Le 10/12/2020 à 14:16, Jean-Marc Lasgouttes a écrit :
Le 10/12/2020 à 13:42, Yuriy Skalko a écrit :
Note that, as shown in the new last line, removing lexical_cast _and_
signals2 is the big win here.
Here is the first step -- removing lexical_cast.
Patch 1 is fine.
Patch 2: did you try to determine whether to_string() is better than
using ostringstream<< ?
At least some time ago, performance was better with lexical_cast:
https://www.boost.org/doc/libs/1_49_0/doc/html/boost_lexical_cast/performance.html
Looks like to_string has really improved recently:
https://www.zverovich.net/2020/06/13/fast-int-to-string-revisited.html
JMarc
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