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Kimi K3 On-Silicon ASIC EDA Suite

An Electronic Design Automation (EDA) suite and architectural co-design workbench for single-chip monolithic 3D ASICs that integrate all pretrained Kimi K3 transformer weights directly on silicon. Designed for zero-DRAM edge robotics, real-time automated optical inspection (AOI), and autonomous industrial systems requiring hard determinism with zero external memory bus contention.


Architecture Overview

Traditional Large Language Model (LLM) inference suffers from the "memory wall": off-chip DRAM / HBM access consumes 10–100× more energy than compute and introduces periodic refresh latency spikes ($t_{\text{REFI}}$ stalls).

The Kimi K3 On-Silicon ASIC EDA Suite models a monolithic 3D semiconductor architecture that stacks non-volatile memory (ReRAM, FeRAM, MRAM, PCM) directly atop a 3nm GAAFET logic tier using Cu-Cu direct hybrid bonding (<1 µm pitch). By holding 100% of Kimi K3's pretrained weights on-chip:

  • Zero DRAM Latency Spikes: Eliminates DDR/HBM bus arbitration, page miss overheads, and thermal throttling of external memory controllers.
  • Sub-Microsecond Determinism: Guarantees worst-case execution time (WCET) jitter $&lt; 0.12\ \mu\text{s}$ for safety-critical closed-loop industrial controls.
  • Massive Energy Reduction: Replaces 20 pJ/bit external bus transitions with $&lt; 0.5$ pJ/bit vertical Cu-Cu via interconnects.

Core Modules & Capabilities

1. ASIC Floorplan & Monolithic 3D Die Editor

  • Interactive Macro Placement: Arrange compute cores, systolic attention engines, 3D memory tiles, NoC crossbars, and PCIe/CXL PHYs.
  • Reticle Mask Limits: Real-time checking against photolithography stepper reticle boundaries ($\le 858\text{ mm}^2$).
  • 3D Memory Stacking: Configurable memory tiers (16 to 128 vertical tiers) with density scaling for FeRAM, ReRAM, MRAM, and 3D NAND.
  • Advanced Packaging Options: Toggle Backside Power Delivery Network (BSPDN / PowerVia) and sub-micron Cu-Cu hybrid bonding pitches.

2. Kimi K3 Weight & Architecture Optimizer

  • Model Variants: Preconfigured for Kimi K3 Edge MoE (8B active / 16 experts), Vision-Language (14B), and Compact Real-Time (4B).
  • Precision Scaling: Evaluate FP8, INT4, Ternary 1.58-bit ($W \in {-1, 0, 1}$), and sparse 2-bit quantization for expert parameters.
  • Multi-Head Latent Attention (MLA): Models KV cache compression using low-rank latent projections, slashing on-chip SRAM requirements by up to 80%.

3. 3D Thermal & Junction Simulator ($T_j$)

  • 8×8 Finite-Element Thermal Grid: Calculates localized power density ($W/\text{cm}^2$) and thermal gradient dissipation across monolithic stacked tiers.
  • Cooling Profiles: Simulate passive convection, 100 CFM forced air, microchannel liquid cold plates, and vapor-chamber heat spreaders.
  • Thermal Throttling Protection: Live warning when peak junction temperature exceeds $105^\circ\text{C}$ safe limits.

4. PCIe Gen 5 & CXL 3.0 Interconnect Analyzer

  • SerDes Configuration: Select lane widths from x4 to x16 at 32 GT/s PAM-4 signaling (delivering up to 128 GB/s bidirectional throughput).
  • Latency Breakdown: Sub-microsecond protocol analysis across SerDes PHY, CXL link layers, DMA engines, and NoC crossbars.
  • Protocol Modes: Supports both CXL.io (traditional control) and CXL.mem (direct host-to-device memory semantic streaming).

5. Autonomous Industrial Edge & Determinism Signoff

  • Hard Real-Time Latency Verification: Benchmarks inference against industrial control deadlines (e.g., 2 kHz quadruped robotics, 10 kHz magnetic levitation, 500 Hz AOI sorting).
  • Reliability Standards: AEC-Q100 automotive grade ratings (Grade 1 to 3: $-40^\circ\text{C}$ to $+125^\circ\text{C}$) and IEC 61508 SIL-3 compliance.
  • Fault-Tolerant Silicon: Dual-Core Lockstep (DCLS) pipeline comparators, background SECDED ECC scrubbers, and hardware Root of Trust (RoT) with Physical Unclonable Functions (PUF).

