Performance
| Operation | magmalake | Reference |
|---|---|---|
| snappy decompress pure Mojo, 64 MiB | 3.15 GB/s compressible, 31.8 GB/s incompressible | the incompressible path is essentially a memcpy and swings like one — 17.5 GB/s at p90 |
scroll the table sideways →
Apple M4 — ten cores, four of them performance — macOS, stable Mojo 1.0.0, with nothing else building on the machine. Measured on 5 September 2026; the Iceberg rows on 15 September, the boundary rows on 19 September. How these were measured.
Every merge also runs its benchmarks on a GitHub runner: the benchmark history. Read it for trends; a shared runner is slower and noisier than the table.