[samsonasik]

Without progress (--no-progress, --report=json|github, PHPUnit extension with progress off)

Files / workers		Loop passes	usleep(5000)	fread() calls	Wall time	Coordinator CPU
40 / 2	main	33	31	64	194.0 ms	1.9 ms
	this PR	2	0	2	191.2 ms	1.6 ms
2000 / 12	main	169	160	1340	1066.8 ms	45.0 ms
	this PR	12	0	12	1069.0 ms	40.2 ms

With progress: unchanged, as the same 5 ms poll still batches the workers' progress lines.

Files / workers		Loop passes	usleep(5000)	fread() calls	Wall time	Coordinator CPU
40 / 2	main	24	13	46	197.2 ms	1.8 ms
	this PR	24	13	46	196.7 ms	1.8 ms
2000 / 12	main	228	134	1972	1075.0 ms	49.7 ms
	this PR	226	134	1972	1060.1 ms	47.8 ms

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!