Cpu optimizations#5206

Draft

bkerler wants to merge 3 commits intoprusa3d:masterfrom

bkerler:cpu_optimizations

Commits on Mar 26, 2026

precise_stepping: drop redundant previous_step_time double field
bkerler
committed
precise_stepping: unroll step event index insertion sort for 4 axes
bkerler
committed
precise_stepping: maintain current_flags incrementally per axis
bkerler
committed