So recently I tested the performance between Radeon Mobility FireGL
9000(RV250) and Radeon HD 5450 with x11perf, the test command is :
x11perf -repeat 3 -subs 2000 -time 3 move -sync -v1.2
enrironment:
os: rhel 7 x64, no desktop environment, only using xorg+x11perf to test
hardware:
CPU: intel pentium dual-core e5800, 3.2GHZ
memory size: 3G
After started Xorg with M9000 or HD 5450, radeon driver is used and
acceleration is enabled, accelmethod is exa, resolution is 1920x1080.
test result are as follows(unit: /sec):
"Move window" "Move unmapped window" "Move window via parent"
M9000 11300 79200 1110000
HD5450 7430 70700 2810000
M9000 is a more old card,HD 5450 is a newer product than M9000 about 10
years.
From the test result of "Move window", HD 5450 is lower than M9000, why?
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