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EDToaster
toastty
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perf 3/5: parser + grid hot path — 2–7× parse, lazy scrollback (idle RSS 101→60 MB)
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Oct 22, 2026
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perf 3/5: parser + grid hot path — 2–7× parse, lazy scrollback (idle RSS 101→60 MB)
#63
EDToaster
merged 12 commits into
perf/
io
EDToaster/toastty:perf/io
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perf/
term
EDToaster/toastty:perf/term
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term: private Row cells in a Vec, clear only the written prefix
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term: allocate scrollback ring slots on demand, drop the % in Grid::slot
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term: O(1) damage marks for left-to-right printing, skip redundant mark_all
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parser: hand ground text past vte, printable ASCII in runs
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term: print printable-ASCII runs a row segment at a time
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parser: parse everyday CSI sequences without vte
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term: no table scan or allocation per non-ASCII character
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parser: find printable-ASCII runs 8 bytes at a time
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parser: read a CSI parameter's digits in one inner loop
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docs: scrollback decision note on the revised row representation
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tests: DEL in an open sequence split from a non-ASCII read aborts like one read
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Merge branch 'perf/io' into perf/term
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