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| Metric | Bun | V8 | gVisor |
|---|---|---|---|
| Score | B+76 | B74 | B72 |
| Type | Language | Language | MicroVM |
| Execution | jit | jit | hybrid |
| Interface | cli | embedded | cli |
| Cold Start | 3ms | 5ms | 50ms |
| Memory | 25MB | 30MB | 20MB |
| Startup | 1ms | 2ms | 30ms |
| Isolation | process | process | microvm |
| Maturity | stable | production | stable |
| Languages | JavaScript, TypeScript, JSX, TSX | JavaScript, TypeScript, WebAssembly | Any |
| License | MIT | BSD-3-Clause | Apache-2.0 |
| Links |