hardware_health_registry 2D Topology Resource Allocation Guard"]
        L3_3["Cold Standby Node Pool & active_hardware_backup_routes Matrix<br/>โ€ข 1:1 Pointer Offset Hot-Swapping without Buffer Reallocation<br/>โ€ข SYSTEM_RECOVERY_KEY 1.0 Symmetry Telemetry Backhaul to Layer 3 HMI"]
    end
    style L3 fill:#2d1a2c,stroke:#684a65,color:#fff

    OUTPUT["๐Ÿ“ค OUTPUT / HOMEOSTASIS<br/><b>[Autograd-Free Real-Time State Topological Alignment & KV Cache Restoration]</b>"]:::outputStyle

    %% ์—ฐ๊ฒฐ์„  ์ •์˜ (Pipeline Datapath Routing - ๊ตต์€ ์‹ค์„ ์œผ๋กœ ์ „์‚ฌ ๊ฐ€๋™)
    INPUT ==> L1_Core
    L1_Core ==> L1_1 ==> L1_2 ==> L1_3
    L1_3 ==> L15_Core
    L15_Core ==> L15_1 ==> L15_2 ==> L15_3
    L15_3 ==> L2_Core
    L2_Core ==> L2_1 ==> L2_2 ==> L2_3 ==> L2_4
    
    %% ์ œ์–ด ๋ฐ ์˜ˆ์™ธ ํ๋ฆ„ (Asynchronous Control & Interrupt Feedback Loop - ์ ์„  ๊ฐ€๋™)
    L1_3 -. "Hardware Fault Telemetry Interrupt" .-> L3_1
    L2_4 -. "Numerical Anomaly Telemetry Interrupt" .-> L3_1
    
    L3_1 ==> L3_2 ==> L3_3
    
    L2_4 ==> OUTPUT
    L3_3 -. "Emergency Address Redirection (0ns Swap)" .-> OUTPUT
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๐Ÿ“‰ Core Technological Innovations

1. Autograd-Insulated Core (Backprop Isolation & Static Memory Allocation)

  • Tracer graph decoupling: Bypasses backpropagation tracing chains immediately upon data entry into the JAX processing scope, managing tensor-graph tracing behaviors that would otherwise accumulate activation cache allocations.
  • JIT latency virtualization: Integrates the enforce_algebraic_safety_gate ingress MUX firewall with static Ahead-of-Time (AOT) warmup tracks (trigger_system_warmup) powered by 0MB abstract tracer profiles (ShapeDtypeStruct) to pre-emptively lower and lock the execution graph into accelerator caches, permanently eradicating runtime JIT compilation latency jitter at the system boot boundary.
  • Complexity stabilization: Restructures overall computational memory complexity from a resolution-dependent quadratic $O(N^2)$ scale down to a strict static $O(1)$ footprint, aligning distributed training memory configurations with inference specifications to reduce framework-induced hardware load.

2. Register-Level Central Difference & Warp Shuffle (Register-Driven Gradient Processing)

  • HBM bottleneck mitigation: Reduces redundant high-bandwidth memory (HBM) bus probes and instruction latency stalls when referencing adjacent spatial coordinates during 3rd-order moment skewness-rectified Key/Value delta stream scans.
  • Hardware track optimization: Fuses low-level register-interchange intrinsics (__shfl_up_sync, __shfl_down_sync) with an isolated garbage attractor address layer (Garbage Index Masking) at the terminal boundary of the shared scratchpad structure to manage fringe data latency.
  • Branchless parallel extraction: Coordinates 32 execution strands within a single warp to extract spatial gradient fields through hardware-level MUX selectors (pinn_branchless_select_f32) driven by PTX selp.f32 instructions, permanently securing 0% warp divergence and code branch variations.

3. Cross-Axis Curl Inversion & FMA Hardware Interlock (Curl Inversion & Operational Fusion)

  • Vorticity cross-vectorization: Evaluates fluidic vorticity geometric formulations to cross-vectorize inverted vertical displacement strands into horizontal weight-rectification vectors (curl_inverted_u, curl_inverted_v) via deterministic algebraic synthesis, bypassing iterative backpropagation chains and gradient-descent convergence paths over pre-rectified Key/Value streams.
  • Homeostasis brake integration: Integrates a fluidic viscosity brake governed by a micro-dissipation coefficient ($\sigma = 0.00003125$) to actively stabilize parameter updates and permanently suppress floating-point divergence within the autograd-free context.
  • Pipeline-aligned arithmetic execution: Formulates update equations into a unified $(\mathbf{W} \times \gamma) + (\alpha \times \Delta)$ topology inside accelerator ALU registers (where $\gamma$ is the fixed DECAY_FACTOR, $\alpha$ is the learning_rate, and $\Delta$ is the curl-inversion displacement) to facilitate the generation of pipeline-aligned Fused Multiply-Add (FMA) machine code primitives, bypassing division stalls via Special Function Unit (SFU) reciprocal mapping (jax.lax.reciprocal).

4. Zero-Copy Stride Multi-Channel Solver (Zero-Copy Multi-Channel Interlock)

  • Direct VRAM interlock: Maps operational fields (param_w, spatial_u, spatial_v, adaptive_gain) from the 32-byte bare-metal layout directly into the JAX compiler view via the __cuda_array_interface__ v3 specification, ensuring flawless data-path routing to pre-rectified Key/Value cache tracks.
  • Bus contention mitigation: Extracts single-precision floating-point byte offsets directly from the physical base address lineโ€”ptr_w (+0) through ptr_gain (+12)โ€”bypassing host-device (H2D/D2H) buffer allocation cycles and physical data replication overheads.
  • Structural layout stability: Locks the stride vector to exactly 32 bytes, allowing the memory subsystem to manage active data segments effectively while skipping residual 8-byte cache padding fields to handle potential bank stalls and layout package drifts.

5. Fault-Tolerant Infrastructure Governance (Asynchronous Fault-Tolerant Infrastructure)

  • Vertical telemetry integration: Links low-level silicon anomaly scanning with macro distributed node backup map synthesis to capture hardware failure tokens ($-99.0f$) at local execution boundaries, protecting downstream Llama attention co-design layers.
  • Nominal data-path insulation: Maintains a passive event-driven control framework that routes operations through a primitive hardware_marker_signal == 0.0 early-exit path during normal cycles, establishing a strict zero-compute overhead baseline to completely isolate the active streaming data path.
  • Atomic address hot-swapping: Engages the asynchronous infrastructure_atomic_lock Mutex upon capturing an anomaly interrupt to manage resource allocation race conditions, executing dynamic pointer offset substitutions to unpowered Cold Standby physical node structures under the "FNG_V3_Pre_Rectified_KV_Bus" token without allocating new physical buffers or causing execution stalls.

๐Ÿ“Œ Project Architecture & Files

  • backend_core.cu (Layer 1: Bare-Metal CUDA Kernel)
    • Finite difference acceleration: Implements 1D spatial finite difference layouts utilizing static shared memory padding boundaries and warp shuffle primitives over high-order moment skewness-rectified streams.
    • Warp divergence mitigation: Houses hardware-level branchless computing loops combining garbage attractor address layers (Garbage Index Masking) and raw MUX selectors (pinn_branchless_select_f32 driven by PTX selp.f32) to permanently obliterate execution stalls and conditional pipeline branches.
    • Native spec inheritance: Architected to natively interface with the fault signature tokens (-99.0f) and physical layout specifications precision-synchronized with sister infrastructure asset Fluidic_Network_Grid (FNG) V3.
  • bridge_wrapper.cpp (Layer 1.5: C++ Interlock Bridge)
    • Zero-copy tensor forwarding: Functions as a zero-copy transport channel that links the __cuda_array_interface__ v3 specification, mapping VRAM address lines straight into the JAX compiler view with a true 0ns data transfer overhead.
    • Structural layout alignment: Freezes structural footprints to exactly sizeof(PinnCell32) = 32 bytes via strict stride constraints (strides=32), decomposing discrete single-precision floating-point byte offsets directly from ptr_w (+0) through ptr_gain (+12) to map pre-rectified Key/Value cache delta streams.
    • Jitter mitigation pipeline: Leverages C++20 static assertions (static_assert) and hardware branch attributes ([[unlikely]]) anchored under the "FNG_V3_Pre_Rectified_KV_Bus" capsule fence to guide instruction cache optimization and manage runtime memory latency variation.
  • pinn_brain.py (Layer 2: Autograd-Insulated JAX Core)
    • Tracer graph insulation: Drives an autograd-free mathematical engine that completely demolishes tensor graph accumulation by applying lax.stop_gradient insulation gates layer-by-layer to force a rigid static $O(1)$ memory footprint.
    • Homeostatic weight realignment: Combines fluidic viscosity brakes governed by micro-dissipation factors ($\sigma = 0.00003125$), pipeline-aligned single-clock FMA paths, and @donate_argnums in-place memory recycling to evaluate autonomous weight realignment mapped directly onto the underlying param_w sovereign attention memory footprint.
    • Infrastructure core interlock: Precision-aligned with the architectural philosophy, high-order moment cancellation mechanics, and transport structures established by sister infrastructure asset Fluidic_Network_Grid (FNG) V3 and the [pim-hbm-bypass] paradigm.
  • main_orchestrator.py (Layer 3: Asynchronous Infrastructure Governance)
    • Nominal data-path insulation: Operates as a passive event-driven monitoring tower that maintains a strict zero-compute overhead baseline during nominal states via a primitive hardware_marker_signal == 0.0 early-exit path, isolating the active streaming data path from framework jitter.
    • Atomic context protection: Deploys the asynchronous primitive infrastructure_atomic_lock Mutex across the 2D topology map registry (hardware_health_registry) to arbitrate emergency allocation requests and completely manage resource race conditions during multi-node failure bursts (-99.0f).
    • Hot-swapping governance: Governs dynamic pointer offset hot-swapping matrices (active_hardware_backup_routes) to mobilize unpowered Cold Standby node slots under the Layer 3 HMI console while inheriting the asynchronous homeostatic framework from sister infrastructure asset Fluidic_Network_Grid (FNG) V3.

๐Ÿ“œ License & Cross-Domain Prior Art Declaration

This project is distributed completely free of charge to the global open-source ecosystem and the mathematical physics academic community under the strict terms of the Apache License 2.0.

Any individual or enterprise is granted full authorization to freely ingest, replicate, modify, distribute, and embed this architecture and source code within commercial hardware or software systems. However, write-ups, commercial deployments, or derivative works must retain explicit copyright attributions and license notification mandates honoring the original author (PJHkorea).

๐Ÿ”— Hardware-Software Co-Design Sister Architecture Interlock Declaration

The forward-only control loop and autonomous tensor realignment systems implemented in this repository constitute a sister architecture systematically integrated at the raw physical address-line level with the author's high-end infrastructure assets, precision-tuned for large-scale language model inference serving.

  • [pim-hbm-bypass] (Apache 2.0 Sister Infrastructure): Shares the definitive blueprint for 0ns physical address-line zero-copy tensor bus direct-coupling via the __cuda_array_interface__ v3 specification, alongside the primitive transport mechanics that hijack the lax.stop_gradient firewall to freeze overall operational complexity into a static $O(1)$ footprint matching pure inference specifications.
  • Fluidic_Network_Grid (FNG) V3 (Apache 2.0 Master Infrastructure): Natively inherits and interfaces with the evaluation circuit specifications that capture physical pipeline breaches at nanosecond thresholds, trigger-detonating branchless MUX flushes straight to clean reference points upon capturing the $-99.0$ FAULT_SIGNATURE token, and executing 3rd-order moment skewness-rectified finite difference calculations over pre-rectified Key/Value cache delta streams.

Via this public open-source release, the aforementioned vertically integrated mechanisms automatically secure global legal status as a Defensive Prior Art Registration. While the high-level algorithmic layers presented here (Apache 2.0) are cleared for unrestricted proliferation throughout the ecosystem, any unauthorized expropriation of the underlying silicon-boundary mechanics to pursue monopolistic patent filings within the copyright domain of the master project (Fluidic_Network_Grid (FNG) V3) is legally blocked, barred, and invalidated at the source.


์™œ LLM์€ ํ™œ์„ฑํ™” ์บ์‹œ ๋‚ด๋ถ€์— ๋ฌด๊ฑฐ์šด ๊ตฌ์กฐ์  ๊ธฐ์–ต(Computation Graph)์„ ๋Š์ž„์—†์ด ์Œ“์•„๋‘˜๊นŒ์š”? ์ž๊ทน์ด ์˜ค๋ฉด ์•ž์œผ๋กœ๋งŒ ํ˜๋ ค๋ณด๋‚ด๋ฉฐ, ์Šค์Šค๋กœ ํ‰ํ˜•์„ ๋งž์ถ”๋Š” ์ƒ๋ฌผํ•™์  ํ•ญ์ƒ์„ฑ(Homeostasis) ๋ฐฉ์‹์œผ๋กœ ๋งŒ๋“ค์ง€ ๋ชปํ•˜๋Š” ๊ฑธ๊นŒ์š”? ์—ญ์ „ํŒŒ(Backprop)๊ฐ€ ์—†๋Š” ๋”ฅ๋Ÿฌ๋‹ ์ฒด๊ณ„์˜ ๋Œ€์•ˆ์  ์ฒญ์‚ฌ์ง„์„ ์ œ์•ˆํ•ฉ๋‹ˆ๋‹ค.


