clear
FOR K=1 TO 10000000
NEXT

X=SPACE(2000000)

t1=SECONDS()
FOR K=1 TO 10
	 =LEN(m.x)
NEXT
? "read result only",SECONDS()-t1

t1=SECONDS()
FOR K=1 TO 10
	 =LEN(REPLICATE(m.x,8))	&& MINIMUM EXPECTED TIME
NEXT
? "MINIMUM TIME",SECONDS()-t1

t1=SECONDS()
FOR K=1 TO 10
	 =LEN(m.x+m.x+m.x+m.x+m.x+m.x+m.x+m.x)
NEXT
? "LINEAR CONCAT",SECONDS()-t1

t1=SECONDS()
FOR K=1 TO 10
	 =LEN((m.x+m.x+m.x+m.x)+(m.x+m.x+m.x+m.x))
NEXT
? "grouping THE CONCAT",SECONDS()-t1

t1=SECONDS()
FOR K=1 TO 10
	 =LEN(((m.x+m.x)+(m.x+m.x))+((m.x+m.x)+(m.x+m.x)))
NEXT
? "full grouping THE CONCAT",SECONDS()-t1,"THIS IS (MINIMUM TIME)*LOG2(NUMSUM)=0.586*3"