Introduce _compat module and add benchmarking infrastructure
#8
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This pull request includes the following changes:
Introduce
_compatmodule:A unified compatibility layer is added for bitwise operations. This detects and uses native bitwise support or falls back to custom implementations, enhancing maintainability, performance, and cross-version compatibility for
bit16,bit32, andbit64modules.Refactor bitwise modules:
The
bit16,bit32, andbit64modules are refactored to leverage the_compatmodule. Operations such as shifts, byte conversions, and others are now unified under a central compatibility logic.Add benchmarking infrastructure:
bitn.utils.benchmarkmodule withbenchmark_op()utility functions.benchmark()functions tobit16,bit32, andbit64.run_benchmarks.shscript to execute benchmarks withmake benchandmake bench-<module>targets.README.mdandCLAUDE.md.