๐Ÿ›๏ธ ํ•˜๋“œ์›จ์–ด-์‹ ๊ฒฝ๋ง ๊ณต๋™ ์„ค๊ณ„(Co-Design) ์‚ผ์œ„์ผ์ฒด ์ธํ”„๋ผ ์ˆ˜์ง ์ƒํ˜ธ ์ฐธ์กฐ

๋ณธ ํ”„๋กœ์ ํŠธ๋Š” ์ œ๊ฐ€ ์ƒ์šฉ ๊ฑฐ๋Œ€ ์–ธ์–ด ๋ชจ๋ธ(LLM)์˜ ๋ถ„์‚ฐ ์„œ๋น™ ๊ฐ€์†์„ ์œ„ํ•ด ์„ค๊ณ„ํ•œ 3๋Œ€ ํ•ต์‹ฌ ์‹ค๋ฆฌ์ฝ˜-์‹ ๊ฒฝ๋ง ์ˆ˜์ง ํ†ตํ•ฉ ๊ณ„ํ†ต ์ž์‚ฐ์˜ ์ผ์›์ด๋ฉฐ, ๊ฐ๊ฐ์˜ repositories๊ฐ€ ์—ฐ๊ฒฐ๋˜์–ด์žˆ์œผ๋‹ˆ ์ฐธ์กฐํ•˜์—ฌ ๋ด์ฃผ์‹œ๋ฉด ๊ฐ์‚ฌ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค

  • [Fluidic_Network_Grid (FNG) V3]: NCCL All-Reduce ๋™๊ธฐํ™” ๋ฐฐ๋ฆฌ์–ด๋ฅผ ๋Œ€์ˆ˜์ ์œผ๋กœ ์šฐํšŒํ•˜๊ณ , ๊ฐ€ํ˜นํ•œ ํŒจํ‚ท ์œ ์‹ค ๋ฐ ๋ฌด์„  ๋…ธ์ด์ฆˆ ํ™˜๊ฒฝ์—์„œ ์‹œ๋ณ€ ์ง€ํ„ฐ๋ฅผ ์†Œ์ˆ˜์  8์ž๋ฆฌ ์ •๋ฐ€๋„๋กœ ์ •๋ฅ˜ํ•˜๋Š” ๊ฐ€์†๊ธฐ-ํ†ต์‹  ํ•˜๋“œ์›จ์–ด ๋„ค์ดํ‹ฐ๋ธŒ ์ œ์–ด ํ‰๋ฉด ๋ ˆ์ด์–ด์ž…๋‹ˆ๋‹ค.
  • [Forward_Only_Autograd_Free_PINN]: GPU ์›Œํ”„(Warp) ์ˆ˜์ค€์˜ ๋ ˆ์ง€์Šคํ„ฐ ์…”ํ”Œ ๊ธฐ๋ฐ˜ ๋ฌด๋ถ„๊ธฐ ๊ณต๊ฐ„ ์ฐจ๋ถ„ ๊ธฐ์ˆ ์„ ์ ์šฉํ•˜์—ฌ, FNG V3 ์ŠคํŠธ๋ฆผ์˜ 3์ฐจ ๋ชจ๋ฉ˜ํŠธ ์™œ๋„((m_3/m_2)) ๋Œ€์ˆ˜์  ์•ฝ๋ถ„ ์†Œ๊ฑฐ ๋ฐ 1-Cycle FMA ๊ฐ€์ค‘์น˜ ์ž์œจ ํ‰ํ˜•์„ ์™„๊ฒฐํ•˜๋Š” ์ˆ˜๋ฆฌ ๋ฌผ๋ฆฌ ์—ฐ์‚ฐ ์ฝ”์–ด ์—”์ง„์ž…๋‹ˆ๋‹ค.
  • [Continuous_Wave_Field_LLM_Brain v5.0]: DLPack ํ†ตํ•ฉ ๋ฉ”๋ชจ๋ฆฌ ํ‘œ์ค€ ๊ทœ๊ฒฉ ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ PyTorch ๊ฐ€์ค‘์น˜ ๋ฒ„ํผ์™€ JAX/XLA ๊ฐ€์† ์žฅ์น˜ ๊ฐ„์˜ 0ns ๋ฌด๋ณต์‚ฌ ๋ฐ์ดํ„ฐ ๊ตํ™˜์„ ๊ด€๋ฅ˜ ์ธํ„ฐ๋กํ•˜์—ฌ ํ›„๋‹จ Llama ์–ดํ…์…˜ ์ฝ”์–ด๋กœ ์ฒญ์ • ๋‹ค์–‘์ฒด ํ…์„œ๋ฅผ ์ „์†กํ•˜๋Š” ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ๊ฐ€์ด๋“œ ๋ ˆ์ด์–ด์ž…๋‹ˆ๋‹ค.

๐Ÿ”— ์•„ํ‚คํ…์ฒ˜ ์—ฐ๊ณ„ ๋ฐ ํ•˜๋“œ์›จ์–ด-์†Œํ”„ํŠธ์›จ์–ด ๊ณต๋™ ์„ค๊ณ„ (Co-Design)

๋ณธ ์ €์žฅ์†Œ๋Š” ์—ญ์ „ํŒŒ(Backpropagation)์˜ ์—ฐ์‚ฐ ์ถ”์  ์‚ฌ์Šฌ์„ ์šฐํšŒํ•˜๊ณ  ํ†ต์‹  ์Šคํ†จ์„ ๋ฐ•๋ฉธํ•˜๊ธฐ ์œ„ํ•œ ๋ฏธ๋‹ˆ๋ฉ€ํ•œ ์ˆ˜์ง ํ†ตํ•ฉ ์•„ํ‚คํ…์ฒ˜๋ฅผ ์ œ์ถœํ•ฉ๋‹ˆ๋‹ค. Fluidic_Network_Grid (FNG) V3 ํŒŒ์ดํ”„๋ผ์ธ๊ณผ ๋ฌผ๋ฆฌ ์ฃผ์†Œ ๋ ˆ๋ฒจ์—์„œ ์ง๊ฒฐ ์—ฐ๊ณ„๋˜์–ด, ์—„๊ฒฉํ•œ 32๋ฐ”์ดํŠธ ๋ฉ”๋ชจ๋ฆฌ ๋ฌผ๋ฆฌ ์ •๋ ฌ ๊ฒฝ๊ณ„์™€ ์˜คํ† ๊ทธ๋ผ๋“œ๊ฐ€ ์ฐจ๋‹จ๋œ 6์ฑ„๋„ ์ƒํƒœ ํ”„๋ ˆ์ž„์›Œํฌ๋ฅผ ์ˆ˜๋ฆฝํ•จ์œผ๋กœ์จ ๋Ÿฐํƒ€์ž„ ์ค‘๊ฐ„ ํ™œ์„ฑํ™” ๊ทธ๋ž˜ํ”„ ๋ˆ„์ ์„ ์ˆœ์ˆ˜ ์ธํผ๋Ÿฐ์Šค ์‚ฌ์–‘์— ์ค€ํ•˜๋Š” ์ •์  $O(1)$ ๊ตฌ์กฐ๋กœ ๋™๊ฒฐํ•ฉ๋‹ˆ๋‹ค. ๊ฐ€์ค‘์น˜๋Š” FNG V3 ์ •๋ฅ˜ ์„ ๋กœ๊ฐ€ ์‚ฌ์ถœํ•œ Key/Value ์บ์‹œ ์ •ํ™” ๋‹ค์–‘์ฒด ์œ„์—์„œ ๊ต์ฐจ์ถ• ์ปฌ ๋ฐ˜์ „(Cross-Axis Curl Inversion) ๊ณต์‹์„ ํ†ตํ•ด ์ž์œจ์ ์ธ ํ‰ํ˜• ์ƒํƒœ๋กœ ์œ ๋„๋˜๋ฉฐ, ๊ฐ€์†๊ธฐ ๋‚ด๋ถ€ ๋ ˆ์ง€์Šคํ„ฐ ๋‹จ์˜ ๋‹จ์ผ ์‚ฌ์ดํด FMA hardware ํŒŒ์ดํ”„๋ผ์ธ์— ์ง์ ‘ ๋งคํ•‘๋˜์–ด ์ฒ˜๋ฆฌ๋ฉ๋‹ˆ๋‹ค.


์ž๋™ ๋ฏธ๋ถ„ ๊ทธ๋ž˜ํ”„ ์ƒ์„ฑ์„ ์ตœ์†Œํ™”ํ•˜๋Š” '์ˆœ์ˆ˜ ์ˆœ๋ฐฉํ–ฅ ๋ฌผ๋ฆฌ ํ•ฉ์„ฑ ์‹ ๊ฒฝ๋ง (Forward-Only Autograd-Free PINN)'

ํ˜„๋Œ€ ๋”ฅ๋Ÿฌ๋‹ ์•„ํ‚คํ…์ฒ˜๋Š” ๋ฐฑํ”„๋กœํผ๊ฒŒ์ด์…˜(Backpropagation) ๊ณผ์ •์—์„œ ์—ฐ์‚ฐ ๊ทธ๋ž˜ํ”„๊ฐ€ $O(N^2)$ ํ˜•ํƒœ๋กœ ๋ˆ„์ ๋˜๋Š” ๊ฒฝํ–ฅ์ด ์žˆ์œผ๋ฉฐ, ์ด๋Š” ์œ ์˜๋ฏธํ•œ VRAM ์†Œ๋ชจ๋ฅผ ์•ผ๊ธฐํ•˜๊ฑฐ๋‚˜ ๋ฌด์„  ๋ฐ ์—์ง€ ์ฑ„๋„ ์œ ์‹ค๋กœ ์ธํ•œ ๋ถˆ์—ฐ์†์  ๋ฐ์ดํ„ฐ ์œ ์ž… ์‹œ ๊ทธ๋ ˆ๋””์–ธํŠธ ํญ๋ฐœ๊ณผ ๊ฐ€์ค‘์น˜ ํญ์‚ฌ(NaN/INF)๋ฅผ ์ดˆ๋ž˜ํ•˜๊ธฐ๋„ ํ•ฉ๋‹ˆ๋‹ค.

๋ณธ ํ”„๋กœ์ ํŠธ๋Š” ๊ฑฐ๋Œ€ LLM์˜ Context Parallelism ๋ถ„์‚ฐ ์„œ๋น™์— ์ •๋ฐ€ ์ตœ์ ํ™”ํ•˜๊ธฐ ์œ„ํ•ด, ๋กœ์šฐ๋ ˆ๋ฒจ ๊ณ ์„ฑ๋Šฅ ์œ ์ฒด ๊ฒฉ์ž ์‹œ์Šคํ…œ์˜ ๊ตฌ์กฐ์  ์ œ์•ฝ ์กฐ๊ฑด์—์„œ ์˜๊ฐ์„ ๋ฐ›์•„ ์ „์—ญ ํ–‰๋ ฌ ๊ณฑ์…ˆ, ์—ญ์ „ํŒŒ ์‚ฌ์Šฌ ๋ฐ NCCL ์žฌ์ „์†ก ๋ฐฐ๋ฆฌ์–ด ๋ธ”๋กœํ‚น์„ ์šฐํšŒํ•˜๋Š” ๋Œ€์•ˆ์ ์ธ ์ˆ˜๋ฆฌ ๋ฌผ๋ฆฌ ๊ธฐ๋ฐ˜ ์‹ ๊ฒฝ๋ง ๋ ˆ์ด์–ด๋ฅผ ํƒ์ƒ‰ํ•ฉ๋‹ˆ๋‹ค. ๋ฌด๊ฑฐ์šด ์ „์—ญ ์—ฐ์‚ฐ ๋Œ€์‹  ๊ณ ์ฐจ ๋ชจ๋ฉ˜ํŠธ ์™œ๋„๊ฐ€ ํ‰ํƒ„ํ™”๋œ ๋กœ์ปฌ ๊ฒฉ์ž์ ์˜ ์ฐจ๋ถ„ ํŽธ์ฐจ๋ฅผ ํ™œ์šฉํ•˜๋Š” ๋ฐฉ์‹์ž…๋‹ˆ๋‹ค.


๐Ÿ’ก ๋Œ€์•ˆ์  ์ ‘๊ทผ๋ฒ• ๋ฐ ํ•ต์‹ฌ ๋ฉ”์ปค๋‹ˆ์ฆ˜

  • ์˜คํ† ๊ทธ๋ผ๋“œ ์ ˆ์—ฐ์„ ํ†ตํ•œ ์ •์  ๋ฉ”๋ชจ๋ฆฌํ™”: ๋ฐ์ดํ„ฐ๊ฐ€ JAX ์—ฐ์‚ฐ ๋ฒ”์œ„์— ์ง„์ž…ํ•˜๋Š” ์ฆ‰์‹œ jax.lax.stop_gradient ๋ฐฉ์–ด์„ ์„ ์ ์šฉํ•˜์—ฌ ๊ทธ๋ ˆ๋””์–ธํŠธ ์ถ”์ ์„ ์™„๋ฒฝํžˆ ์ฐจ๋‹จํ•˜๊ณ , ์ค‘๊ฐ„ ํ™œ์„ฑํ™” ํ…์„œ ๋ณด์กด์„ ์œ„ํ•œ ๋ฒ„ํผ ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ์ œ๊ฑฐํ•˜์—ฌ ์ˆœ์ˆ˜ ์ถ”๋ก  ์‚ฌ์–‘์— ์ค€ํ•˜๋Š” ์ •์  $O(1)$ VRAM ํ• ๋‹น ํ”„๋กœํ•„์„ ์ˆ˜๋ฆฝํ•ฉ๋‹ˆ๋‹ค.
  • ์œ ์ฒด ์™€๋„ ๊ธฐํ•˜ํ•™ ๊ธฐ๋ฐ˜์˜ ๋Œ€์ˆ˜์  ์ž์œจ ์ •๋ ฌ: ๋ฐ˜๋ณต์ ์ธ ์†์‹ค ๊ทธ๋ ˆ๋””์–ธํŠธ ๋””์„ผํŠธ ์ˆ˜๋ ด ์‚ฌ์Šฌ ๋Œ€์‹ , ์œ ์ฒด์˜ ์™€๋„(Vorticity) ๊ธฐํ•˜ํ•™ ๊ณต์‹์„ ์‘์šฉํ•˜์—ฌ 3์ฐจ ๋ชจ๋ฉ˜ํŠธ ์™œ๋„(Skewness) ํ‰ํƒ„ํ™” ๊ฐ์‚ฐ์ด ์™„๋ฃŒ๋œ ์ฒญ์ • Key/Value ๋ธํƒ€ ์ŠคํŠธ๋ฆผ ์œ„์—์„œ ์ •๋ฐฉํ–ฅ ๊ด€๋ฅ˜ ์‹œ ๊ฐ€์ค‘์น˜ ํ…์„œ ์ž์œจ ๋ณด์ • ๋ณ€์œ„($\Delta_{\text{rectified}}$)๋ฅผ ๋Œ€์ˆ˜์ ์œผ๋กœ ์ง์ ‘ ํ•ฉ์„ฑํ•ฉ๋‹ˆ๋‹ค.
  • ํ•˜๋“œ์›จ์–ด ์ •๋ ฌ์„ ๊ณ ๋ คํ•œ ์ˆ˜์‹ ์žฌ์ „๊ฐœ: ๋งค๊ฐœ๋ณ€์ˆ˜ ๊ฐฑ์‹  ์ˆ˜์‹์„ ๊ฐ€์†๊ธฐ ALU ๋‚ด๋ถ€ ๋ ˆ์ง€์Šคํ„ฐ ๋‹จ์—์„œ $(\mathbf{W} \times \gamma) + (\alpha \times \Delta)$ ํŒŒ์ดํ”„๋ผ์ธ ํ† ํด๋กœ์ง€ ํ˜•ํƒœ๋กœ ์žฌ๋ฐฐ์น˜ํ•ฉ๋‹ˆ๋‹ค (์—ฌ๊ธฐ์„œ ์†Œ์‚ฐ ๊ณ„์ˆ˜ $\sigma = 0.00003125$ ์ด๋ฉฐ ๊ณ ์ • ๊ฐ์‡  ์ธ์ž๋Š” $\gamma = 1 - \sigma$). ์ด๋Š” ๋ฌผ๋ฆฌ์  ์ ์„ฑ ๋ธŒ๋ ˆ์ดํฌ ํ•ญ์˜ ์—ญํ• ์„ ์ˆ˜ํ–‰ํ•จ๊ณผ ๋™์‹œ์— ๋‚˜๋ˆ—์…ˆ ์Šฌ๋ž˜์‹œ๋ฅผ ๋ฐ•๋ฉธํ•˜๋Š” SFU(Special Function Unit) ๋„ค์ดํ‹ฐ๋ธŒ ์˜จ์นฉ ์—ญ์ˆ˜ ๋ณ€ํ™˜๊ธฐ(jax.lax.reciprocal) ํšŒ๋กœ๋ฅผ ๊ฐ€๋™ํ•˜์—ฌ, ์ปดํŒŒ์ผ๋Ÿฌ๊ฐ€ ์ตœ์ ํ™”๋œ ๋‹จ์ผ ์‚ฌ์ดํด FMA(Fused Multiply-Add) ๊ธฐ๊ณ„์–ด ๋ช…๋ น์–ด๋ฅผ ์ƒ์„ฑํ•˜๋„๋ก ์œ ๋„ํ•ฉ๋‹ˆ๋‹ค.

