U++ forum: Welcome to the forum

Re: BufferPainter::Clear() optimization [message #53955 is a reply to message #53751]

Sun, 17 May 2020 22:00

Oblivion
Messages: 1210
Registered: August 2007

Senior Contributor

Here's results on (AMD FX, linux x64):

GCC:

TIMING HUGE memset    : 113,98 ms -  5,70 ms (114,00 ms / 20 ), min:  5,00 ms, max:  6,00 ms, nesting: 0 - 20
TIMING HUGE Fill3     : 81,98 ms -  4,10 ms (82,00 ms / 20 ), min:  4,00 ms, max:  5,00 ms, nesting: 0 - 20
TIMING HUGE Fill      : 145,98 ms -  7,30 ms (146,00 ms / 20 ), min:  7,00 ms, max:  8,00 ms, nesting: 0 - 20
TIMING HUGE memsetd   : 125,98 ms -  6,30 ms (126,00 ms / 20 ), min:  6,00 ms, max:  7,00 ms, nesting: 0 - 20
TIMING memset         :  1,24 s  -  1,24 us ( 2,23 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING Fill3          :  2,01 s  -  2,01 us ( 3,01 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING Fill2          :  2,43 s  -  2,43 us ( 3,42 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING Fill0          :  2,77 s  -  2,77 us ( 3,76 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING Fill           :  2,72 s  -  2,72 us ( 3,71 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING memsetd        :  1,80 s  -  1,80 us ( 2,80 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000

ClANG:

TIMING HUGE memset    : 120,98 ms -  6,05 ms (121,00 ms / 20 ), min:  5,00 ms, max:  7,00 ms, nesting: 0 - 20
TIMING HUGE Fill3     : 81,98 ms -  4,10 ms (82,00 ms / 20 ), min:  4,00 ms, max:  5,00 ms, nesting: 0 - 20
TIMING HUGE Fill      : 130,98 ms -  6,55 ms (131,00 ms / 20 ), min:  6,00 ms, max:  7,00 ms, nesting: 0 - 20
TIMING HUGE memsetd   : 133,98 ms -  6,70 ms (134,00 ms / 20 ), min:  6,00 ms, max:  7,00 ms, nesting: 0 - 20
TIMING memset         :  1,49 s  -  1,49 us ( 2,39 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING Fill3          :  1,74 s  -  1,74 us ( 2,64 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING Fill2          :  1,62 s  -  1,62 us ( 2,52 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING Fill0          :  2,00 s  -  2,00 us ( 2,90 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING Fill           :  2,06 s  -  2,06 us ( 2,96 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000
TIMING memsetd        :  2,18 s  -  2,18 us ( 3,08 s  / 1000000 ), min:  0,00 ns, max:  1,00 ms, nesting: 0 - 1000000

Best regards,
Oblivion

Github page: https://github.com/ismail-yilmaz
upp-components: https://github.com/ismail-yilmaz/upp-components
Bobcat the terminal emulator: https://github.com/ismail-yilmaz/Bobcat

Report message to a moderator