garbage-collector-implementer

Implementing a mark-sweep garbage collector requires setting up heap allocation, defining object layouts, and tracing from root pointers to identify reachable memory before reclaiming unmarked objects. This Skill provides implementations for these core tracing collection algorithms.

Mark-compact algorithms trace reachable objects and compact them in place to reduce fragmentation, while copying algorithms move live objects to a new memory region, leaving dead memory behind. Both tracing collector strategies are supported for runtime memory management.

Managing root pointers requires tracking stack and global variables that reference heap objects so the tracing collector can accurately determine reachability. This Skill handles root set management to ensure correct memory reclamation without freeing active objects.

Yes, you can incorporate generational and incremental collection techniques in your interpreter to optimize memory management performance. These optimizations reduce pause times by focusing collection on younger object generations and interleaving collection work with program execution.

Write barriers are required for efficient and correct memory reclamation when implementing generational or incremental garbage collection. They track inter-generational or incremental pointer updates to ensure the tracing collector maintains accurate reachability information.

Handling weak references in a custom language runtime requires special tracking during the tracing phase so they do not prevent object reclamation but can still be cleared when their referents are collected. This Skill includes support for managing weak references alongside standard root handling.