6. Signoff Verification, RTL Exporter & GDSII Streamout

  • Comprehensive Signoff Checklist: Single-view verification for physical DRC, weight fit, thermal safety margins, power ceilings, and STA timing closure.
  • SystemVerilog RTL Exporter: Generates synthesizable top-level RTL (asic_kimi_k3_top.v) with CXL 3.0 controller, systolic MLA GEMM arrays, and 3D memory tier interfaces.
  • Floorplan DEF 5.8 Exporter: Produces physical layout manifests (kimi_k3_floorplan.def) with component coordinates and pin placements.
  • GDSII / OASIS Streamout Simulator: Simulates full layer stack mapping (FEOL, MOL, BEOL, Cu-Cu pads, 3D memory tiers, BSPDN), Calibre nmDRC checks, and tapeout checksum generation (.gds.manifest).

Technical Specifications

Parameter Default Value Configurable Range
Logic Process Node 3nm GAAFET (Nanosheet) 2nm, 3nm, 5nm FinFET
Die Dimensions 24.0 mm × 24.0 mm (576 mm²) 12.0 mm to 30.0 mm
Reticle Boundary Limit 858 mm² (Photolithography Mask) 858 mm²
Monolithic Memory Tiers 64 vertical layers 16 to 128 layers
Memory Technology 3D ReRAM (Crossbar array) FeRAM, ReRAM, MRAM, PCM, NAND
Cu-Cu Hybrid Bond Pitch 0.85 µm 0.50 µm to 2.00 µm
Host Interconnect PCIe Gen 5 / CXL 3.0 x16 x4, x8, x16 (32 GT/s)
Max Clock Frequency 1.40 GHz 0.80 GHz to 2.20 GHz
Max Safe Junction Temp ($T_j$) 105°C 85°C to 125°C

Getting Started

Prerequisites

  • Node.js (v18 or higher recommended)
  • npm or bun

Installation

# Clone or open the repository
git clone https://github.com/sanjibnarzary/kimi-k3-asic.git
cd kimi-k3-asic

# Install dependencies
npm install

Running Locally

# Start the Vite development server (bound to port 3000)
npm run dev

Open http://localhost:3000 in your browser to access the EDA suite.

Building for Production

# Compile and package production bundle
npm run build

# Preview production build
npm run preview

Type Checking & Linting

# Run TypeScript compilation checks
npm run lint

Project Structure

├── public/                     # Static assets and favicon
├── src/
│   ├── components/
│   │   ├── FloorplanViewer.tsx         # 2D/3D silicon die layout & macro placement
│   │   ├── GdsiiStreamView.tsx         # GDSII/OASIS layout stream simulation & console
│   │   ├── Header.tsx                  # Global navbar, model presets, and metrics banner
│   │   ├── IndustrialEdgeProfile.tsx   # Hard determinism, SIL-3 safety & AEC-Q100 checks
│   │   ├── InterconnectAnalyzer.tsx    # PCIe Gen 5 & CXL 3.0 PHY latency analysis
│   │   ├── KimiWeightOptimizer.tsx     # Quantization, MLA KV cache & tier capacity
│   │   ├── RTLSignoffModal.tsx         # SystemVerilog, DEF 5.8 & GDSII export modal
│   │   └── ThermalSimulator.tsx        # Finite-element 3D junction temperature grid
│   ├── types/
│   │   └── eda.ts                      # TypeScript models for EDA configuration & metrics
│   ├── utils/
│   │   └── edaCalculations.ts          # Physical formulas, latency models, and Verilog generator
│   ├── App.tsx                         # Main container and EDA state coordinator
│   ├── index.css                       # Tailwind CSS styling and theme configuration
│   └── main.tsx                        # React application entry point
├── metadata.json               # AI Studio project configuration & permissions
├── package.json                # Project dependencies and npm scripts
├── tsconfig.json               # TypeScript configuration
└── vite.config.ts              # Vite bundler configuration

License

This project is open-source under the MIT License.

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