https://bugs.winehq.org/show_bug.cgi?id=53947
--- Comment #9 from Bartosz gang65@poczta.onet.pl --- After building wine from source code, it is noticed that floorf is called from ucrtbase.dll library, which is very slow. Full Oprofile output:
Counted cpu_clk_unhalted events () with a unit mask of 0x00 (Core cycles when at least one thread on the physical core is not in halt state) count 100000 samples % image name app name symbol name 895705 33.4761 ucrtbase.dll.so wine floor 351683 13.1438 no-vmlinux wine /no-vmlinux 330995 12.3706 gdiplus.dll.so wine resample_bitmap_pixel 300093 11.2157 win32u.so wine blend_rects_8888 272645 10.1898 gdiplus.dll.so wine GdipDrawImagePointsRect 137421 5.1360 gdiplus.dll.so wine sample_bitmap_pixel 112476 4.2037 gdiplus.dll.so wine convert_32bppARGB_to_32bppPARGB 35455 1.3251 no-vmlinux wineserver /no-vmlinux 35223 1.3164 no-vmlinux wine64-preloader /no-vmlinux 30252 1.1306 libc.so.6 wine /usr/lib/i386-linux-gnu/libc.so.6