jballi
Joined: 01 Oct 2005
Posts: 385
Location: Texas, USA
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 Posted: Thu Apr 20, 2006 10:44 pm Post subject: ElapsedTime function/shell |
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They say "stuff happens!" I just want to know, how long did it take?
AutoHotkey's built-in debugging tools are great for tracking how long stuff takes to execute but every once in a while (for debugging or other practical purposes), you need to know how long it took for a particular function, process, or anything to occur. In my case, I was constantly adding and removing code to do this very thing and I finally got around to writing a function to accomplish the task. I've starting to use the function regularly, so I thought I'd share it.
ElapsedTime is a super simple function for keeping track of how long it takes for stuff to happen. Call it once to start a timer, and then call it again every time you want to know how long it took to do it.
The code includes documentation and examples.
I hope someone finds this useful.
| Code: | ;**********************
;* *
;* Elapsed Time *
;* *
;**********************
;
; Decription:
; ===========
; This functions keeps tracks of the amount of time that has elapsed (in
; milliseconds) between calls to the function. Up to 9 timers can be used.
;
;
;
; Parameters
; ==========
;
; Name Decryption
; ---- ----------
; p_Timer Timer #. Valid values are 1 through 9. [Optional]
; Default is 1.
;
; p_Start Set to true to start timer. [Optional] Default is
; false.
;
;
; Notes
; =====
; To reduce processing time to a minimum, this function includes no error
; or integrity checking. Invalid results will occur if a timer is not
; initialized (p_Start=true) or if an invalid (undefined) timer is used.
;
; To create more meaningful timer names, create a static variable (prefixed by
; "timer_") for every timer name that you wish to use. For example, creating
; the static variable (sans quotes) "timer_CheckFiles" will allow for function
; to be called as follows:
;
; ElapsedTime("CheckFiles",true)
; ;--- Code to check files goes here
; msgbox "It took " . ElapsedTime("CheckFiles") . " ms to check files."
; return
;
;
;
; Examples Of Use
; ===============
; The following are examples (not recommendations) of use.
;
; ;-- Test 1
; ^#!Numpad1::
; msgbox Click the OK button to start Test 1...
; ElapsedTime(1,true)
; sleep 2500
; msgbox % "End of Test 1. Elapsed Time=" . ElapsedTime() . " ms."
; return
;
; ;-- Test 2
; ^#!Numpad2::
; msgbox Click the OK button to start Test 2...
; ElapsedTime(1,true)
; sleep 1234
; et1:=ElapsedTime(1)
; ElapsedTime(2,true)
; sleep 592
; et2:=ElapsedTime(2)
; msgbox End of Test 2. 1st sleep=%et1% ms. 2nd sleep=%et2% ms.
; return
;
; ;-- Test 3
; ^#!Numpad3::
; msgbox Click the OK button to start Test 3...
; ElapsedTime(1,true)
; sleep 888
; t1:=ElapsedTime(1)
; ElapsedTime(2,true)
; sleep 777
; t2:=ElapsedTime(2)
; t1_l2:=ElapsedTime(1)
; ElapsedTime(3,true)
; sleep 444
; t3:=ElapsedTime(3)
; t1_l3:=ElapsedTime(1)
; message=
; (ltrim
; End of Test 3.
; Time for 1st sleep=%t1% ms.
; Time for 2nd sleep=%t2% ms. Lap time after 2nd sleep=%t1_l2% ms.
; Time for 3rd sleep=%t3% ms. Lap time after 3rd sleep=%t1_l3% ms.
; )
; msgbox %message%
; return
;
;-------------------------------------------------------------------------------
ElapsedTime(p_Timer=1,p_Start=false)
{
static timer_1,timer_2,timer_3,timer_4,timer_5,timer_6,timer_7,timer_8,timer_9
static timer_CheckFiles ;-- Example of meaningful timer name
if p_Start
{
timer_%p_Timer%:=A_TickCount
l_ElapsedTime=0
}
else
l_ElapsedTime:=A_TickCount-timer_%p_Timer%
return l_ElapsedTime
}
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