Andy Wingo • 11/13/2025

the last couple years in v8's garbage collector

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This technical article provides a detailed review of the V8 garbage collector's evolution over the past few years. It analyzes 1600 commits, highlighting three major areas: improving memory safety via the sandbox (20% of effort), the Oilpan memory management project (40%), and preparation for multiple JavaScript/WebAssembly mutator threads (20%). The author also discusses side efforts like heuristics tuning and the implementation of hardware memory protection for the sandbox.

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#memory management #v8 #memory safety
the last couple years in v8's garbage collector

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