ActionScript 3.0 :: Benchmarking Results Keep Changing?
Feb 6, 2011
I wrote a program to benchmark different version of functions(bitshifting vs integer math) against one another. I thought I had dealt with some inaccuracies that seemed to crop up when you run two functions in the same cycle, but now the answers are changing greatly depending on how the programs is run.
If I run it from Flash CS5, it says bitShifting is better.
If I run it from just FlashPlayer 10, is says bitShifting is bad.
If I run it from FireFox, it says bitShifting is really really bad.
In the end I imagine what happens in the internet browser is what should go, because 9 out of 10 times that's where people will be loading my stuff.
But....What is is going here? I thought my program was fairly solid and by looking at the % of differences between two functions I was taking in to account the time of the for loop itself used to run the tests. This is really really really really freaking annoying. The only thing I can fathom it is; is something to do with the load of each individual program that is running and what resources each function needs.Here is the base code from the benchmarking program I made.If you copy and paste it to Flash, you will need to create:
- decent sized text Field with the instance name "tOut" for Output
- a small text Field with the instance name "tLoop" for # of loops to run
- a MC/text Field with the instance name "btnBegin".
It's setup to easily add to functions, just add vars as needed.
Code:
import flash.utils.getTimer;
var avgTimeA:Number = 0.00;
var avgTimeB:Number = 0.00;[code].............
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