Experiment with reduced allocations in MaskValues iterators #6462

Performance Gate Passed

⚡ 37 improved benchmarks
✅ 1098 untouched benchmarks
⏩ 1268 skipped benchmarks¹

	Mode	Benchmark	`BASE`	`HEAD`	Efficiency
⚡	Simulation	`filter_selectivity[u8, 0.3]`	3.7 µs	2.1 µs	+71.3%
⚡	Simulation	`filter_selectivity[u8, 0.5]`	3.8 µs	2.2 µs	+68.34%
⚡	Simulation	`filter_selectivity[u8, 0.7]`	3.8 µs	2.4 µs	+62.19%
⚡	Simulation	`filter_selectivity[u8, 0.4]`	3.7 µs	2.2 µs	+71.68%
⚡	Simulation	`filter_selectivity[u8, 0.99]`	4 µs	2.5 µs	+61.35%
⚡	Simulation	`filter_selectivity[u8, 0.8]`	3.9 µs	2.4 µs	+63.72%
⚡	Simulation	`filter_selectivity[LargeElement, 0.01]`	3.5 µs	2.1 µs	+70.4%
⚡	Simulation	`filter_selectivity[u8, 0.6]`	3.8 µs	2.3 µs	+66.45%
⚡	Simulation	`filter_selectivity[LargeElement, 0.1]`	5.2 µs	3.6 µs	+42.34%
⚡	Simulation	`filter_selectivity[u8, 0.2]`	3.5 µs	2 µs	+79.61%
⚡	Simulation	`filter_selectivity[LargeElement, 0.3]`	16 µs	14.5 µs	+10.46%
⚡	Simulation	`filter_selectivity[LargeElement, 0.2]`	6.8 µs	5.3 µs	+27.76%
⚡	Simulation	`filter_selectivity[u8, 0.9]`	4 µs	2.5 µs	+61.03%
⚡	Simulation	`filter_selectivity[u32, 0.01]`	3.3 µs	1.8 µs	+84.71%
⚡	Simulation	`filter_selectivity[u32, 0.1]`	3.7 µs	2.2 µs	+65.88%
⚡	Simulation	`filter_selectivity[u32, 0.3]`	4.1 µs	2.7 µs	+55.51%
⚡	Simulation	`filter_selectivity[u32, 0.6]`	4.7 µs	3.3 µs	+45.22%
⚡	Simulation	`filter_selectivity[u32, 0.2]`	3.9 µs	2.4 µs	+60.54%
⚡	Simulation	`filter_selectivity[u32, 0.5]`	4.5 µs	3 µs	+49.47%
⚡	Simulation	`filter_selectivity[u32, 0.4]`	4.3 µs	2.8 µs	+51.77%
...	...	...	...	...	...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.

_{Comparing adamg/mask-no-alloc (ecd9f19) with develop (4c997c9)}

1268 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