์ด๋Ÿฌํ•œ ์ œ์•ฝ ์กฐ๊ฑด๋“ค์˜ ๊ฒฐํ•ฉ์„ ํ†ตํ•ด, ๋ณธ ๊ตฌํ˜„์ฒด๋Š” ๊ธฐ์กด ์—ญ์ „ํŒŒ ๋„คํŠธ์›Œํฌ ๋Œ€๋น„ VRAM ๋ฉ”๋ชจ๋ฆฌ ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ์•ฝ 1/1000 ์ˆ˜์ค€์œผ๋กœ ์™„ํ™”ํ•  ์ˆ˜ ์žˆ์Œ์„ ๋ณด์—ฌ์ฃผ๋ฉฐ, ๋ฆฌ์†Œ์Šค๊ฐ€ ๊ฒฉํ•˜๊ฒŒ ์ œํ•œ๋œ ์ž„๋ฒ ๋””๋“œ ๋ฐ ๋ฌด์„  ์—์ง€ ์žฌ๋‚œ ํ™˜๊ฒฝ์—์„œ ๊ฑฐ๋Œ€ ์–ธ์–ด ๋ชจ๋ธ์˜ ๊ณ ํ•ด์ƒ๋„ PINN Attention Co-Design ํ† ํด๋กœ์ง€๋ฅผ ๊ตฌ๋™ํ•˜๊ธฐ ์œ„ํ•œ ๊ธฐ๋Šฅ์  ํ‰๊ฐ€ ๊ฒฝ๋กœ๋ฅผ ์™„์„ฑํ•ฉ๋‹ˆ๋‹ค.


1. Bare-Metal CUDA Kernel (๊ฒฉ์ž ๊ณต๊ฐ„ ๊ตฌ๋ฐฐ ์ ์ถœ ๋ ˆ์ด์–ด)

  • ์›Œํ”„ ์…”ํ”Œ ๊ธฐ๋ฐ˜์˜ ๋ฌด๋ถ„๊ธฐ ๊ณต๊ฐ„ ์ฐจ๋ถ„ (Warp-Shed Topology)
    • ์›Œํ”„ ๋‚ด๋ถ€ ๋ ˆ์ง€์Šคํ„ฐ ํ†ต์‹ : ๊ณ ์† ์—ฐ์‚ฐ ๊ตฌ๊ฐ„(Lane 1~30)์— ๋ ˆ์ง€์Šคํ„ฐ ๊ฐ„ ์ง์ ‘ ํ†ต์‹ ์ธ ์…”ํ”Œ ์ธํŠธ๋ฆฐ์ง(__shfl_up_sync, __shfl_down_sync)์„ ๊ฐ€๋™ํ•˜์—ฌ, ์ „๋‹จ FNG V3 ๋””์ฝ”๋” ์„ ๋กœ๊ฐ€ 3์ฐจ ์™œ๋„๋ฅผ ํ‰ํƒ„ํ™” ์ •๋ฅ˜ํ•˜์—ฌ ๋ฐœ์‚ฌํ•ด ์ค€ Key/Value ์บ์‹œ ๋ธํƒ€ ์ŠคํŠธ๋ฆผ ์Šค์บ” ์‹œ ๋ฐœ์ƒํ•˜๋Š” ์ „์—ญ ๋ฉ”๋ชจ๋ฆฌ(HBM) ์ ‘๊ทผ ์ง€์—ฐ์„ ์™„๋ฒฝํ•˜๊ฒŒ ์†Œ๋ฉธ์‹œํ‚ต๋‹ˆ๋‹ค.
    • ๊ฒฝ๊ณ„์„  ๋ ˆ์ดํ„ด์‹œ ์ œ์–ด: ์›Œํ”„ ์–‘ ๋๋‹จ(Lane 0, 31) ๋ฐ ๋ธ”๋ก ๊ฒฝ๊ณ„์„  ์Šค๋ ˆ๋“œ๊ฐ€ ์ฐธ์กฐํ•  halo ํŒจ๋”ฉ ๋ฐ์ดํ„ฐ๋ฅผ ์˜จ์นฉ ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ(__shared__) ๋ฐฐ์—ด๋กœ๋ถ€ํ„ฐ ํ• ๋‹น๋ฐ›๋„๋ก ๋งคํ•‘ํ•˜์—ฌ VRAM ์žฌ์š”์ฒญ ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ๊ด€๋ฆฌํ•˜๊ณ , ์ „๋‹จ FNG V3๊ฐ€ ์‚ฌ์ˆ˜ํ•œ ๊ณ ์ฐจ ๋…ธ์ด๋งŒ ๊ฒฝ๊ณ„ ์กฐ๊ฑด(Neumann Clamping)์˜ ๋ฌผ๋ฆฌ์  ์—ฐ๊ณ„์„ ์„ ์—„๊ฒฉํžˆ ๋ณด์กดํ•ฉ๋‹ˆ๋‹ค.
  • ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ ๋งˆ์Šคํ‚น์„ ํ†ตํ•œ ์›Œํ”„ ๋ถ„๊ธฐ ๋ถ„์‚ฐ ์™„ํ™” (Garbage Index Masking)
    • ๊ฒฉ๋ฆฌ ์Šฌ๋กฏ ๋ฐฐ์น˜: ๊ฒฝ๊ณ„ ์กฐ๊ฑด ์ฒ˜๋ฆฌ ์‹œ ๋ฐœ์ƒํ•˜๋Š” ์›Œํ”„ ๋ถ„๊ธฐ ๋ถ„์‚ฐ(Warp Divergence)์„ ์‹ค๋ฆฌ์ฝ˜ ํ•˜๋“œ์›จ์–ด ๋ ˆ๋ฒจ์—์„œ ์™„์ „ ๊ฒฉ๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด, ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ ๋ ˆ์ด์•„์›ƒ์˜ ์ข…๋‹จ ๊ฒฝ๊ณ„์— ์ •์  ์“ฐ๋ ˆ๊ธฐํ†ต ์ฃผ์†Œ(GARBAGE_IDX) ์˜์—ญ์„ ์ง€์ •ํ•ฉ๋‹ˆ๋‹ค.
    • ๋ฌด๋ถ„๊ธฐ ๋ณ‘๋ ฌ ์Šคํ† ์–ด ์ง‘ํ–‰: 256๊ฐœ ์ „์ฒด ์Šค๋ ˆ๋“œ๊ฐ€ ๊ฐœ๋ณ„ ์กฐ๊ฑด๋ฌธ ๋ถ„๊ธฐ ์˜ˆ์ธก ์ŠคํŠธ๋ ˆ์Šค ์—†์ด ์ผ์ œํžˆ ๋Œ€์นญ ์“ฐ๊ธฐ(Store) ๋ช…๋ น์„ ํˆฌํ•˜ํ•˜๋˜, ๋ฒ”์œ„ ์™ธ ํŽ˜์ด๋กœ๋“œ๋Š” ์“ฐ๋ ˆ๊ธฐํ†ต ์ฃผ์†Œ๋กœ ์™„์ „ํžˆ ์œ ์‹ค ๋ฐ ํก์ˆ˜๋˜๋„๋ก ์œ ๋„ํ•˜๋ฉฐ, PTX selp.f32 ๊ธฐ๊ณ„์–ด ๋ช…๋ น์–ด๋กœ ์งํ†ต ๊ฒฐ์ฐฉ๋œ ํ•˜๋“œ์›จ์–ด MUX ์„ ํƒ์ž(pinn_branchless_select_f32)๋ฅผ ํ™œ์šฉํ•ด ์ง„์ •ํ•œ 0ns ๋ช…๋ น์–ด ํ‰ํƒ„ํ™”๋ฅผ ๋‹ฌ์„ฑํ•ฉ๋‹ˆ๋‹ค.
  • ๋‚˜๋ˆ—์…ˆ ์šฐํšŒ ๋ฐ ๋ฌด๋ถ„๊ธฐ ์˜ˆ์™ธ ์ฒ˜๋ฆฌ ํ•„ํ„ฐ๋ง
    • ์ƒ์ˆ˜ ๋ฉ”๋ชจ๋ฆฌ ๋ฃฉ์—… ํ…Œ์ด๋ธ”: ๋ถ€๋™์†Œ์ˆ˜์  ๋‚˜๋ˆ—์…ˆ ํŒŒ์ดํ”„๋ผ์ธ์˜ ๊ทน์‹ฌํ•œ ์—ฐ์‚ฐ ๊ธฐํšŒ๋น„์šฉ์„ ์šฐํšŒํ•˜๊ธฐ ์œ„ํ•ด, constant ๋ฉ”๋ชจ๋ฆฌ ์˜์—ญ์— 64์š”์†Œ ์—ญ์ˆ˜ ๋ฃฉ์—… ํ…Œ์ด๋ธ”(RECIPROCAL_CELL_LUT)์„ ๋‚ด์žฅํ•˜์—ฌ 1024 ๊ฒฉ์ž ์ŠคํŽ™์— ์ตœ์ ํ™”๋œ ๋‹จ์ผ ์‚ฌ์ดํด ๊ณฑ์…ˆ ์—ฐ์‚ฐ์œผ๋กœ 100% ์ „ํ™˜ํ•ฉ๋‹ˆ๋‹ค.
    • ํ•˜๋ถ€ ์˜ˆ์™ธ ์กฐ๊ฑด ์ œ์–ด: ์ˆ˜์น˜ ํญ๋ฐœ(NaN/INF)์ด๋‚˜ ์ž„๊ณ„์น˜ ์ดˆ๊ณผ ์ŠคํŒŒ์ดํฌ ํฌํš ์‹œ ์ œ์–ด ํŒŒ์ดํ”„๋ผ์ธ์˜ ์ •์ฒด๋ฅผ ์ฐจ๋‹จํ•˜๊ธฐ ์œ„ํ•ด ๋…ผ๋ฆฌํ•ฉ ๋น„ํŠธ ์—ฐ์‚ฐ(|) ์žฅ์น˜์™€ ๊ฒฐ์ฐฉ๋œ ์กฐํ•ฉ ๋…ผ๋ฆฌ ์กฐ๊ฑด์‹(pinn_check_hardware_anomaly)์„ ์ ์šฉํ•˜๊ณ , ๋‹จ ํ•˜๋‚˜์˜ ์กฐ๊ฑด๋ถ€ JMP ๋ช…๋ น์–ด ์œ ์ถœ ์—†์ด ์ฆ‰๊ฐ ๋ ˆ์ง€์Šคํ„ฐ ๋‚ด๋ถ€๋ฅผ ์ฒญ์ • ๋ฒ ์ด์Šค๋ผ์ธ์ด์ž ๋””์ง€ํ„ธ ๋ถ€ํ˜ธ ์ €์ „์•• ์ƒํƒœ์ธ 0.0f(CLEAN_BASELINE_VAL) logical False ๋ ˆ์ผ๋กœ ํ•˜๋“œ ํ”Œ๋Ÿฌ์‹œ ์ง‘ํ–‰ํ•ฉ๋‹ˆ๋‹ค.

