Source library
Memory region allocator — implementation plan
docs/ps1/memory-region-allocator-plan.md
This is the website shelf page for docs/ps1/memory-region-allocator-plan.md.
It exists because the project has hundreds of Markdown files and the website
should not pretend the interesting work only happened in the polished essays.
Why this file matters
Active PS1 reference. This is active engineering documentation for the PS1 port. It is close enough to the code that stale claims here become real bugs.
re-review of v4). See:
File facts
| Field | Value |
|---|---|
| Source path | docs/ps1/memory-region-allocator-plan.md |
| Lines | 1239 |
| Approx. words | 7739 |
| Code fences | 15 |
Outline
- Memory region allocator — implementation plan
- What changed in v8
- What changed in v7
- What changed in v6
- What changed in v5
- What changed in v4
- Core invariant
- Context
- Goals / non-goals
- Architectural decision: regions vs. per-type pools
- Concurrency model
- Memory budget — verified from artifacts
- PSX user-RAM math (from build-ps1/jcreborn.map)
- Region splits (verified against sceneanalysisoutput2026-03-21.json)