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| Metric | Cloudflare Workers | Metal | ROCm |
|---|---|---|---|
| Score | B+75 | B74 | C56 |
| Type | Edge | ||
| Execution | jit | aot | aot |
| Interface | platform | sdk | sdk |
| Cold Start | <1ms | 50ms | 200ms |
| Memory | 128MB | 100MB | 600MB |
| Startup | <1ms | 20ms | 100ms |
| Isolation | process | hardware | hardware |
| Maturity | production | production | stable |
| Languages | JavaScript, TypeScript, Rust, C, C++ | Swift, Objective-C, C++ | C, C++, Python |
| License | Proprietary | Proprietary | MIT |
| Links |