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| Metric | Bun | gVisor | Google Cloud Functions |
|---|---|---|---|
| Score | B+76 | B72 | C59 |
| Type | Language | MicroVM | Serverless |
| Execution | jit | hybrid | hybrid |
| Interface | cli | cli | platform |
| Cold Start | 3ms | 50ms | 300ms |
| Memory | 25MB | 20MB | 128MB |
| Startup | 1ms | 30ms | 50ms |
| Isolation | process | microvm | container |
| Maturity | stable | stable | production |
| Languages | JavaScript, TypeScript, JSX, TSX | Any | Python, JavaScript, TypeScript, Go, Java, Ruby, PHP |
| License | MIT | Apache-2.0 | Proprietary |
| Links |