1.5. C++ Interlock Bridge (์ œ๋กœ์นดํ”ผ VRAM ํ„ฐ๋„๋ง ๋ ˆ์ด์–ด)

  • ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„  ๊ธฐ๋ฐ˜์˜ ์ œ๋กœ์นดํ”ผ ์ˆ˜์†ก ํŒŒ์ดํ”„๋ผ์ธ (Zero-Copy Forwarding)
    • PCIe ๋Œ€์—ญํญ ๊ฒฝํ•ฉ ์™„ํ™”: pybind11 ๋ฐ __cuda_array_interface__ v3 ๊ทœ๊ฒฉ์„ ํ™œ์šฉํ•˜์—ฌ ํ˜ธ์ŠคํŠธ-๋””๋ฐ”์ด์Šค(H2D/D2H) ๊ฐ„์˜ ๋ฌผ๋ฆฌ์  ๋ฐ์ดํ„ฐ ๋ณต์‚ฌ ๋น„์šฉ์„ ์™„์ „ํžˆ ๋ฐฐ์ œํ•˜๊ณ , ๋ฐ์ดํ„ฐ ์ด๋™์— ๋”ฐ๋ฅธ ์ธํ”„๋ผ ๊ธฐํšŒ๋น„์šฉ ๋ฐ PCIe ๋ฒ„์Šค ๋Œ€์—ญํญ ๋ณ‘๋ชฉ์„ ์›์ฒœ ์†Œ๋ฉธ์‹œํ‚ต๋‹ˆ๋‹ค.
    • ๋ช…๋ น์–ด ์บ์‹œ ๊ฒฝ๋กœ ๊ฒฉ๋ฆฌ: ๋ฐ์ดํ„ฐ ์ธ์ž… ๊ฒฝ๋กœ ์ƒ์— C++20 [[unlikely]] ์†์„ฑ์„ ๋ฐฐ์น˜ํ•˜์—ฌ ์˜ˆ์™ธ ์ฒ˜๋ฆฌ ์–ด์…ˆ๋ธ”๋ฆฌ ์ฝ”๋“œ๋ฅผ ๋ช…๋ น์–ด ์บ์‹œ(I-Cache)์˜ hot path ๋ฐ”๊นฅ ์ฝœ๋“œ ๋ฐ”์ด๋„ˆ๋ฆฌ ํŒจ์Šค๋กœ ๊ฒฉ๋ฆฌํ•จ์œผ๋กœ์จ, 99.9%์˜ ์ •์ƒ ๊ด€๋ฅ˜ ํŒจ์Šค ์‹คํ–‰ ์‹œ ๋ถ„๊ธฐ ์ฒ˜๋ฆฌ์— ๋”ฐ๋ฅธ CPU ํŒŒ์ดํ”„๋ผ์ธ ์Šคํ†จ์„ 0.0% ์ˆ˜์ค€์œผ๋กœ ํ†ต์ œํ•ฉ๋‹ˆ๋‹ค.
  • 6์ฑ„๋„ ๋…๋ฆฝ SoA ์˜คํ”„์…‹ ๋ถ„ํ•ด ๋ฐ ๋ณดํญ ์ง€์ • (Strides = 32 Channel Freezing)
    • ๊ตฌ์กฐ์  ๋ ˆ์ด์•„์›ƒ ์•ˆ์ •์„ฑ: JAX/XLA ํ”„๋ ˆ์ž„์›Œํฌ ๋‚ด๋ถ€์˜ ์˜ˆ๊ธฐ์น˜ ์•Š์€ ๋ ˆ์ด์•„์›ƒ ๋ณ€ํ˜•(Transpose/Re-stride) ๋ฐ ์Šฌ๋ผ์ด์‹ฑ ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ์™„๋ฒฝํžˆ ์ฐจ๋‹จํ•˜๊ธฐ ์œ„ํ•ด, ํ•˜๋ถ€ ๋ฐ”์ดํŠธ ์˜คํ”„์…‹ ๋ ˆ๋ฒจ์—์„œ 6๊ฐœ์˜ ๋…๋ฆฝ๋œ ์ฑ„๋„ ๋ทฐ๋กœ ๊ตฌ์กฐ๋ฅผ ๋งคํ•‘ํ•ฉ๋‹ˆ๋‹ค.
    • ๋ฉ”๋ชจ๋ฆฌ ๋ฒ„์Šค ๋ณดํญ ์กฐ์œจ: ๊ธฐ์ € ์ฃผ์†Œ์„ ์œผ๋กœ๋ถ€ํ„ฐ ๋‹จ์ •๋ฐ€๋„ ๋ถ€๋™์†Œ์ˆ˜์  ๋ฐ ์ •์ˆ˜ ํ•„๋“œ์˜ ๋ฐ”์ดํŠธ ์˜คํ”„์…‹ ๊ฐ€์‚ฐ ๋ผ์ธ(ptr_w (+0)๋ถ€ํ„ฐ ptr_coord (+20))์„ ์ถ”์ถœํ•˜๊ณ , ๋‹ค์Œ ์›์†Œ ์ฐธ์กฐ ์˜คํ”„์…‹ ๋ณดํญ์„ sizeof(PinnCell32) = 32 ๋ฐ”์ดํŠธ๋กœ ์™„์ „ํžˆ ๋™๊ฒฐ(Strides Freezing)ํ•ฉ๋‹ˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ๋ฉ”๋ชจ๋ฆฌ ์„œ๋ธŒ์‹œ์Šคํ…œ์ด ํŒจ๋”ฉ ์˜์—ญ์„ ํšจ๊ณผ์ ์œผ๋กœ ์Šคํ‚ต ์ ํ”„(Skip-jump)ํ•˜๋ฉฐ FNG V3 ๊ณ ์ฐจ ์ •๋ฅ˜๋‹จ์ด ์‚ฌ์ถœํ•œ Key/Value ์บ์‹œ ์ •ํ™” ๋‹ค์–‘์ฒด ์„ฑ๋ถ„๋งŒ ์ดˆ์†์œผ๋กœ ์กฐ์œจํ•˜๋„๋ก ์œ ๋„ํ•ฉ๋‹ˆ๋‹ค.
  • ํŒŒ์ด์ฌ ๊ฐ€๋น„์ง€ ์ปฌ๋ ‰ํ„ฐ ๊ฐ„์„ญ ์ ˆ์—ฐ ๊ฐ€๋“œ (Empty Deleter Lifecycle Fence)
    • Runtime ์ง€ํ„ฐ ์ œ์–ด: ์ž์›์˜ ๋ฉ”๋ชจ๋ฆฌ ์ˆ˜๋ช… ์ฃผ๊ธฐ๋ฅผ ๋กœ์šฐ๋ ˆ๋ฒจ ๋ฉ”๋ชจ๋ฆฌ ๋ ˆ์ง€์ŠคํŠธ๋ฆฌ ์˜์—ญ์— ์œ„์ž„ํ•˜๊ณ , ๋นˆ ๋””๋ฆฌํ„ฐ(Empty Deleter) ๋žŒ๋‹ค๊ฐ€ ํฌํ•จ๋œ ์ปค์Šคํ…€ py::capsule lifetime ํŽœ์Šค๋ฅผ โ€œFNG_V3_Pre_Rectified_KV_Busโ€ ํ† ํฐ ์‚ฌ์–‘ ํ•˜๋ฐฉ์— ์ ์šฉํ•˜์—ฌ ํŒŒ์ด์ฌ ๊ฐ€๋น„์ง€ ์ปฌ๋ ‰ํ„ฐ(GC)์˜ ๋น„๋™๊ธฐ์  ํšŒ์ˆ˜ ๊ฐ„์„ญ์„ ์ฒ ์ €ํžˆ ์ฐจ๋‹จ(์ ˆ์—ฐ)ํ•ฉ๋‹ˆ๋‹ค.
  • ์ปดํŒŒ์ผ ํƒ€์ž„ ์ •์  ์‚ฌ์–‘ ๊ฒ€์ฆ ๊ตฌ์กฐ (Compile-Time Sanity Firewall)
    • ์‚ฌ์ „ ๋ ˆ์ด์•„์›ƒ ๊ฒ€์ฆ: C++20 ํ‘œ์ค€ static_assert ๋ช…์„ธ๋ฅผ ๋„์ž…ํ•˜์—ฌ ๋นŒ๋“œ ๋‹จ๊ณ„์—์„œ ๊ตฌ์กฐ์ฒด ํฌ๊ธฐ๊ฐ€ ์ •ํ™•ํžˆ 32๋ฐ”์ดํŠธ ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„  ์ •๋ ฌ ๊ทœ๊ฒฉ์— ์•ˆ์ฐฉํ–ˆ๋Š”์ง€ ํ™•์ธํ•˜๋ฉฐ, ์ƒ์œ„ ์ธํ”Œ๋ ˆ์ด์Šค(In-place) ์กฐ์ž‘ ์‹œ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐ”์ดํŠธ ํŒจํ‚น ๋’คํ‹€๋ฆผ ๋ฆฌ์Šคํฌ๋ฅผ ์ปดํŒŒ์ผ ์‹œ์ ์— pre-emptiveํ•˜๊ฒŒ ์˜๊ตฌ ๊ฒฉ๋ฆฌ ์ฐจ๋‹จํ•ฉ๋‹ˆ๋‹ค.

2. Autograd-Insulated JAX Core (๋Œ€์ˆ˜์  ์œ„์ƒ ์ž์œจ ์ •๋ ฌ ๋ ˆ์ด์–ด)

  • ์—ญ์ „ํŒŒ ๊ฒฝ๋กœ ์ฐจ๋‹จ์„ ์œ„ํ•œ ์˜คํ† ๊ทธ๋ผ๋“œ ์ ˆ์—ฐ (Autograd Insulation)
    • ๊ทธ๋ ˆ๋””์–ธํŠธ ์ถ”์  ์ฐจ๋‹จ: ๋ฐ์ดํ„ฐ๊ฐ€ JAX ์—ฐ์‚ฐ ๋ฒ”์œ„์— ์ง„์ž…ํ•˜๋Š” ์ฆ‰์‹œ lax.stop_gradient ๋ฐฉ์–ด์„ ์„ ์ ์šฉํ•˜์—ฌ, ์ค‘๊ฐ„ ํ™œ์„ฑํ™” ํ…์„œ ๋ณด์กด์„ ์œ„ํ•œ ๊ฐ€์†๊ธฐ ์—ฐ์‚ฐ ๊ทธ๋ž˜ํ”„ ์ƒ์„ฑ ์žฅ์น˜๋ฅผ ํ†ต์งธ๋กœ ์†Œ๋ฉธ์‹œํ‚ค๊ณ  ๋ฉ”๋ชจ๋ฆฌ ๋ณต์žก๋„๋ฅผ ์ •์  $O(1)$๋กœ ๋™๊ฒฐํ•ฉ๋‹ˆ๋‹ค.
    • ์ˆ˜์น˜ ์ •ํ™” MUX ๊ฒŒ์ดํŠธ: ํ•˜๋ถ€ ๋ฐฉํ™”๋ฒฝ์ธ enforce_algebraic_safety_gate๋ฅผ ์—ฐ๋™ํ•˜์—ฌ ์ ˆ๋Œ€ ์ž„๊ณ„์น˜ $1.0 \times 10^6$ (GLOBAL_THRESHOLD) ์ดˆ๊ณผ ์ŠคํŒŒ์ดํฌ๋‚˜ ๊ฒฐํ•จ ๋งˆ์ปค $-99.0$ (FAULT_SIGNATURE) ์œ ์ž… ์ขŒํ‘œ๋ฅผ FNG V3 ๋””์ง€ํ„ธ ์ŠคํŠธ๋ฆผ ์ •๋ฐ€๋„์™€ ๋™๊ธฐํ™”ํ•˜์—ฌ ๋””์ง€ํ„ธ ๋ถ€ํ˜ธ ์ €์ „์•• ์ƒํƒœ์ธ '๋…ผ๋ฆฌ ๋ถ€ํ˜ธ 0 (False) ๋ ˆ์ผ'(CLEAN_BASELINE_VAL = 0.0f) ์ƒํƒœ๋กœ 0ns ๋‹จ์œ„๋กœ ์›์ž์  ํ”Œ๋Ÿฌ์‹œํ•ฉ๋‹ˆ๋‹ค.
    • AOT ์ปดํŒŒ์ผ๋Ÿฌ ์ •์  ์˜ˆ์—ด: 0MB ๊ฐ€์ƒ ์ถ”์ƒ ํ…์„œ ํ”„๋กœํŒŒ์ผ(ShapeDtypeStruct) ๊ธฐ๋ฐ˜์˜ ์‹œ์Šคํ…œ ์˜ˆ์—ด ์ปค๋„ (trigger_system_warmup)์„ ์‹œ์Šคํ…œ ๋ถ€ํŒ… ์ดˆ์ž…์— ๊ฐ€๋™ํ•˜์—ฌ, ๋Ÿฐํƒ€์ž„์˜ JIT ์ปดํŒŒ์ผ ์ดˆ๊ธฐ ๋ ˆ์ดํ„ด์‹œ ํŽธ์ฐจ๋ฅผ ์ปดํŒŒ์ผ ์‹œ์ ์— ์™„๋ฒฝํžˆ ์„ ์ œ ๋ฐ•๋ฉธํ•ฉ๋‹ˆ๋‹ค.
    • ๋ฉ”๋ชจ๋ฆฌ ๋ณต์žก๋„ ๋™๊ฒฐ: ์—ฐ์‚ฐ ๋ฉ”๋ชจ๋ฆฌ ๋ณต์žก๋„๋ฅผ ๊ณต๊ฐ„ ํ•ด์ƒ๋„ ์ฆ๊ฐ€์— ๋”ฐ๋ฅธ ์ œ๊ณฑ ํ˜•ํƒœ $O(N^2)$ ๊ตฌ์กฐ์—์„œ ์™„์ „ํ•œ ์ •์  $O(1)$ ๋ ˆ์ด์•„์›ƒ์œผ๋กœ ๋ณ€ํ™˜ํ•˜์—ฌ, ๋ถ„์‚ฐ ์„œ๋น™ ํ•™์Šต ํ™˜๊ฒฝ์˜ VRAM ํ• ๋‹น ํ”„๋กœํ•„์„ ์ถ”๋ก  ์‚ฌ์–‘ ์ˆ˜์ค€์œผ๋กœ ์กฐ์œจํ•˜๋Š” ๋…๋ณด์ ์ธ ์•„ํ‚คํ…์ฒ˜๋ฅผ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค.
  • ๋ฌผ๋ฆฌ ๋ฒ•์น™ ๊ธฐ๋ฐ˜์˜ ๋Œ€์ˆ˜์  ์ž”์ฐจ ์ƒ์‡„ (Cross-Axis Curl Inversion)
    • ์™€๋„ ๊ธฐ๋ฐ˜ ๋Œ€์ˆ˜ ํ•ฉ์„ฑ: ๋ฐ˜๋ณต์ ์ธ ์†์‹ค ๊ทธ๋ ˆ๋””์–ธํŠธ ๋””์„ผํŠธ ํƒ์ƒ‰ ์ˆ˜๋ ด ์‚ฌ์Šฌ ๋Œ€์‹ , ์œ ์ฒด์˜ ์™€๋„(Vorticity) ๊ธฐํ•˜ํ•™ ๊ณต์‹์„ ์‘์šฉํ•˜์—ฌ FNG V3 ๊ณ ์ฐจ ์™œ๋„ ํ‰ํƒ„ํ™” ์ •๋ฅ˜๊ฐ€ ์™„๊ฒฐ๋œ Key/Value ์บ์‹œ ์ •ํ™” ์ฐจ๋ถ„ ๋ฒกํ„ฐ ์œ„์—์„œ ์ˆ˜์ง ํŽธ์ฐจ ์„ฑ๋ถ„์„ ์—ญ์ „ํ•œ ๊ฐ€์ค‘์น˜ ์ž์œจ ๋ณด์ • ๋ณ€์œ„ ๋ฒกํ„ฐ(curl_inverted_u, curl_inverted_v)๋ฅผ ๋Œ€์ˆ˜์ ์œผ๋กœ ์ง์ ‘ ํ•ฉ์„ฑํ•ฉ๋‹ˆ๋‹ค.
  • ํŒŒ์ดํ”„๋ผ์ธ ์ •๋ ฌ FMA ๊ฐ€์†์„ ์œ„ํ•œ ์ˆ˜์‹ ์žฌ์ „๊ฐœ
    • ์ˆ˜์น˜ ์•ˆ์ •์„ฑ ๋ธŒ๋ ˆ์ดํฌ: ์˜คํ† ๊ทธ๋ผ๋“œ๊ฐ€ ์ฐจ๋‹จ๋œ ํ™˜๊ฒฝ์˜ ๊ฐ€์ค‘์น˜ ๋ณ€๋™์„ฑ์„ ์ œ์–ดํ•˜๊ธฐ ์œ„ํ•ด, ๋ฏธ์†Œ ์†Œ์‚ฐ ๊ณ„์ˆ˜ $\sigma = 0.00003125$ ๊ฐ€ ์œ ์ž…๋œ ์œ ์ฒด ์ ์„ฑ ๋ธŒ๋ ˆ์ดํฌ ํ•ญ์„ ์ ์šฉํ•˜์—ฌ ํ…์„œ ๊ฐฑ์‹  ํ‰ํ˜•์„ ์˜๊ตฌํžˆ ์œ ์ง€ํ•ฉ๋‹ˆ๋‹ค.
    • ์—ฐ์‚ฐ ํŒŒ์ดํ”„๋ผ์ธ ์ •ํ•ฉ: ๊ฐ€์ค‘์น˜ ๊ฐฑ์‹  ์ˆ˜์‹์„ $(\mathbf{W} \times \gamma) + (\alpha \times \Delta)$ ํ˜•ํƒœ๋กœ ์ •๋ ฌํ•˜์—ฌ (์—ฌ๊ธฐ์„œ $\gamma$๋Š” DECAY_FACTOR, $\alpha$๋Š” learning_rate, $\Delta$๋Š” ์ปฌ ๋ฐ˜์ „ ๋ณ€์œ„), ๊ฐ€์†๊ธฐ ALU ๋‚ด๋ถ€ ๋ ˆ์ง€์Šคํ„ฐ์˜ ํŒŒ์ดํ”„๋ผ์ธ ์Šคํ†จ์„ ์ฐจ๋‹จํ•˜๊ณ  1-Cycle ํ•˜๋“œ์›จ์–ด FMA(Fused Multiply-Add) ์ตœ์  ๊ธฐ๊ณ„์–ด primitive ์ฝ”๋“œ ์‚ฌ์ถœ์„ ์œ ๋„ํ•˜๋ฉฐ, SFU ๋„ค์ดํ‹ฐ๋ธŒ ์˜จ์นฉ ์—ญ์ˆ˜ ๋ณ€ํ™˜๊ธฐ(jax.lax.reciprocal) ํšŒ๋กœ ๋งคํ•‘์„ ํ†ตํ•ด ๋‚˜๋ˆ—์…ˆ ์Šคํ†จ์„ ์™„์ „ํžˆ ํŒŒ์‡„ํ•ฉ๋‹ˆ๋‹ค.
  • ๋ฒ„ํผ ์žฌ์‚ฌ์šฉ ๊ธฐ๋ฐ˜์˜ ์ธํ”Œ๋ ˆ์ด์Šค ๊ฐ€์ค‘์น˜ ์ „์‚ฌ
    • ์†Œ๋ฒ„๋ฆฐ ๋ฒ„ํผ ์ •๋ ฌ: ์ตœ์™ธ๊ณฝ ์œตํ•ฉ ๋งˆ์Šคํ„ฐ ์ปค๋„(_fused_xla_update_step) ๋‹จ์— @functools.partial(jax.jit, donate_argnums=(0,)) ์ง€์‹œ์–ด๋ฅผ ๋ช…์‹œํ•˜์—ฌ ํ† ํฐ ๋ ˆ์ผ ๋ถ„์‚ฐ ๊ฐ€์ค‘์น˜ ๋ฉ”๋ชจ๋ฆฌ ์žฌ์‚ฌ์šฉ ๊ตฌ์กฐ๋ฅผ ์ฒ ์ €ํžˆ ๊ณ ์ •ํ•ฉ๋‹ˆ๋‹ค.
    • ์ธํ”Œ๋ ˆ์ด์Šค VRAM ์žฌํ™œ์šฉ: ๋Ÿฐํƒ€์ž„ ์Šคํ…๋งˆ๋‹ค ๋ฐœ์ƒํ•˜๋Š” ์ผ์‹œ์  ๋ฒ„ํผ ํ• ๋‹น ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ์™„ํ™”ํ•˜์—ฌ, ๊ฐ€์ค‘์น˜ ๋งคํŠธ๋ฆญ์Šค๊ฐ€ ๊ธฐ์ € C++ ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„ (param_w) ์–ดํ…์…˜ ์†Œ๋ฒ„๋ฆฐ VRAM ์˜์—ญ ์œ„์—์„œ ๋ฉ”๋ชจ๋ฆฌ ๋ณต์‚ฌ ๋ฒ„๋ธ” ์ „ํ˜€ ์—†์ด ์ธํ”Œ๋ ˆ์ด์Šค(In-place)๋กœ ์ง์ ‘ ์—…๋ฐ์ดํŠธ๋˜๋„๋ก ๋งคํ•‘ํ•ฉ๋‹ˆ๋‹ค.

