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CryZe | 1 month ago

It depends. If you are compiling a high level GC language to WasmGC then there's really close to no reason why it would be larger than JS.

discuss

order

gf000|1 month ago

That is, if the source language's GC model is compatible with Wasm's.

WorldMaker|1 month ago

WASM's current GC model is mostly about sharing large byte buffers. It's on about the order of OS-level memory page management. Mostly it is getting used to share memory surfaces to JSON serialization/deserialization without copying that memory across the WASM to JS boundary anymore.

It will be a while before WASM GC will look close to any language's GC.