Benchmark

Same emulator, sorted by speedup. hs = host-side mirror file or one warm-socket round-trip; adb = fresh invocation per call. Reproduce with hs bench -n 50 (warm-socket loop in the CLI).

Command	hs	adb	Speedup
hs show / hs info (push-mirror local read)	0.21 µs	100+ ms via dumpsys	~10 000×
hs see x.jpg vs adb exec-out screencap -p	7.7 ms	705 ms	92×
hs info (12-field snapshot, file read)	2.5 ms	200+ ms via N getprops	80×+
hs show top vs dumpsys window \| grep	2.0 ms	86 ms	43×
hs wm-info vs wm size	2.1 ms	70 ms	34×
hs prop KEY vs adb shell getprop	1.6 ms	46 ms	29×
hs settings get (direct provider)	4.5 ms	69 ms	15×
hs install --reinstall (skips /tmp staging)	2.4 s	3.0 s	1.2×
hs do shell, 100 dump_active calls	0.91 s	1.65 s as 100 invocations	1.8×