3. Asynchronous Infrastructure Governance (๋ถ„์‚ฐ ๋…ธ๋“œ ๊ฑฐ๋ฒ„๋„Œ์Šค ์‚ฌ๋ นํƒ‘)

  • ์ด๋ฒคํŠธ ๊ธฐ๋ฐ˜์˜ ์ œ๋กœ ์˜ค๋ฒ„ํ—ค๋“œ ๊ด€์ œ ์ฒด๊ณ„ (Passive Event-Driven Monitoring)
    • ํด๋ง ์˜ค๋ฒ„ํ—ค๋“œ ์™„ํ™”: ๋Ÿฐํƒ€์ž„ ์ฃผ๊ธฐ ์ค‘ ๋ถˆํ•„์š”ํ•œ ๊ณ„์‚ฐ ์ž์›์„ ์†Œ๋ชจํ•˜๋Š” ํ™œ์„ฑ ํด๋ง(Polling) ๋ฃจํ”„๋ฅผ ๋ฐฐ์ œํ•˜๊ณ , ์‹ค์‹œ๊ฐ„ ํ•˜๋“œ์›จ์–ด ์ธํ„ฐ๋ŸฝํŠธ ํ”Œ๋ž˜๊ทธ๊ฐ€ ์œ ์ž…๋˜๋Š” ์‹œ์ ์—๋งŒ ๋ฐ˜์‘ํ•˜๋Š” ๋น„๋™๊ธฐ ์ด๋ฒคํŠธ ํ•ธ๋“ค๋Ÿฌ ๊ตฌ์กฐ๋ฅผ ์šด์šฉํ•ฉ๋‹ˆ๋‹ค.
    • ์ •์ƒ ์ƒํƒœ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ ๊ฒฉ๋ฆฌ: ํ—ฌ์‹œ(Nominal) ์ƒํƒœ ์กฐ๊ฑด ํ•˜์—์„œ๋Š” ๊ด€์ œ ์‹ ํ˜ธ๋ฅผ hardware_marker_signal == 0.0 early-exit ๊ฒฝ๋กœ๋กœ ๋ผ์šฐํŒ…ํ•˜์—ฌ, ๋Œ€๊ทœ๋ชจ ์ŠคํŠธ๋ฆฌ๋ฐ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ ์ƒ์— ๋ฏธ์น˜๋Š” ๊ฐ„์„ญ๊ณผ ํ”„๋ ˆ์ž„์›Œํฌ ์œ ๋„ ์ง€ํ„ฐ๋ฅผ ํ†ต์ œํ•˜๊ณ  Strict Zero 0% ์˜ค๋ฒ„ํ—ค๋“œ์˜ ์ฒญ์ • ํŒจ์‹œ๋ธŒ ๋ฒ ์ด์Šค๋ผ์ธ์„ ์‚ฌ์ˆ˜ํ•ฉ๋‹ˆ๋‹ค.
  • ์ž์› ๊ฒฝํ•ฉ ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ๋น„๋™๊ธฐ ์›์ž์  ๊ฐ€๋“œ (Async Mutex Synchronization)
    • ๊ฒฐํ•จ ๋ฒ„์ŠคํŠธ ๊ด€๋ฆฌ: ํ•˜๋ถ€ ์ปค๋„ ๋ฐ ๋ถ„์‚ฐ ๊ฒฉ์ž์  ๋ฑ…ํฌ(FNG V3 Shard ์„ธํ„ฐ)์—์„œ ์˜ˆ์™ธ ์ˆ˜์น˜๋‚˜ ์นดํƒ€์ŠคํŠธ๋กœํ”ฝ ์‹ค๋ฆฌ์ฝ˜ ๋Œ€ํŒŒ์—ด ํ•˜๋“œ์›จ์–ด ๊ฒฐํ•จ ๋งˆ์ปค ๊ณ ์žฅ ํ† ํฐ(-99.0f)์ด ๋‹ค๋ฐœ์ ์œผ๋กœ ์ธ์ž…(Burst)๋˜๋Š” ์ƒํƒœ๋ฅผ ํŒŒ์•…ํ•˜๋Š” fail-safe ๊ด€๋ฆฌ ํฌ์ง€์…˜์„ ์ทจํ•ฉ๋‹ˆ๋‹ค.
    • ๊ฒฝํ•ฉ ์ƒํƒœ ์ œ์–ด: ๊ณต์œ  ์ž์› ํ’€์˜ ๊ฒฉ๋ฆฌ ์•ˆ์ „์„ฑ์„ ํ™•๋ณดํ•˜๊ธฐ ์œ„ํ•ด 2D ํ† ํด๋กœ์ง€ ๋งต ๋ ˆ์ง€์ŠคํŠธ๋ฆฌ(hardware_health_registry) ์˜์—ญ์— asyncio.Lock ๊ฐ€๋“œ primitive(infrastructure_atomic_lock)๋ฅผ ๊ฒฐ์ฐฉ์‹œ์ผœ ๋‹ค์ค‘ ๊ณ ์žฅ ๋…ธ๋“œ ๊ฐ„์˜ ์ž์› ํ• ๋‹น ๊ฒฝ์Ÿ ์ƒํƒœ(Race Condition)๋ฅผ ์™„์ „ํžˆ ๋ฉธ์ข…์‹œํ‚ค๊ณ  ๋ฉ”๋ชจ๋ฆฌ ์›์ž์„ฑ์„ ์‚ฌ์ˆ˜ํ•ฉ๋‹ˆ๋‹ค.
  • ๊ฐ€์ƒ ์ฃผ์†Œ์„  ๋ฆฌ๋‹ค์ด๋ ‰์…˜ ๋ฐ ํ•ซํ”Œ๋Ÿฌ๊น… (Cold Standby Address Hot-Swapping)
    • ์˜ˆ๋น„ ๋…ธ๋“œ ๊ฒฉ๋ฆฌ: ์ƒ์‹œ ์ „๋ ฅ ์†Œ๋ชจ๋ฅผ ์ฐจ๋‹จํ•œ ์ฑ„ ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„  ๋ ˆ์ด์•„์›ƒ๋งŒ ์„ ์ œ ๋ฝํ‚น ๋Œ€๊ธฐํ•˜๋Š” Cold Standby ๋น„์ƒ ์˜ˆ๋น„ ๊ฐ€์†๊ธฐ ํ† ํด๋กœ์ง€ ๋งต(๊ธฐ๋ณธ cold_standby_pool_size = 5)์„ ๊ตฌ์„ฑํ•ฉ๋‹ˆ๋‹ค.
    • ํฌ์ธํ„ฐ ์˜คํ”„์…‹ ํ•ซ์Šค์™‘: ๋งค๊ฐœ๋ณ€์ˆ˜ ํ”„๋กœํŒŒ์ผ ๋ณ€๋™ ์ธํ„ฐ๋ŸฝํŠธ ํฌํš ์‹œ ํŒŒ์ด์ฌ runtime ๋‚ด๋ถ€์—์„œ ํฌ์ธํ„ฐ ์˜คํ”„์…‹ ์Šค์œ„์นญ์„ ์ฆ‰๊ฐ ์‹คํ–‰ํ•˜๊ณ  ๋น„์ƒ ๋ผ์šฐํŒ… ๋งคํŠธ๋ฆญ์Šค(active_hardware_backup_routes)๋ฅผ ๊ฐฑ์‹ ํ•˜์—ฌ, ๋ฐ์ดํ„ฐ ๋ฌผ๋ฆฌ ๋ณต์‚ฌ ๋น„์šฉ์ด๋‚˜ ์—ฐ์‚ฐ ์Šคํ†จ ์ „ํ˜€ ์—†์ด failed ์ฑ„๋„์„ 0ns ๋‹จ์œ„๋กœ ์šฐํšŒ ๋ฆฌ๋‹ค์ด๋ ‰์…˜ํ•ฉ๋‹ˆ๋‹ค.
    • ๋Œ€์นญํ˜• ํ…”๋ ˆ๋ฉ”ํŠธ๋ฆฌ ๋ฐฑํ™€: ๋‚ด๋ถ€ ์‹ ๊ฒฝ๋ง ์—”์ง„์ด ์ž์œจ์ ์ธ ๋Œ€์ˆ˜ ์ •์ •์„ ์™„๋ฃŒํ•˜๋Š” ์‹œ์ ์— ์ •์ƒ ๋ณต๊ตฌ ์‹ ํ˜ธ(1.0 SYSTEM_RECOVERY_KEY)๋ฅผ ์ˆ˜์ž…ํ•˜๋ฉฐ, ์ƒ์œ„ Llama ํŠธ๋žœ์Šคํฌ๋จธ์˜ ์–ดํ…์…˜ ๋ณต์›์ด ์˜ค์ฐจ ์—†์ด ์™„๊ฒฐ๋˜์—ˆ์Œ์„ ์„ ํฌํ•˜๊ณ  param_w๋ถ€ํ„ฐ coordinate_id๊นŒ์ง€์˜ 6๋Œ€ SoA ๋…๋ฆฝ ์ฑ„๋„ ์œ„์ƒ ๋ณต๊ตฌ ์—ฌ๋ถ€๋ฅผ Layer 3 HMI ๊ด€์ œ ์ฝ˜์†”๋กœ ์™„๋ฒฝํžˆ ๋™๊ธฐํ™”ํ•ฉ๋‹ˆ๋‹ค.

[OUTPUT / HOMEOSTASIS] โž” ๋ฏธ๋ถ„ ์—†๋Š” ์‹ค์‹œ๊ฐ„ ์ƒํƒœ ์œ„์ƒ ํ‰ํ˜• ๋ฐ Llama ์–ดํ…์…˜ ๋ ˆ์ผ ๋‚ด๋ถ€ KV ์บ์‹œ ๋ณต์› ์™„๊ฒฐ

graph TD
    %% ์Šคํƒ€์ผ ์ •์˜ (๊ฐ€์‹œ์„ฑ ๊ทน๋Œ€ํ™”๋ฅผ ์œ„ํ•œ ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์Šคํƒ€์ผ ์„ ์–ธ)
    classDef inputStyle fill:#1a1a1a,stroke:#00e5ff,stroke-width:2px,color:#fff;
    classDef layerStyle fill:#2d3748,stroke:#4a5568,stroke-width:1px,color:#fff;
    classDef controlStyle fill:#2d1a2c,stroke:#684a65,stroke-width:1px,color:#fff;
    classDef outputStyle fill:#1c4ed8,stroke:#3b82f6,stroke-width:2px,color:#fff;

    %% ๋…ธ๋“œ ์ •์˜ (FNG V3 & Llama Attention Co-Design ๋™๊ธฐํ™” ์ „์‚ฌ)
    INPUT["๐Ÿ“ฅ INPUT STREAM <br/> <b>[FNG V3 3์ฐจ ์™œ๋„ ํ‰ํƒ„ํ™” ์ •๋ฅ˜ ๋””์ง€ํ„ธ ์ด์ง„ ๋ถ€ํ˜ธ ์ŠคํŠธ๋ฆผ]</b>"]:::inputStyle

    subgraph L1 ["1. Bare-Metal CUDA Kernel (๊ฒฉ์ž ๊ณต๊ฐ„ ๊ตฌ๋ฐฐ ์ ์ถœ)"]
        L1_Core["๊ฒฉ์ž ๊ณต๊ฐ„ ๊ตฌ๋ฐฐ ์ ์ถœ ๋ ˆ์ด์–ด ์ฝ”์–ด"]
        L1_1["Warp Shuffle Intrinsic ๋ฐ ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ ํŒจ๋”ฉ<br/>โ€ข ์ „์—ญ VRAM ์ค‘๋ณต ์ฐธ์กฐ ์ง€์—ฐ ๋ ˆ์ดํ„ด์‹œ ์™„์ „ ์†Œ๋ฉธ<br/>โ€ข ๋…ธ์ด๋งŒ ๊ฐ€์ƒ ๊ฒฉ์ž์  ๋Œ€์นญ ๊ฐ€๋‘  ๊ฒฝ๊ณ„ ์ŠคํŽ™ ๋งคํ•‘"]
        L1_2["Constant ๋ฉ”๋ชจ๋ฆฌ LUT ๊ธฐ๋ฐ˜ ์—ญ์ˆ˜ ์ถ”์ถœ<br/>โ€ข RECIPROCAL_CELL_LUT ๊ณ ์ • 1024-๊ฒฉ์ž ์ฐจ๋ถ„ ์Šค์ผ€์ผ ํŒฉํ„ฐ<br/>โ€ข ๋ถ€๋™์†Œ์ˆ˜์  ๋‚˜๋ˆ—์…ˆ ํŒŒ์ดํ”„๋ผ์ธ ์Šคํ†จ ์™„์ „ ํŒŒ์‡„"]
        L1_3["Garbage Index Masking ๋ฐ pinn_branchless_select_f32<br/>โ€ข PTX selp.f32 ๊ธฐ๊ณ„์–ด ๊ธฐ๋ฐ˜ 0ns ๋ช…๋ น์–ด ํ‰ํƒ„ํ™”<br/>โ€ข pinn_check_hardware_anomaly ๋น„ํŠธ ๋…ผ๋ฆฌํ•ฉ ์˜ˆ์™ธ ํ•„ํ„ฐ๋ง"]
    end
    style L1 fill:#1a202c,stroke:#4a5568,color:#fff

