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| Metric | Cloudflare Workers | Python (CPython) | AWS Lambda | Vulkan | ROCm |
|---|---|---|---|---|---|
| Score | B+75 | B71 | B-65 | C+64 | C56 |
| Type | Edge | Language | Serverless | ||
| Execution | jit | interpreted | hybrid | aot | aot |
| Interface | platform | cli | platform | sdk | sdk |
| Cold Start | <1ms | 50ms | 200ms | 100ms | 200ms |
| Memory | 128MB | 15MB | 128MB | 200MB | 600MB |
| Startup | <1ms | 10ms | 100ms | 30ms | 100ms |
| Isolation | process | process | microvm | hardware | hardware |
| Maturity | production | production | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Python | JavaScript, TypeScript, Python, Java, Go, Ruby, .NET, Rust | C, C++ | C, C++, Python |
| License | Proprietary | Other | Proprietary | Apache-2.0 | MIT |
| Links |