OSSForks/ladybird
1
0
Fork 0
mirror of https://github.com/zebrajr/ladybird.git synced 2025-12-06 00:19:53 +01:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

AK: Make Utf16View::to_utf8() use simdutf fast path more often

Browse Source 
By piggybacking on the already-optimized implementation in
StringBuilder, we can get simdutf for the AllowInvalidCodeUnits::Yes
case here as well.

1.03x speedup on Speedometer's TodoMVC-jQuery.
This commit is contained in:
Andreas Kling 2025-05-09 18:08:01 +02:00 committed by Andreas Kling
parent f61df9d34c
commit 6efc5c54b5
1 changed files with 2 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
AK/Utf16View.cpp
View File

@ -168,16 +168,8 @@ ErrorOr<String> Utf16View::to_utf8(AllowInvalidCodeUnits allow_invalid_code_unit
return String::from_utf16(*this);
StringBuilder builder;
for (size_t i = 0; i < length_in_code_units(); ++i) {
auto code_point = code_point_at(i);
TRY(builder.try_append_code_point(code_point));
if (code_point >= first_supplementary_plane_code_point)
++i;
}
return builder.to_string_without_validation();
builder.append(*this);
return builder.to_string();
}
size_t Utf16View::length_in_code_points() const