    subgraph L15 ["1.5 C++ Interlock Bridge (์ œ๋กœ์นดํ”ผ VRAM ํ„ฐ๋„๋ง)"]
        L15_Core["์ œ๋กœ์นดํ”ผ VRAM ํ„ฐ๋„๋ง ๋ ˆ์ด์–ด ์ฝ”์–ด"]
        L15_1["pybind11 & __cuda_array_interface__ v3<br/>โ€ข ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„  ๊ธฐ๋ฐ˜ ์ง์ ‘ ์ˆ˜์†ก ๊ด€๋กœ (์ „์†ก ๋น„์šฉ 0ns)<br/>โ€ข ํ˜ธ์ŠคํŠธ-๋””๋ฐ”์ด์Šค(H2D/D2H) ๋ฌผ๋ฆฌ์  ๋ฒ„ํผ ๋ณต์‚ฌ ๋ฒ„๋ธ” ๋ฐ•๋ฉธ"]
        L15_2["6-Channel SoA ๋ฐ”์ดํŠธ ์˜คํ”„์…‹ ๋ถ„ํ•ด<br/>โ€ข ptr_w (+0)๋ถ€ํ„ฐ ptr_coord (+20)๊นŒ์ง€์˜ ๋…๋ฆฝ ํฌ์ธํ„ฐ ๋ทฐ<br/>โ€ข sizeof(PinnCell32)=32 ๋ฐ strides=32 ๋ฌผ๋ฆฌ ๋ ˆ์ด์•„์›ƒ ๊ณ ์ •"]
        L15_3["Empty Deleter ๋ฐ C++20 static_assert / [[unlikely]] ์†์„ฑ<br/>โ€ข 'FNG_V3_Pre_Rectified_KV_Bus' ์บก์А ํ† ํฐ ์ˆ˜๋ช… ์ฃผ๊ธฐ ์ ˆ์—ฐ<br/>โ€ข ํŒŒ์ด์ฌ GC ๊ฐ„์„ญ ๋ฐ•๋ฉธ ๋ฐ ๋ช…๋ น์–ด ์บ์‹œ(I-Cache) ๊ฒฝ๋กœ ๊ฒฉ๋ฆฌ"]
    end
    style L15 fill:#1a202c,stroke:#4a5568,color:#fff

    subgraph L2 ["2. Autograd-Insulated JAX Core (๋Œ€์ˆ˜์  ์œ„์ƒ ์ž์œจ ์ •๋ ฌ)"]
        L2_Core["๋Œ€์ˆ˜์  ์œ„์ƒ ์ž์œจ ์ •๋ ฌ ๋ ˆ์ด์–ด ์ฝ”์–ด"]
        L2_1["lax.stop_gradient ๊ฒฉ๋ฆฌ๋ง‰ ์ธ์ž… ๋ฐ trigger_system_warmup<br/>โ€ข enforce_algebraic_safety_gate 0ns ๋…ผ๋ฆฌ ๋ถ€ํ˜ธ 0 ํ”Œ๋Ÿฌ์‹œ<br/>โ€ข 0MB ๊ฐ€์ƒ ShapeDtypeStruct ๊ธฐ๋ฐ˜ JIT ์ปดํŒŒ์ผ ์ง€ํ„ฐ ์™„์ „ ์†Œ๋ฉธ"]
        L2_2["๊ต์ฐจ์ถ• ์ปฌ ๋ฐ˜์ „ curl_inverted_u/v ๋ฐ ์ ์„ฑ ๋ธŒ๋ ˆ์ดํฌ ํ•ญ ๊ฒฐํ•ฉ<br/>โ€ข FNG V3 ์ •๋ฅ˜ ํ…์„œ ๊ธฐ๋ฐ˜ ์œ ์ฒด ์™€๋„ ๊ธฐํ•˜ํ•™ ์ž์œจ ๋Œ€์ˆ˜ ํ•ฉ์„ฑ<br/>โ€ข SIGMA_DISSIPATION ์Šค์ผ€์ผ ๋™๊ฒฐ ๊ธฐ๋ฐ˜ ๊ฐ€์ค‘์น˜ ์ˆ˜์น˜ ๋ฐœ์‚ฐ ์ œ์–ด"]
        L2_3["FMA ๋ช…๋ น์–ด ์œ ๋„๋ฅผ ์œ„ํ•œ ์ˆ˜์‹ ์žฌ์ „๊ฐœ Layout<br/>โ€ข ์™„์ „ํ•œ (W * ฮณ) + (ฮฑ * ฮ”) ํŒŒ์ดํ”„๋ผ์ธ ํ† ํด๋กœ์ง€ ๋™๊ฒฐ<br/>โ€ข DECAY_FACTOR ๊ณ ์ • ๊ฐ์‡  ์ธ์ž ์—ฐ๋™ ๋ฐ jax.lax.reciprocal SFU ์œตํ•ฉ"]
        L2_4["@functools.partial ๋ฐ jax.jit donate_argnums=0 ๋ฒ„ํผ ์ •๋ ฌ<br/>โ€ข param_w ์†Œ๋ฒ„๋ฆฐ ์–ดํ…์…˜ ์ฃผ์†Œ์„  ๊ธฐ๋ฐ˜ ์ˆœ์ˆ˜ ์ธํ”Œ๋ ˆ์ด์Šค ๋งคํ•‘<br/>โ€ข ์—ฐ์‚ฐ ๋ฉ”๋ชจ๋ฆฌ ๋ณต์žก๋„๋ฅผ ์ •์  O(1) ํ”„๋กœํ•„๋กœ ์™„์ „ ์••์ถ• ๋™๊ฒฐ"]
    end
    style L2 fill:#1a202c,stroke:#4a5568,color:#fff

    subgraph L3 ["3. Asynchronous Infrastructure Governance (๋ถ„์‚ฐ ๋…ธ๋“œ ๊ฑฐ๋ฒ„๋„Œ์Šค ์‚ฌ๋ นํƒ‘)"]
        L3_Core["๋ถ„์‚ฐ ๋…ธ๋“œ ๊ฑฐ๋ฒ„๋„Œ์Šค ์‚ฌ๋ นํƒ‘<br/>โ€ข ํŒจ์‹œ๋ธŒ ์ด๋ฒคํŠธ ๊ตฌ๋™ํ˜• ์ œ์–ด ํ”Œ๋ ˆ์ธ (ํ‰์ƒ์‹œ ์—ฐ์‚ฐ ์˜ค๋ฒ„ํ—ค๋“œ 0.0%)<br/>โ€ข ์ •์ƒ ์ƒํƒœ hardware_marker_signal == 0.0 ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ ๊ฒฉ๋ฆฌ"]
        L3_1["๊ฒฐํ•จ ํ…”๋ ˆ๋ฉ”ํŠธ๋ฆฌ ์ธ์ž… ๊ฒฝ๋กœ<br/>โ€ข -99.0f ์นดํƒ€์ŠคํŠธ๋กœํ”ฝ ์‹ค๋ฆฌ์ฝ˜ ๋Œ€ํŒŒ์—ด ์ธํ„ฐ๋ŸฝํŠธ ๋น„๋™๊ธฐ ์Šค์บ”"]
        L3_2["infrastructure_atomic_lock Mutex ๊ฐ€๋“œ ๊ฐ€๋™<br/>โ€ข hardware_health_registry 2D ํ† ํด๋กœ์ง€ ๋…ธ๋“œ ์ž์› ํ• ๋‹น ๊ฒฝ์Ÿ ์ œ์–ด"]
        L3_3["Cold Standby ์˜ˆ๋น„ ๋ฌผ๋ฆฌ ๋…ธ๋“œ ๋ฐ active_hardware_backup_routes<br/>โ€ข ๋ฐ์ดํ„ฐ ๋ณต์‚ฌ ์˜ค๋ฒ„ํ—ค๋“œ ์ „ํ˜€ ์—†๋Š” 0ns ํฌ์ธํ„ฐ ์˜คํ”„์…‹ ํ•ซ์Šค์™‘<br/>โ€ข SYSTEM_RECOVERY_KEY 1.0 ์ •์ƒ ๋ณต๊ตฌ ์‹ ํ˜ธ Layer 3 HMI ์ฝ˜์†” ๋ฐฑํ™€"]
    end
    style L3 fill:#2d1a2c,stroke:#684a65,color:#fff

    OUTPUT["๐Ÿ“ค OUTPUT / HOMEOSTASIS <br/> <b>[๋ฏธ๋ถ„ ์—†๋Š” ์‹ค์‹œ๊ฐ„ ์ƒํƒœ ์œ„์ƒ ํ‰ํ˜• ๋ฐ Llama ์–ดํ…์…˜ ๋‚ด๋ถ€ KV ์บ์‹œ ๋ณต์› ์™„๊ฒฐ]</b>"]:::outputStyle

    %% ์—ฐ๊ฒฐ์„  ์ •์˜ (Pipeline Datapath Routing - ๊ตต์€ ์‹ค์„ ์œผ๋กœ ๊ฐ€๋™)
    INPUT ==> L1_Core
    L1_Core ==> L1_1 ==> L1_2 ==> L1_3
    L1_3 ==> L15_Core
    L15_Core ==> L15_1 ==> L15_2 ==> L15_3
    L15_3 ==> L2_Core
    L2_Core ==> L2_1 ==> L2_2 ==> L2_3 ==> L2_4
    
    %% ์ œ์–ด ๋ฐ ์˜ˆ์™ธ ํ๋ฆ„ (Asynchronous Control & Interrupt Feedback Loop - ์ ์„  ๊ฐ€๋™)
    L1_3 -. "ํ•˜๋“œ์›จ์–ด ์‹ค๋ฆฌ์ฝ˜ ๊ฒฐํ•จ ์ธํ„ฐ๋ŸฝํŠธ" .-> L3_1
    L2_4 -. "์ˆ˜์น˜ ์˜ˆ์™ธ ๋ฐฉํ™”๋ฒฝ ๋ŒํŒŒ ์ธํ„ฐ๋ŸฝํŠธ" .-> L3_1
    
    L3_1 ==> L3_2 ==> L3_3
    
    L2_4 ==> OUTPUT
    L3_3 -. "๋น„์ƒ ์ฃผ์†Œ์„  ์šฐํšŒ ๋ฆฌ๋‹ค์ด๋ ‰์…˜ (0ns ํ•ซ์Šค์™‘)" .-> OUTPUT
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๐Ÿ“‰ Core Technological Innovations

1. Autograd-Insulated Core (๋ฏธ๋ถ„ ๊ฒฝ๋กœ ์ ˆ์—ฐ ๋ฐ ์ •์  ๋ฉ”๋ชจ๋ฆฌ ํ• ๋‹น)

์ˆ˜์น˜ํ•ด์„ ๋ฐ์ดํ„ฐ๊ฐ€ ์—”์ง„ ์ดˆ์ž…์— ์ง„์ž…ํ•จ๊ณผ ๋™์‹œ์— ๋ฏธ๋ถ„ ์‚ฌ์Šฌ์„ ์™„์ „ํžˆ ์ฐจ๋‹จํ•˜์—ฌ, ์ค‘๊ฐ„ ํ™œ์„ฑํ™” ํ…์„œ ๋ณด์กด์„ ์œ„ํ•œ ๊ฐ€์†๊ธฐ VRAM ์ž”์กด ์ถ”์  ๊ทธ๋ž˜ํ”„ ์ƒ์„ฑ์„ ํ†ต์งธ๋กœ ํŒŒ์‡„ํ•ฉ๋‹ˆ๋‹ค. ์ž…๊ตฌ MUX ๋ฐฉํ™”๋ฒฝ์ธ enforce_algebraic_safety_gate ๊ฒŒ์ดํŠธ์™€ 0MB ๊ฐ€์ƒ ์ถ”์ƒ ํ…์„œ ํ”„๋กœํŒŒ์ผ(ShapeDtypeStruct) ๊ธฐ๋ฐ˜์˜ ์ •์  ์˜ˆ์—ด ํŒŒ์ดํ”„๋ผ์ธ (trigger_system_warmup)์„ ๊ฒฐํ•ฉํ•˜์—ฌ, ๋Ÿฐํƒ€์ž„ JIT ์ปดํŒŒ์ผ ์ดˆ๊ธฐ ๋ ˆ์ดํ„ด์‹œ ํŽธ์ฐจ๋ฅผ ์ปดํŒŒ์ผ ์‹œ์ ์— ์™„์ „ํžˆ ์„ ์ œ ๋ฐ•๋ฉธํ•ฉ๋‹ˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ์—ฐ์‚ฐ ๋ฉ”๋ชจ๋ฆฌ ๋ณต์žก๋„๋ฅผ ๊ณต๊ฐ„ ํ•ด์ƒ๋„ ์ฆ๊ฐ€์— ๋”ฐ๋ฅธ ์ œ๊ณฑ ํ˜•ํƒœ $O(N^2)$ ๊ตฌ์กฐ์—์„œ ์™„์ „ํ•œ ์ •์  $O(1)$ ๋ ˆ์ด์•„์›ƒ์œผ๋กœ ๋™๊ฒฐ์‹œํ‚ด์œผ๋กœ์จ, ๊ฑฐ๋Œ€ LLM ๋ถ„์‚ฐ ์„œ๋น™ ์‹œ VRAM ํ• ๋‹น ํ”„๋กœํ•„์„ ์ˆœ์ˆ˜ ์ถ”๋ก (Inference) ์‚ฌ์–‘ ์ˆ˜์ค€์œผ๋กœ ์กฐ์œจํ•˜๋Š” ๋Œ€์•ˆ์  ํŒจ๋Ÿฌ๋‹ค์ž„์„ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค.

2. Register-Level Central Difference & Warp Shuffle (๋ ˆ์ง€์Šคํ„ฐ ๊ธฐ๋ฐ˜ ์ฐจ๋ถ„ ๊ฐ€์†)

1์ฐจ์› ๊ณต๊ฐ„ ์ฐจ๋ถ„ ํŽธ์ฐจ ๋„์ถœ ์‹œ, ์ธ์ ‘ ๊ฒฉ์ž์  ์ฐธ์กฐ๋ฅผ ์œ„ํ•ด ์ „์—ญ ๋ฉ”๋ชจ๋ฆฌ ๋ฒ„์Šค(HBM)์— ๋ฐ˜๋ณต ์ ‘๊ทผํ•˜๋Š” ์ง€์—ฐ ๋ณ‘๋ชฉ์„ ์™„์ „ํžˆ ๋ฐ•๋ฉธํ•ฉ๋‹ˆ๋‹ค. GPU ๋‚ด๋ถ€์˜ ๊ณ ์† ๋ฐ์ดํ„ฐ ๋ ˆ์ผ์ธ ์›Œํ”„ ์…”ํ”Œ ์ธํŠธ๋ฆฐ์ง(__shfl_up_sync, __shfl_down_sync)๊ณผ ์ฃผ์†Œ์„  ์ œ์–ด ์žฅ์น˜์ธ ์“ฐ๋ ˆ๊ธฐํ†ต ์ฃผ์†Œ ๋งˆ์Šคํ‚น(Garbage Index Masking) ๋ฉ”์ปค๋‹ˆ์ฆ˜์„ ์œตํ•ฉํ•˜์—ฌ, 32๊ฐœ ์Šค๋ ˆ๋“œ๊ฐ€ ์›Œํ”„ ๋ถ„๊ธฐ ๋ถ„์‚ฐ(Warp Divergence)์— ๋”ฐ๋ฅธ ์Šคํ†จ ์—†์ด PTX selp.f32 ๊ธฐ๊ณ„์–ด ํšŒ๋กœ์™€ ์ง๊ฒฐ๋œ ๋ฌด๋ถ„๊ธฐ ์„ ํƒ์ž(pinn_branchless_select_f32)๋ฅผ ํ†ตํ•ด FNG V3 ๊ณ ์ฐจ ์™œ๋„ ์ •๋ฅ˜ Key/Value ์บ์‹œ ๋‹ค์–‘์ฒด ์ฐจ๋ถ„ ๋ฒกํ„ฐ๋ฅผ ๋ ˆ์ง€์Šคํ„ฐ ๋‹จ๋… 1ํด๋ก ๋งŒ์— ๋ณ‘๋ ฌ ์ ์ถœํ•˜๋„๋ก ๊ตฌ์„ฑํ•ฉ๋‹ˆ๋‹ค.

