Data Structures · Memory Management

Graph Theory: Flat Buffer

A memory-consistent graph implementation with zero object duplication.

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Overview

This project explores graph theory through the lens of memory efficiency. The flat buffer architecture ensures a consistent, predictable memory footprint — no object duplication, only controlled growth, reduction, or deletion of nodes and edges.

Design Goals

  • Flat contiguous buffer — no pointer-chasing heap fragmentation
  • Strict no-duplication contract for all graph objects
  • Deterministic add / grow / shrink / delete lifecycle
  • Suitable for use in performance-sensitive or embedded contexts

Tech Stack

C / C++ Graph Theory Memory Layouts Data Structures

Challenges & Learnings

Designing a flat buffer that still supports dynamic graph mutations required rethinking typical pointer-based graph representations. The key insight was using index-based references within the buffer rather than raw pointers, enabling safe resizing without invalidating existing relationships.

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