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Wasmer

Wasmer is a organization dedicated to the advancement and development of WebAssembly through open-source software.

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Embedding wasmer-compiled native module in Rust

Hello! I'm new to WASM. I tried out wasmer v1.0.0-alpha3, native mode with llvm backend and it looks great! I've run bzip2, mcf, libquantum, and astar from SPEC2006 integer benchmarks and it shows only 10%, -30%, 7%, 9% overhead compared to the native executable compiled with…

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Non-constant CPU instructions generated for wasm code

I was told recently that atomic Wasm instructions translated to a non-constant number of CPU instructions. Is this true?

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WASI Import not found

I'm trying to instatiate a WASM module (WAT code written by hand) and Wasmer complains that the WASI imports I declared in the WASM odule cannot be found: I have wasmer 0.16.2 installed and wasienv too. I'm instantiating the module through the ruby-wasmer extension but I don't…

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Running an emscripten .wasm

Hi, what are the steps, special flags, to be able to run an emscripten wasm file in Wasmer? When I try using the defaults I get Error: Can't instantiate module: LinkError([ImportNotFound { namespace: "wasi_unstable", name: "fd_write" }, ImportNotFound { namespace: "env", name:…

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Go-ext-wasm UnableToCreateMemory error

Hi, We currently encounter the "link error: unable to create memory" previously described here: https://github.com/wasmerio/go-ext-wasm/issues/82 …

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Running wasmer on ios

Forgive me for not trying to run wasmer on ios and asking here instead. I could not find an example to run wasmer inside ios app. Is it possible? Or is below scenario possible: • Integrate wasmer inside Rust code …

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Insert functions into Instance after instantiation

Hey people. I have a use case where I need to provide functions to the Wasmer Instance after the WASM module has been loaded. I'm willing to work on this myself, since it doesn't look like that's supported yet. I just wanted to see if I'm looking at the right stuff to start…

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RuntimeError cause internal error

Suppose I'm doing a call to some external function and it returns a RuntimeError. Wasmer version is 0.16.2. My goal is to identify whether the error is some internal system error or just a regular Wasm Trap. Is there any way to differentiate it? Thanks!

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go-ext-wasmer and assembly-script example

Hello I am trying to integrate the two simple examples of go-ext-wasmer from here: https://github.com/wasmerio/go-ext-wasm and the basic assemblyscript tutorial. I followed the guidance here:…

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Wasmer working as a K8s runtime

It's a natural fit, right? Is this on Wasmer roadmap, or any other project working on this? Likely, there should be a shim to containerd. BTW, since Envoy is more and more popular, how wasmer can work with Envoy+K8s? Is that under consideration of Wasmer development?

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