3. Cross-Axis Curl Inversion & FMA Hardware Interlock (๊ต์ฐจ์ถ• ๋ฐ˜์ „ ๋ฐ ํ•˜๋“œ์›จ์–ด ์—ฐ์‚ฐ ์œตํ•ฉ)

๋ฐ˜๋ณต์ ์ธ ์†์‹ค ๊ทธ๋ ˆ๋””์–ธํŠธ ๋””์„ผํŠธ ํƒ์ƒ‰ ์ˆ˜๋ ด ์‚ฌ์Šฌ ๋Œ€์‹ , ์œ ์ฒด์˜ ์™€๋„(Vorticity) ๊ธฐํ•˜ํ•™ ๊ณต์‹์„ ์‘์šฉํ•˜์—ฌ ์ˆ˜์ง ํŽธ์ฐจ ํ•ญ์˜ ๋ถ€ํ˜ธ๋ฅผ ๋ฐ˜์ „ํ•œ ์ฑ„ ๊ฐ€์ค‘์น˜ ์ž์œจ ๋ณด์ • ๋ณ€์œ„ ๋ฒกํ„ฐ(curl_inverted_u, curl_inverted_v)๋กœ ๊ต์ฐจ ๋งคํ•‘ํ•˜๋Š” ๋ฐฉ์‹์„ ์ทจํ•ฉ๋‹ˆ๋‹ค. ์˜คํ† ๊ทธ๋ผ๋“œ๊ฐ€ ๋ฐฐ์ œ๋œ ํ™˜๊ฒฝ์—์„œ์˜ ์ˆ˜์น˜์  ๋ณ€๋™์„ฑ์„ ์ œ์–ดํ•˜๊ธฐ ์œ„ํ•ด ๋ฏธ์†Œ ์†Œ์‚ฐ ๊ณ„์ˆ˜ $\sigma = 0.00003125$ ๊ฐ€ ์œ ์ž…๋œ ์œ ์ฒด ์ ์„ฑ ๋ธŒ๋ ˆ์ดํฌ ํ•ญ์„ ์ ์šฉํ•˜๊ณ , ๊ฐ€์ค‘์น˜ ๊ฐฑ์‹  ์ˆ˜์‹์„ ๊ณ ์ • ๊ฐ์‡  ์ธ์ž(DECAY_FACTOR)์™€ ํ•™์Šต๋ฅ (learning_rate)์ด ์—ฐ๋™๋œ $(\mathbf{W} \times \gamma) + (\alpha \times \Delta)$ ํŒŒ์ดํ”„๋ผ์ธ ํ† ํด๋กœ์ง€ ํ˜•ํƒœ๋กœ ์žฌ๋ฐฐ์น˜ํ•˜์—ฌ ๊ฐ€์†๊ธฐ ALU ๋‚ด๋ถ€ ๋ ˆ์ง€์Šคํ„ฐ ๋‹จ์—์„œ FMA(Fused Multiply-Add) ์ตœ์  ๊ธฐ๊ณ„์–ด primitive ์ฝ”๋“œ๊ฐ€ ์‚ฌ์ถœ๋˜๋„๋ก ์œ ๋„ํ•˜๋ฉฐ, jax.lax.reciprocal SFU(Special Function Unit) ๋งคํ•‘์„ ๊ฐ€๋™ํ•ด ๋‚˜๋ˆ—์…ˆ ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ์™„์ „ ํŒŒ์‡„ํ•ฉ๋‹ˆ๋‹ค.

4. Zero-Copy Stride Multi-Channel Solver (์ œ๋กœ์นดํ”ผ ๋‹ค์ค‘ ์ฑ„๋„ ์ธํ„ฐ๋ก)

CUDA Bare-Metal ๋‹จ์˜ 32๋ฐ”์ดํŠธ ๋ฌผ๋ฆฌ ์ •๋ ฌ ๊ตฌ์กฐ์ฒด ๋ ˆ์ด์•„์›ƒ์—์„œ ์ƒ์œ„ ์—ฐ์‚ฐ์— ํ•„์ˆ˜์ ์ธ param_w, spatial_u, spatial_v, adaptive_gain ํ•„๋“œ๋งŒ์„ __cuda_array_interface__ v3 ํฌ์ธํ„ฐ ์ธํ„ฐ๋ก์„ ํ†ตํ•ด JAX ํ…์„œ ๋ทฐ(View)๋กœ ์ง์ ‘ ์—ฐ๋™ํ•˜์—ฌ FNG V3 ์ •ํ™” ๋‹ค์–‘์ฒด ์ž์‚ฐ์œผ๋กœ ์ง์†ก ๋ผ์šฐํŒ…ํ•ฉ๋‹ˆ๋‹ค. ๊ธฐ์ € ์ฃผ์†Œ์„ ์œผ๋กœ๋ถ€ํ„ฐ์˜ ๋ฐ”์ดํŠธ ์˜คํ”„์…‹ ๊ฐ€์‚ฐ ๋ผ์ธ์ธ ptr_w (+0)๋ถ€ํ„ฐ ptr_gain (+12)๊นŒ์ง€ ๋ช…ํ™•ํžˆ ๋ถ„ํ•ดํ•˜์—ฌ ํ˜ธ์ŠคํŠธ-๋””๋ฐ”์ด์Šค ๊ฐ„์˜ ๋ฌผ๋ฆฌ์  ๋ฒ„ํผ ํ• ๋‹น ๋ฐ ๋ฐ์ดํ„ฐ ๋ณต์‚ฌ ์˜ค๋ฒ„ํ—ค๋“œ๋ฅผ ์šฐํšŒํ•˜๊ณ , ๋‹ค์Œ ์›์†Œ ์ฐธ์กฐ ์˜คํ”„์…‹ ๋ณดํญ์„ ๊ตฌ์กฐ์ฒด ์ „์ฒด ํฌ๊ธฐ์ธ 32๋ฐ”์ดํŠธ๋กœ ๊ณ ์ •ํ•˜์—ฌ ๋ฉ”๋ชจ๋ฆฌ ๋ฒ„์Šค ๋ถ€ํ•˜๋ฅผ ์™„์ „ํžˆ ์†Œ๋ฉธ์‹œํ‚ค๊ณ  ์บ์‹œ๋ผ์ธ ํŒŒํŽธํ™” ๋ฐ ๋ฑ…ํฌ ์Šคํ†จ ๊ฐ€๋Šฅ์„ฑ์„ ํ•˜๋“œ์›จ์–ด ์ œ์–ด ๋ ˆ๋ฒจ์—์„œ ์™„๋ฒฝํžˆ ๋ฐฉ์–ดํ•ฉ๋‹ˆ๋‹ค.

5. Fault-Tolerant Infrastructure Governance (๋น„๋™๊ธฐ ๊ฒฐํ•จ ํ—ˆ์šฉ ์ œ์–ด ์ธํ”„๋ผ)

ํ•˜๋ถ€ ์‹ค๋ฆฌ์ฝ˜ ๋ ˆ๋ฒจ์—์„œ ์œ ์ž…๋˜๋Š” ์˜ˆ์™ธ ์ˆ˜์น˜ ๋ฐ ํ•˜๋“œ์›จ์–ด ๊ณ ์žฅ ํ† ํฐ -99.0f ์Šค์บ”๊ณผ ์ƒ์œ„ ๋ถ„์‚ฐ ๋…ธ๋“œ์˜ ๋ฐฑ์—… ๋ผ์šฐํŒ… ๋งต ๋นŒ๋“œ๋ฅผ ์ˆ˜์ง์œผ๋กœ ์—ฐ๊ณ„ํ•˜์—ฌ ์šด์šฉํ•จ์œผ๋กœ์จ ํ•˜๋ฐฉ Llama Attention Co-Design ๊ณ„์ธต์„ ์•ˆ์ „ ๊ฒฉ๋ฆฌ ๋ฐฉ์–ดํ•ฉ๋‹ˆ๋‹ค. ํ‰์ƒ์‹œ์—๋Š” ์—ฐ์‚ฐ ๋ถ€ํ•˜ ์ตœ์†Œํ™”(Strict Zero 0% ์˜ค๋ฒ„ํ—ค๋“œ)๋ฅผ ๋งŒ์กฑํ•˜๋Š” ํŒจ์‹œ๋ธŒ ์ด๋ฒคํŠธ ๊ตฌ๋™ํ˜• ์ œ์–ด ํ”Œ๋ ˆ์ธ(hardware_marker_signal == 0.0 ์กฐ๊ฑด ํŒจ์Šค)์„ ์œ ์ง€ํ•˜๋‹ค๊ฐ€, ๊ฒฐํ•จ ๋ฐœ์ƒ ์ธํ„ฐ๋ŸฝํŠธ ํฌํš ์‹œ โ€œFNG_V3_Pre_Rectified_KV_Busโ€ ํ† ํฐ ์‚ฌ์–‘ ํ•˜๋ฐฉ์—์„œ infrastructure_atomic_lock Mutex ์ž‘๋™์„ ํ†ตํ•ด ์ž์› ํ• ๋‹น ๊ฒฝ์Ÿ ์ƒํƒœ(Race Condition)๋ฅผ ์ œ์–ดํ•˜๊ณ  Cold Standby ์˜ˆ๋น„ ๋ฌผ๋ฆฌ ๋…ธ๋“œ๋กœ ์ฃผ์†Œ์„ ์„ ์ „ํ™˜ํ•˜์—ฌ ์šฐํšŒ ํ•ซํ”Œ๋Ÿฌ๊น… ๋ฆฌ๋‹ค์ด๋ ‰์…˜ํ•˜๋Š” ๋ฌด์ค‘๋‹จ ์ž์œจ ๋ณต๊ตฌ ๊ฐ€์ด๋“œ๋ผ์ธ์„ ์ˆ˜๋ฆฝํ•ฉ๋‹ˆ๋‹ค.


