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Is that wasmtime in interpreter mode? I didn't see a rv32 backend to wasmtime (in cranelift) or did I not look in the right place.

What are the min memory requirements for wasmtime/cranelift?

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There’s now an interpreter in wasmtime called Pulley. It’s an optimizing interpreter based on Cranelift, which generates interpreter opcodes which are more efficient to traverse than directly interpreting the Wasm binary.

I have run wasmtime on the esp32 microcontrollers with plenty of ram to spare, but I don’t have a measurement handy.

That is amazing news! Thank you.

https://github.com/bytecodealliance/wasmtime/blob/main/pulle...

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