Matthew LeVan matthew-levan

## loom-migrations.md

      
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                matthew-levan
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              August 31, 2023 19:58
            
              
                Loom Migrations
              
          
    Loom Migration Refactor

I am undertaking a refactor of the pointer compression loom migration.
Refactoring this migration (the only "loom migration" we currently have in
the repository) will also serve as scaffolding for future loom migrations.
Motivation

Currently, pointer compression is implemented as a feature which depends
on a "virtual bits" flag, u3C.vits_w. This flag is set at runtime based

  
## epoch.md

      
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              April 17, 2023 09:19
            
              
                Epoch System Design
              
          
    The epoch system is a new pier format primarily geared to ameliorate
jet mismatches during event log replays.
Existing Format

Urbit piers are currently formatted as such:
zod/.urb
├── bhk            # backup snapshot
│   ├── north.bin