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4 Commits

Author SHA1 Message Date
greatroar
49e32f3f8a ui/termstatus: Optimize Truncate 
x/text/width.LookupRune has to re-encode its argument as UTF-8,
while LookupString operates on the UTF-8 directly.
The uint casts get rid of a bounds check.

Benchmark results, with b.ResetTimer introduced first:

name               old time/op  new time/op  delta
TruncateASCII-8    69.7ns ± 1%  55.2ns ± 1%  -20.90%  (p=0.000 n=20+18)
TruncateUnicode-8   350ns ± 1%   171ns ± 1%  -51.05%  (p=0.000 n=20+19)
 2023-04-14 11:13:39 +02:00
greatroar
5aaa3e93c1 internal/ui/termstatus: Optimize and publish Truncate 
name               old time/op  new time/op  delta
TruncateASCII-8     347ns ± 1%    69ns ± 1%  -80.02%  (p=0.000 n=9+10)
TruncateUnicode-8   447ns ± 3%   348ns ± 1%  -22.04%  (p=0.000 n=10+10)
 2021-09-03 11:48:22 +02:00
greatroar
3ed84ff0c6 Fix string truncation in ui/termstatus 
Fixes #3046.
 2020-11-02 12:50:49 +01:00
Alexander Neumann
7d9642523b termstatus: Fix panic for non-terminal runs 
Closes #1803
 2018-05-27 12:52:01 +02:00