wasmer/docs/feature_matrix.md

Feature Table

Compiler Backend

	Singlepass	Cranelift	LLVM
Caching	⬜	✅	✅
Emscripten	✅	✅	✅
Metering	✅	⬜	✅
Multi-value return	⬜	⬜	⬜
OSR	🔄	❓	❓
SIMD	⬜	⬜	✅
WASI	✅	✅	✅
WASMER_BACKTRACE	✅	⬜	⬜

Operating System

	GNU Linux	Mac OSX	Windows NT
Cranelift Backend	✅	✅	✅
LLVM Backend	✅	✅	✅
Singlepass Backend	✅	✅	#347
WASI	✅	✅	✅*

• poll_fd is not fully implemented for Windows yet

Language integration

TODO: define a set of features that are relevant and mark them here

Current ideas:

• Callbacks
• Metering
• Caching

TODO: expand this table, it's focused on new features that we haven't implemented yet and doesn't list all language integrations

	Rust	C / C++	Go	Python	Ruby
Terminate in host call	✅	⬜	⬜	⬜	⬜
WASI	✅	✅	🔄	⬜	⬜
WASI FS API	✅	⬜	⬜	⬜	⬜