perf: try a purely compiled moffat init

[beckermr]

This PR tries a moffat init that is compiled directly.

[codspeed-hq]

CodSpeed Performance Report

Merging #140 will degrade performances by 62.87%

_{Comparing opt-moffat-init (c604a08) with main (7a2fffc)}

Summary

⚡ 1 improvements
❌ 1 regressions
✅ 27 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	test_benchmark_moffat_init[compile]	186 ms	501 ms	-62.87%
⚡	test_benchmark_moffat_init[run]	725.3 µs	408.3 µs	+77.66%