Performance Benchmarks¶
Sharpy compiles to .NET IL via C#, delivering near-native performance while keeping Pythonic syntax. These benchmarks compare equivalent programs across three runtimes.
Latest Results¶
See benchmarks/cross-language/results/latest.md for execution times, compilation times (cold/warm/server), and Spy/Py and Spy/C# ratios. Updated weekly by CI.
Full history (17 weekly data points): history.json.
Performance Trend¶
Methodology¶
| Benchmark | What it measures |
|---|---|
| fibonacci | Recursive + iterative compute (function call overhead) |
| sorting | Quicksort with comprehensions (allocation, recursion) |
| string_ops | Concatenation, case conversion, splitting (GC pressure) |
| list_comprehensions | Filtered + nested comprehensions (collection construction) |
| matrix_multiply | Nested loops, array indexing (tight numeric loops) |
Each program is semantically equivalent across all three languages. The C# version represents
idiomatic hand-written code (not hyper-optimized). Benchmarks run weekly on ubuntu-latest via GitHub Actions.
Spy/Py ratio — values below 1.0 mean Sharpy is faster than CPython. Spy/C# ratio — values near 1.0 mean Sharpy has minimal overhead vs raw C#.