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| Metric | Wasmer | Metal | Google Cloud Functions |
|---|---|---|---|
| Score | A-83 | B74 | C59 |
| Type | WebAssembly | Serverless | |
| Execution | hybrid | aot | hybrid |
| Interface | cli | sdk | platform |
| Cold Start | 2ms | 50ms | 300ms |
| Memory | 8MB | 100MB | 128MB |
| Startup | 1ms | 20ms | 50ms |
| Isolation | process | hardware | container |
| Maturity | stable | production | production |
| Languages | Rust, C, C++, Go, Python, Ruby, PHP | Swift, Objective-C, C++ | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | MIT | Proprietary | Proprietary |
| Links |