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PDN SPR Visualizer

Network Generation

Path Analysis

3

Animation Controls

1x

Results

Select source and target to see path analysis

PDN SPR Visualizer Help

What is PDN SPR Analysis?

Power Delivery Network (PDN) Shortest Path Resistance (SPR) analysis helps identify the lowest resistance path between instances and domains in a power delivery grid. This is crucial for understanding current flow, voltage drops, and power delivery efficiency in circuit design.

How to Use This Tool:

  1. Auto-Generated Network: The tool automatically generates a 10x10 grid with 3 domains and 7 instances
  2. Generate New Network: Click "Generate New Network" to create a fresh random layout
  3. Select Source: Choose a source instance from the dropdown or click on purple circles in the grid
  4. Select Target: Choose a target domain from the dropdown or click on colored square bumps
  5. Find Path: Click "Find Shortest Path" to see the optimal resistance path with smooth animation
  6. Multiple Paths: Use "Show All Paths" to visualize and compare multiple alternative paths (adjust count with slider)

Current Features:

  • Interactive Grid: 10x10 power delivery network with realistic resistance values
  • Domain System: 3 color-coded domains (A, B, C) with multiple bumps each
  • Independent Instances: 7 scattered instances as potential sources
  • Animated Pathfinding: Smooth particle animation showing current flow along paths
  • Real-time Analysis: Live resistance, current, and segment analysis during animation
  • Multi-Path Comparison: Visualize up to 8 different paths simultaneously
  • Dijkstra's Algorithm: Advanced pathfinding using actual grid resistance values
  • Interactive Selection: Click directly on grid elements or use dropdown menus
  • Animation Controls: Adjustable speed and resistance value display toggle

Understanding the Visualization:

  • Gray Lines: Grid network connections with varying resistance
  • Colored Squares: Domain bumps (low resistance connection points)
  • Purple Circles: Independent instances (potential sources)
  • Green Star: Selected source instance
  • Orange Diamond: Selected target domain
  • Colored Paths: Different path options with resistance values
  • Golden Particles: Current flow animation along paths