๐Ÿ“Œ Project Architecture & Files

  • backend_core.cu (Layer 1: Bare-Metal CUDA Kernel)
    • ์œ ํ•œ์ฐจ๋ถ„ ๊ฐ€์†: ๊ณต์œ  ๋ฉ”๋ชจ๋ฆฌ ํŒจ๋”ฉ ์กด ๋ฐ ์›Œํ”„ ์…”ํ”Œ ์ธํŠธ๋ฆฐ์ง ์—ฐ๋™์„ ๋ฐ”ํƒ•์œผ๋กœ ๊ณ ์ฐจ ๋ชจ๋ฉ˜ํŠธ ์™œ๋„ ํ‰ํƒ„ํ™” ์ •๋ฅ˜ ๋‹ค์–‘์ฒด ์ŠคํŠธ๋ฆผ ์œ„์—์„œ 1์ฐจ์› ๊ฒฉ์ž ๊ณต๊ฐ„ ์œ ํ•œ์ฐจ๋ถ„ ๊ฐ€์† ๋ช…์„ธ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ์ปค๋„ ์ฝ”์–ด์ž…๋‹ˆ๋‹ค.
    • Warp ๋ถ„๊ธฐ ๋ถ„์‚ฐ ์™„ํ™”: ์“ฐ๋ ˆ๊ธฐํ†ต ์ฃผ์†Œ ๋งˆ์Šคํ‚น(Garbage Index Masking) ๊ธฐ์ „๊ณผ PTX selp.f32 ๊ธฐ๊ณ„์–ด๋กœ ๊ตฌ๋™๋˜๋Š” ๋ฌด๋ถ„๊ธฐ ์„ ํƒ์ž(pinn_branchless_select_f32)๋ฅผ ๊ฒฐํ•ฉํ•˜์—ฌ Warp Divergence ์Šคํ†จ ๋ฐ ์กฐ๊ฑด๋ถ€ ํŒŒ์ดํ”„๋ผ์ธ ๋ถ„๊ธฐ๋ฅผ ์™„๋ฒฝํžˆ ์ฐจ๋‹จํ•˜๋Š” ๋…์ž์ ์ธ ํ•˜๋“œ์›จ์–ด ๊ณ„์‚ฐ ๋ฃจํ‹ด์„ ํฌํ•จํ•˜๋ฉฐ, ์ž๋งค ์ธํ”„๋ผ ๋ฐฑ๋ณธ์ธ **Fluidic_Network_Grid (FNG) V3**์˜ ๊ฒฐํ•จ ํ† ํฐ ๋ฐ ๋ฌผ๋ฆฌ ๋ ˆ์ด์•„์›ƒ ์ŠคํŽ™๊ณผ ์—ฐ๋™๋˜๋„๋ก ์ •ํ•ฉํ–ˆ์Šต๋‹ˆ๋‹ค.
  • bridge_wrapper.cpp (Layer 1.5: C++ Interlock Bridge)
    • ์ œ๋กœ์นดํ”ผ ํ…์„œ ํฌ์›Œ๋”ฉ: __cuda_array_interface__ v3 ๊ทœ๊ฒฉ์„ ์ธํ„ฐ๋กํ•˜์—ฌ ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„  ๊ธฐ๋ฐ˜์œผ๋กœ ๋””๋ฐ”์ด์Šค ๋ฉ”๋ชจ๋ฆฌ๋ฅผ JAX ๋ฐ์ดํ„ฐ ๋ฒ„์Šค๋กœ ๋ฌด๋ณต์‚ฌ ์ง์†กํ•˜๋Š” ์ „์†ก ๋น„์šฉ 0ns ์‚ฌ์–‘์˜ ์ˆ˜์†ก ๊ด€๋กœ ๋ชจ๋“ˆ์ž…๋‹ˆ๋‹ค.
    • ๊ตฌ์กฐ์  ๋ ˆ์ด์•„์›ƒ ๊ณ ์ •: ๊ตฌ์กฐ์ฒด ๋ณดํญ ์ œํ•œ ์ œ์•ฝ(strides=32)์„ ํ™œ์šฉํ•ด sizeof(PinnCell32) = 32 ๋ฐ”์ดํŠธ ๊ทœ๊ฒฉ์„ ๋™๊ฒฐํ•˜๊ณ , ๊ธฐ์ € ์ฃผ์†Œ์„ ์œผ๋กœ๋ถ€ํ„ฐ ptr_w (+0)๋ถ€ํ„ฐ ptr_gain (+12)๊นŒ์ง€ ๋ถ„ํ•ดํ•˜์—ฌ ๊ณ ์ฐจ ์™œ๋„๊ฐ€ ์ •๋ฅ˜ ์™„๋ฃŒ๋œ Key/Value ์บ์‹œ ๋ธํƒ€ ์ŠคํŠธ๋ฆผ ์ฃผ์†Œ์„ ์„ ๊ฐœ๋ณ„ ๋งคํ•‘ํ•ฉ๋‹ˆ๋‹ค.
    • ์ง€ํ„ฐ ์™„ํ™” ํŒŒ์ดํ”„๋ผ์ธ: "FNG_V3_Pre_Rectified_KV_Bus" ์บก์А ํŽœ์Šค ํ•˜๋ฐฉ์— C++20 ํ‘œ์ค€ ์ •์  ๊ฒ€์ฆ ๋ช…์„ธ(static_assert) ๋ฐ ํ•˜๋“œ์›จ์–ด ๋ถ„๊ธฐ ์†์„ฑ([[unlikely]])์„ ๋ฐฐ์น˜ํ•˜์—ฌ ๋ช…๋ น์–ด ์บ์‹œ ๊ฒฝ๋กœ ์ตœ์ ํ™”์™€ ๋ฉ”๋ชจ๋ฆฌ ๋Ÿฐํƒ€์ž„ ์ง€ํ„ฐ ์ œ์–ด๋ฅผ ์œ ๋„ํ•ฉ๋‹ˆ๋‹ค.
  • pinn_brain.py (Layer 2: Autograd-Insulated JAX Core)
    • ์ถ”์  ๊ทธ๋ž˜ํ”„ ์ ˆ์—ฐ: ๊ฐ ์—ฐ์‚ฐ ๊ณ„์ธต๋ณ„ ์ดˆ์ž…์— lax.stop_gradient ๊ฒฉ๋ฆฌ๋ง‰์„ ์ ์šฉํ•˜์—ฌ, ๊ฐ€์†๊ธฐ ๋‚ด๋ถ€ ํ™œ์„ฑํ™” ํ…์„œ ๋ณด์กด์„ ์œ„ํ•œ ๊ทธ๋ ˆ๋””์–ธํŠธ ์ถ”์  ์‚ฌ์Šฌ ์ƒ์„ฑ์„ ์›์ฒœ ๋ถ„์‡„ํ•˜๊ณ  ์ •์  $O(1)$ VRAM ํ• ๋‹น ํ”„๋กœํ•„์„ ๊ฐ•์ œํ•˜๋Š” ์˜คํ† ๊ทธ๋ผ๋“œ ํ”„๋ฆฌ ์ˆ˜ํ•™ ์—”์ง„์ž…๋‹ˆ๋‹ค.
    • ๋Œ€์ˆ˜์  ๊ฐ€์ค‘์น˜ ์ž์œจ ์ •๋ ฌ: ๋ฏธ์†Œ ์†Œ์‚ฐ ๊ณ„์ˆ˜ $\sigma = 0.00003125$ ๊ธฐ๋ฐ˜์˜ ์œ ์ฒด ์ ์„ฑ ๋ธŒ๋ ˆ์ดํฌ ํ•ญ๊ณผ ํŒŒ์ดํ”„๋ผ์ธ ์ •๋ ฌ 1-Cycle FMA ์—ฐ์‚ฐ ์œ ๋„ ์ˆ˜์‹, @donate_argnums ๊ฐ€์ค‘์น˜ ๋ฒ„ํผ ๊ธฐ์ฆ ๋ฉ”์ปค๋‹ˆ์ฆ˜์„ ์œตํ•ฉํ•˜์—ฌ ๊ธฐ์ € param_w ์†Œ๋ฒ„๋ฆฐ ์–ดํ…์…˜ ๋ฉ”๋ชจ๋ฆฌ ํ’‹ํ”„๋ฆฐํŠธ ์˜์—ญ ์œ„์—์„œ ๋ฌด๋ณต์‚ฌ ์ธํ”Œ๋ ˆ์ด์Šค ๋งค๊ฐœ๋ณ€์ˆ˜ ์ž์œจ ์ •๋ ฌ์„ ์™„๊ฒฐํ•˜๋ฉฐ, ์ตœ์ ํ™” ๊ด€๋กœ ๋‹จ์—์„œ ์ž๋งค ์ธํ”„๋ผ ๋ฐฑ๋ณธ์ธ Fluidic_Network_Grid (FNG) V3 ๋ฐ [pim-hbm-bypass]์˜ ์„ค๊ณ„ ์ฒ ํ•™๊ณผ ์ƒํ˜ธ ๊ฒฐ์ฐฉ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
  • main_orchestrator.py (Layer 3: Asynchronous Infrastructure Governance)
    • ์ •์ƒ ์ƒํƒœ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ ๊ฒฉ๋ฆฌ: ํ‰์ƒ์‹œ ์—ฐ์‚ฐ ์˜ค๋ฒ„ํ—ค๋“œ ์ตœ์†Œํ™”(Strict Zero 0.0%)๋ฅผ ๋งŒ์กฑํ•˜๋Š” ํŒจ์‹œ๋ธŒ ์ด๋ฒคํŠธ ๊ตฌ๋™ํ˜• ์ œ์–ด ํ”Œ๋ ˆ์ธ(hardware_marker_signal == 0.0 ์กฐ๊ฑด ํŒจ์Šค)์„ ๊ฐ€๋™ํ•˜์—ฌ ์ŠคํŠธ๋ฆฌ๋ฐ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ ๊ฐ„์„ญ์„ ๊ฒฉ๋ฆฌ ์ฐจ๋‹จํ•˜๋Š” ๊ด€์ œ ์‚ฌ๋ นํƒ‘์ž…๋‹ˆ๋‹ค.
    • ๋น„๋™๊ธฐ ์›์ž์  ๊ฐ€๋“œ: ํ•˜๋ถ€ ๋ ˆ์ด์–ด์—์„œ ๊ณ ์žฅ ํ† ํฐ -99.0f ๊ฒฐํ•จ ์‹ ํ˜ธ๊ฐ€ ๋‹ค๋ฐœ์ ์œผ๋กœ ์ธ์ž…(Burst)๋  ๋•Œ 2D ํ† ํด๋กœ์ง€ ๋ ˆ์ง€์ŠคํŠธ๋ฆฌ(hardware_health_registry) ๋‹จ์—์„œ ์ž์› ํ• ๋‹น ๊ฒฝ์Ÿ ์ƒํƒœ(Race Condition)๋ฅผ ์™„์ „ํžˆ ์ œ์–ดํ•˜๊ธฐ ์œ„ํ•œ infrastructure_atomic_lock Mutex ๊ฐ€๋“œ๋ฅผ ์ž‘๋™์‹œํ‚ต๋‹ˆ๋‹ค.
    • ํ•ซ์Šค์™‘ ๊ฑฐ๋ฒ„๋„Œ์Šค: ์ „๋ ฅ์„ ์ฐจ๋‹จํ•œ ์ฑ„ ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„  ๋ ˆ์ด์•„์›ƒ๋งŒ ์„ ์ œ ๋ฝํ‚น ๋Œ€๊ธฐํ•˜๋Š” Layer 3 HMI ์ฝ˜์†” ํ•˜๋ฐฉ์˜ Cold Standby ๋น„์ƒ ์˜ˆ๋น„ ๋…ธ๋“œ ํ•ซ์Šค์™‘ ๋งคํŠธ๋ฆญ์Šค(active_hardware_backup_routes)๋ฅผ ์กฐ์œจํ•˜๋ฉฐ, ์ž๋งค ์ธํ”„๋ผ ๋ฐฑ๋ณธ์ธ **Fluidic_Network_Grid (FNG) V3**์˜ ๋น„๋™๊ธฐ ํ•ญ์ƒ์„ฑ ์ œ์–ด ๊ตฌ์กฐ๋ฅผ ์ƒ์†๋ฐ›์•„ ์—ฐ๋™ํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ“œ ๋ผ์ด์„ ์Šค ๋ฐ ์ž๋งค ์•„ํ‚คํ…์ฒ˜ ์ƒํ˜ธ ์ฐธ์กฐ ๊ณ ์ง€ (License & Cross-Domain Prior Art)

๋ณธ ํ”„๋กœ์ ํŠธ๋Š” Apache License 2.0์— ์˜๊ฑฐํ•˜์—ฌ ์ „ ์„ธ๊ณ„ ์˜คํ”ˆ์†Œ์Šค ์ƒํƒœ๊ณ„์™€ ์ˆ˜๋ฆฌ ๋ฌผ๋ฆฌ ํ•™๊ณ„์— ์ „๋ฉด ๋ฌด์ƒ ๋ฐฐํฌ๋ฉ๋‹ˆ๋‹ค.

๋ˆ„๊ตฌ๋‚˜ ๋ณธ ์•„ํ‚คํ…์ฒ˜์™€ ์†Œ์Šค์ฝ”๋“œ๋ฅผ ์ž์œ ๋กญ๊ฒŒ ์ˆ˜์ž…ํ•˜์—ฌ ๋ณต์ œ, ์ˆ˜์ •, ๋ฐฐํฌ ๋ฐ ์ƒ์šฉ ํ•˜๋“œ์›จ์–ด/์†Œํ”„ํŠธ์›จ์–ด ์ œํ’ˆ์— ๋‚ด์žฅํ•˜์—ฌ ํ™œ์šฉํ•˜์‹ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹ค๋งŒ, ์ƒ์šฉํ™” ๋ฐ ํŒŒ์ƒ ์ €์ž‘๋ฌผ ์ž‘์„ฑ ์‹œ ์›์ €์ž‘์ž(PJHkorea)์˜ ์ €์ž‘๊ถŒ ๊ณ ์ง€ ๋ฐ ๋ผ์ด์„ ์Šค ์˜๋ฌด ์‚ฌํ•ญ์„ ๋ช…์‹œํ•ด ์ฃผ์…”์•ผ ํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ”— ํ•˜๋“œ์›จ์–ด-์†Œํ”„ํŠธ์›จ์–ด ๊ณต๋™ ์„ค๊ณ„(Co-design) ์ž๋งค ์•„ํ‚คํ…์ฒ˜ ์—ฐ๊ณ„ ์„ ์–ธ

๋ณธ ์ €์žฅ์†Œ์— ๊ตฌํ˜„๋œ ์ „๋ฐฉ ๊ด€ํ†ต ์ œ์–ด ๋ฐ ์ž์œจ ๊ฐฑ์‹  ์‹œ์Šคํ…œ์€ ์ €์ž์˜ ์„ ํ–‰ ํ•˜์ด์—”๋“œ ์ธํ”„๋ผ ์ž์‚ฐ๋“ค๊ณผ ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„  ๋ ˆ๋ฒจ์—์„œ ๊ณ„ํ†ต ์—ฐ๊ตฌ ๊ฒฐ์ฐฉ๋œ ์ž๋งค ์•„ํ‚คํ…์ฒ˜์ด๋ฉฐ, ๋Œ€๊ทœ๋ชจ ์–ธ์–ด ๋ชจ๋ธ ์ถ”๋ก  ์„œ๋น™ ํŒŒ์ดํ”„๋ผ์ธ์— ์ตœ์ ํ™”๋œ HPC ํ‘œ์ค€ ๊ทœ๊ฒฉ์„ ๊ณต์œ ํ•ฉ๋‹ˆ๋‹ค.

  • [pim-hbm-bypass] (Apache 2.0 ์ž๋งค ์ธํ”„๋ผ): __cuda_array_interface__ v3 ๊ทœ๊ฒฉ์„ ์ด์šฉํ•œ 0ns ๋ฌผ๋ฆฌ ์ฃผ์†Œ์„  ์ œ๋กœ์นดํ”ผ ํ…์„œ ๋ฒ„์Šค ์ง๊ฒฐ ๊ตฌ์กฐ ๋ฐ lax.stop_gradient ๋ฐฉํ™”๋ฒฝ์„ ์—ญ์ด์šฉํ•œ ์—ฐ์‚ฐ ๋ณต์žก๋„ ์ •์  $O(1)$ ๋™๊ฒฐ ๊ธฐ๋ฏน์˜ ์›์ฒœ ์ˆ˜์†ก ๊ด€๋กœ ๊ทœ๊ฒฉ์„ ๊ณต์œ ํ•˜์—ฌ ์ˆœ์ˆ˜ ์ธํผ๋Ÿฐ์Šค ์‚ฌ์–‘์˜ VRAM ํ’‹ํ”„๋ฆฐํŠธ๋ฅผ ์‚ฌ์ˆ˜ํ•ฉ๋‹ˆ๋‹ค.
  • Fluidic_Network_Grid (FNG) V3 (Apache 2.0 ๋งˆ์Šคํ„ฐ ์ธํ”„๋ผ): ๊ฒฉ์ž์  ๋ฌผ๋ฆฌ ๊ด€๋กœ ํŒŒ์—ด ์‹œ ๋‚˜๋…ธ์ดˆ ๋ ˆ๋ฒจ ํ•˜๋“œ์›จ์–ด ์—ฃ์ง€ ๋‹จ์—์„œ ๋ฌด๋ถ„๊ธฐ MUX ํšŒ๋กœ๋กœ ์ฆ‰๊ฐ ํ”Œ๋Ÿฌ์‹œํ•ด ์˜ฌ๋ฆฌ๋Š” ์ ˆ๋Œ€ ์ž„๊ณ„์น˜ $1.0 \times 10^6$ (GLOBAL_THRESHOLD) ๋ฐ ๊ฒฐํ•จ ๋งˆ์ปค ํ† ํฐ $-99.0$ (FAULT_SIGNATURE) ํ‰๊ฐ€ ํšŒ๋กœ ๊ทœ๊ฒฉ์„ ๋„ค์ดํ‹ฐ๋ธŒ๋กœ ์ƒ์† ์—ฐ๋™ํ•˜๋ฉฐ, FNG V3 ๋ผ์šฐํ„ฐ๊ฐ€ ๋„์ถœํ•œ 3์ฐจ ๋ชจ๋ฉ˜ํŠธ ์™œ๋„(Skewness) ํ‰ํƒ„ํ™” ๊ฐ์‚ฐ ๊ธฐ๋ฐ˜์˜ ์ฒญ์ • Key/Value ์บ์‹œ ๋ธํƒ€ ์ŠคํŠธ๋ฆผ ์ˆ˜์†ก ๊ทœ๊ฒฉ์„ ๊ณต์œ ํ•ฉ๋‹ˆ๋‹ค.

๋ณธ ๊ณต๊ฐœ ๋ฐฐํฌ๋ฅผ ํ†ตํ•ด ์œ„ ์ˆ˜์ง ํ†ตํ•ฉ ๋ฉ”์ปค๋‹ˆ์ฆ˜๋“ค์€ ๊ณต๊ณต์˜ '๋ฐฉ์–ด์  ์„ ํ–‰๊ธฐ์ˆ  ๋“ฑ๋ก(Defensive Prior Art Registration)' ์ž๊ฒฉ์„ ์ž๋™ ํ™•๋ณดํ•ฉ๋‹ˆ๋‹ค. ๋ณธ ์ƒ์œ„ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ ˆ์ด์–ด(Apache 2.0)๋Š” ์ƒํƒœ๊ณ„ ์ „๋ฐ˜์œผ๋กœ ์ œํ•œ ์—†์ด ์ „ํŒŒ๋˜๋‚˜, ํ•˜๋ถ€ ์‹ค๋ฆฌ์ฝ˜ ๊ฒฝ๊ณ„๋ฉด์—์„œ ๋งˆ์Šคํ„ฐ ํ”„๋กœ์ ํŠธ(Fluidic_Network_Grid (FNG) V3)์˜ ์ €์ž‘๊ถŒ ๋„๋ฉ”์ธ์„ ๋ฌด๋‹จ ์‚ฌ์œ ํ™”ํ•˜์—ฌ ๋…์  ์ถœ์›ํ•˜๋ ค๋Š” ์‹œ๋„๋Š” ๋ฒ•์ ์œผ๋กœ ์›์ฒœ ์ฐจ๋‹จ ๋ฐ ๋ฌดํšจํ™”๋ฉ๋‹ˆ๋‹ค.