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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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# General
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# runtime
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# wapm-cli
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Select Compiler Backend From Golang

I am using the Golang extension and I would like to be able to select a different compiler backend for my application. It appears that this is not exposed in the Golang API. Following the trail back to the C API I found that it is also not exposed there. I am interested in…

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Carefully Limit execution of WASM runtime

I am building an application in Golang that will run external WASM code in a smart contract environment. I need to be able to deterministically limit the execution of WASM code within my application. I do not see an obvious way to do this with the existing Golang library. Are…

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Trying to use wasmer from using Java JNI

I've compiled a Rust dynamic library that uses Wasmer and I'm trying to call into it from the JVM using JNI. After the 2nd call, the JVM exits with error code 134. With JNI logging enabled, Java also complains about signals being remapped. I think this is due to the way…

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Accessing browser API from wasi/wasm?

Is it possible to make a http request from my C/Go code that will work in the compiled module (wasi or wasm) executed in a browser or in a system via wamp?

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The latest version of emscripten isn't supported

I noticed that wasm moudles compiled by the latest version of emscipten do not work in wasmer. The runtime is missing some wasi functions:

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Share memory region between wasm instances

Is there any possibility to "map" the same physical memory area to several wasm instances? My idea is to make "communication" between wasm instances through this shared memory.

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Release context resources

AFAIK wasmer doesn't allow terminating an executing wasm function call. Assuming I kill the thread would it be possible to release the resources allocated by wasmer context?

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wasmer in multithreaded environment

Is it possible to make calls to wasm code running in wasmer from multiple threads?

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Wasmer compiler backends and performance target?

Hi everyone, (I hope this is also an appropriate forum for Wasmer development questions.) What's the plan with Wasmer's different compiler backends? Are you guys planning tiered compilation, for example, to combine them? Is the deployment model in Wasmer just-in-time or…

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"Gas" like concept?

Hello! Does wasmer include any features (like Life) which allow the counting of instructions and/or memory usage?

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