Weird Frames Rates is the a garbage Problem?

BlitzMax Forums/BlitzMax Programming/Weird Frames Rates is the a garbage Problem?

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Duckstab[o]
 #1
SetGraphicsDriver GLMax2DDriver()
 
Graphics 1024,768,32

While Not KeyHit(KEY_SPACE)
DrawText curfps,10,10
For x=3 To 50
For y=1 To 75
DrawRect x*10,y*10,8,8
Next
Next

curTime = MilliSecs()

If curTime > checkTime Then
	checkTime = curTime + 1000
	curFPS = fpscounter
	fpscounter = 0
Else
	fpscounter = fpscounter + 1
End If

'GCCollect()

Flip(0)
Cls
Wend


Using this code the frame rate seems to be stable so it looks like it possible drawtext that is the problem.
maybe it causing to much garbage.

But on a second note if the value of curfps is replaced by "999" in the first example then the frame rate stays constant within 1-2.