Scale with Confidence
Type check over 1.85 million lines of code per second.ⓘTested using Meta infrastructure (166 cores, 228 GB RAM)
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Performance Comparison
Type checking the
codebase from scratch.ⓘTested using Macbook
(10 cores: 8 performance + 2 efficiency cores, 32 GB RAM)
PyreflyⓘCommand: "pyrefly check"
Pyrefly uses as many threads as possible
PyrightⓘCommand: "pyright --threads=8"
8 threads yielded the best performance after testing multiple settings
MyPyⓘCommand: "dmypy run"