perf[mask]: check AllTrue/AllFalse in eq

[joseph-isaacs]

If two Mask::AllTrue or AllFalse are passed we don't need a bit buffer to check equality

[codspeed-hq]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

⚡ 5 improved benchmarks
❌ 3 regressed benchmarks
✅ 1524 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	chunked_bool_canonical_into[(1000, 10)]	20.6 µs	35.6 µs	-42.13%
❌	Simulation	chunked_varbinview_canonical_into[(1000, 10)]	162.1 µs	198.2 µs	-18.21%
❌	Simulation	chunked_varbinview_into_canonical[(1000, 10)]	177.2 µs	213.1 µs	-16.84%
⚡	Simulation	bitwise_not_vortex_buffer_mut[128]	244.4 ns	215.3 ns	+13.55%
⚡	Simulation	encode_varbin[(1000, 8)]	160.8 µs	143.8 µs	+11.78%
⚡	Simulation	encode_varbin[(1000, 4)]	160 µs	143.2 µs	+11.78%
⚡	Simulation	encode_varbin[(1000, 32)]	165.4 µs	148.8 µs	+11.13%
⚡	Simulation	bitwise_not_vortex_buffer_mut[1024]	304.7 ns	275.6 ns	+10.58%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing ji/eq-mask-fast (77659f0) with develop (1082a5d)}