$ rye run python xor_bytes.py
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list: Mean +- std dev: 7.59 us +- 0.12 us
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generator: Mean +- std dev: 10.1 us +- 0.3 us
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int: Mean +- std dev: 685 ns +- 7 ns

$ rye run python ws_mask_bench.py
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_websocket_mask_python: Mean +- std dev: 6.35 us +- 0.07 us
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tornado.speedups: Mean +- std dev: 63.1 ns +- 0.6 ns
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websocket_mask_int: Mean +- std dev: 581 ns +- 6 ns