perf: cut terminal latency (interactive echo 16.4ms -> ~2ms, bulk queue wait ~5x) - #376

Merged

kshivang merged 10 commits into

perf/terminal-latency

Aug 27, 2026

Commits on Aug 27, 2026

perf: add a glass-to-pixel latency probe
kshivang
committed
07f053a
perf: cut per-cell and per-word work in the text pass, behind a flag
kshivang
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736b646
docs: document the fast-text flag and the A/B ladder in the latency harness
kshivang
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50d8eeb
perf: split the probe at the redraw trigger, and record the measured baseline
kshivang
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4b2ff5d
perf: remove the redraw debounce and default performanceMode to latency
kshivang
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e8e04af
perf: make the text fast path unconditional, verified by pixel comparison
kshivang
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195ed04
perf: stop the debug collector deep-copying the buffer 10x/sec when nobody is watching
kshivang
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610538b
perf: fix the bulk-output PTY path (queue wait ~2.5x lower)
kshivang
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20898ba
perf: skip the column walk on lines that need no visual mapping
kshivang
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07e12cd
fix: the debug panel gate read the collection flag, not the panel flag
kshivang
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ef60bb9