wasmer/docs/feature_matrix.md

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# Feature Table
## Compiler Backend
|   | Singlepass | Cranelift | LLVM |
| - | :-: | :-: | :-: |
| Caching | ⬜ | ✅ | ✅ |
| Emscripten | ✅ | ✅ | ✅ |
| Metering | ✅ | ⬜ | ✅ |
| Multi-value return | ⬜ | ⬜ | ⬜ |
| OSR | 🔄 | ❓ | ❓ |
| SIMD | ⬜ | ⬜ | ✅ |
| WASI | ✅ | ✅ | ✅ |
| WASMER_BACKTRACE | ✅ | ⬜ | ⬜ |
## 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 | ✅ | ⬜ | ⬜ | ⬜ | ⬜ |