Hi everyone, I just pushed my autogen files on github : https://github.com/ArnaudVERSINI/LibreOffice_autogens
Thanks Le lun. 22 nov. 2021 à 17:28, Arnaud Versini <arnaud.vers...@gmail.com> a écrit : > Hi everyone, > > I just tested libreoffice performance between GCC + gold + libstdc++, > clang + lld + libstdc++ and clang + lld + libc++ and noticed that gcc > builds are slower (at least in this case). I will write a blog article with > all the process to reproduce but small version, it just converts > openDocument standart files (ODF 1.0 to 1.3) to PDF. There is no > significant difference between both clang builds (changing lib C++ from > libstdc++ to libc++) but gcc is slower than clang. Of course all builds > don't use system libraries in this case to compare between lib C++, and > builds are optimised and use LTO. > > > OpenSUSE 7.2 Clang + libc++ Clang + std Gcc + std > Run 1 50,923045275 45,456441587 45,878275287 49,487550577 > Run 2 50,360027388 43,83441037 44,303120572 47,898307652 > Run 3 50,258628137 43,552443057 44,332110013 47,596628518 > Run 4 50,062155622 43,587905602 44,616728628 47,430735675 > Run 5 53,567235331 43,548408389 44,561502427 47,727024813 > Run 6 50,354870307 43,877387065 44,107891362 47,444552655 > Run 7 49,663738973 43,92048805 44,583599634 47,293633635 > Run 8 49,780141995 43,843555496 44,055990454 47,561677627 > Run 9 49,763425026 43,398042427 44,011950682 47,65275752 > Run 10 50,197944032 44,153460819 44,303763557 47,974880802 > Average 50,4931212086 43,9172542862 44,4754932616 47,8067749474 > > For information I use openSUSE Tumbleweed latest release. > > I also noticed that libengine12 is really bigger with GCC but I've not > have that data on me now. > > I hope this could be an idea of improvement ! Next crazy test I would like > to do is between MSVC and clang on windows ! But it seems harder ! > -- > Arnaud Versini > -- Arnaud Versini
