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Optimize scroll speed using "circular buffer" arrangement for line numbering #212

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MightyPork opened this issue Sep 26, 2017 · 0 comments
Open

Optimize scroll speed using "circular buffer" arrangement for line numbering #212

MightyPork opened this issue Sep 26, 2017 · 0 comments
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back-end enhancement performance
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POOL

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@MightyPork
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MightyPork commented Sep 26, 2017 •
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AAA ^              ... v   real idx 0, virtual idx r
BBB |              BBB ^               virtual idx 0 
CCC |  --scroll->  CCC | 
DDD |      up      DDD |  
EEE v              EEE |   real idx r, virtual idx r-1

this avoids copying lines and fiddling with utf8 cache for every single character during scroll
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back-end enhancement performance
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