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| Metric | V8 | gVisor | Python (CPython) | Deno |
|---|---|---|---|---|
| Score | B74 | B72 | B71 | C+64 |
| Type | Language | MicroVM | Language | Language |
| Execution | jit | hybrid | interpreted | jit |
| Interface | embedded | cli | cli | cli |
| Cold Start | 5ms | 50ms | 50ms | 20ms |
| Memory | 30MB | 20MB | 15MB | 35MB |
| Startup | 2ms | 30ms | 10ms | 15ms |
| Isolation | process | microvm | process | process |
| Maturity | production | stable | production | stable |
| Languages | JavaScript, TypeScript, WebAssembly | Any | Python | JavaScript, TypeScript, WebAssembly |
| License | BSD-3-Clause | Apache-2.0 | Other | MIT |
| Links |