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Yes it is plain text file and you can use notepad to view it.
Any modifications need to be with care not to destroy the original structure.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "brian_z111" <brian_z111@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Tuesday, November 20, 2007 10:59 AM
Subject: [amibroker] Re: Why does it take so long to apply edits?
>>> You should look inside broker.params file.
>
> What program do I use to 'look inside'.
>
> Will Notepad read it?
>
> Just curious (curiosity killed the cat but then again the cat has
> nine lives!).
>
> TIA.
>
> brian_z
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx>
> wrote:
>>
>> Hello,
>>
>> It saves parameter values for all charts - it is needed as
>> "permanent" storage of parameters, so when you shut down AmiBroker
>> and re-run the parameters are restored to values they were set
> prior to shut down.
>>
>> I think that you "re-invented wheel" - parameters are saved by
> AmiBroker already
>> and I am not quite sure why to re-implement the same from AFL.
>>
>> Best regards,
>> Tomasz Janeczko
>> amibroker.com
>> ----- Original Message -----
>> From: "Dennis Brown" <see3d@xxx>
>> To: <amibroker@xxxxxxxxxxxxxxx>
>> Sent: Tuesday, November 20, 2007 5:13 AM
>> Subject: Re: [amibroker] Why does it take so long to apply edits?
>>
>>
>> > Tomasz,
>> >
>> > The broker.params file is 117KB and you are right it contains
>> > thousands of parameters from past versions of the chart.
>> > Since I keep all my parameters in separate files I deleted this
> file
>> > and it is now only 5KB and my program runs the same (I made a
> copy
>> > first).
>> > How interesting. Could this have slowed down applying my edits
> as it
>> > grew?
>> > I could just delete this file from time to time. Does it serve
> any
>> > other purpose?
>> >
>> > Best regards,
>> > Dennis
>> >
>> > On Nov 19, 2007, at 9:29 PM, Tomasz Janeczko wrote:
>> >
>> >> Hello,
>> >>
>> >> You should look inside broker.params file.
>> >> I guess that thousands of different (now unused)
>> >> parameter names were created by the formula.
>> >>
>> >> Best regards,
>> >> Tomasz Janeczko
>> >> amibroker.com
>> >> ----- Original Message -----
>> >> From: "Dennis Brown" <see3d@xxx>
>> >> To: <amibroker@xxxxxxxxxxxxxxx>
>> >> Sent: Tuesday, November 20, 2007 2:45 AM
>> >> Subject: Re: [amibroker] Why does it take so long to apply edits?
>> >>
>> >>
>> >>> Hello,
>> >>>
>> >>> I just wanted to let everyone know that I found how to fix this
>> >>> problem. Somehow my chart had become corrupted in such a way
> that
>> >>> every edit I made would progressively add a little bit more to
> the
>> >>> time it took to "Apply Indicator". I was up to 15 minutes today
>> >>> before I found it was not my AFL that was doing it. AB Support
> tried
>> >>> my AFL and let me know that it was not the problem which got me
>> >>> looking in the right direction. Copying my AFL to another sheet
>> >>> fixed the problem. It actually takes less than a second to do
> this
>> >>> operation now.
>> >>>
>> >>> Best regards,
>> >>> Dennis
>> >>>
>> >>> On Nov 8, 2007, at 9:09 PM, Dennis Brown wrote:
>> >>>
>> >>>> Tomasz,
>> >>>>
>> >>>> Thank you for your response on the forum. Since this problem
> seems
>> >>>> to have gone way beyond the purpose of the forum at this
> point, I am
>> >>>> switching to AB Support to debug this issue. I have included
> this
>> >>>> whole thread as background with that email.
>> >>>>
>> >>>> But to answer your questions here for the completeness of
> this
>> >>>> thread:
>> >>>>
>> >>>> Yes, I am talking about "Apply Indicator" taking so long and
> it did
>> >>>> not make sense to me either that it should take so long.
>> >>>>
>> >>>> If I do a "Verify syntax" it takes less than a second.
>> >>>>
>> >>>> Normal operation mode is .25 seconds and resulted in the
> following:
>> >>>>
>> >>>> Using constant volume bar mode resulted in an "Apply" time of
> 8.5
>> >>>> minutes.
>> >>>> Switching to daily mode resulted in an "Apply" time of 9.5
>> >>>> minutes --
>> >>>> so not an improvement.
>> >>>> Commenting out ALL 2700 lines of my AFL code resulted in an
> apply
>> >>>> time of 3 minutes.
>> >>>>
>> >>>> The Profiler runs instantly and shows .01 seconds execution
> time,
>> >>>> but
>> >>>> consists of only 6 functions that are checked because most of
> the
>> >>>> AFL
>> >>>> is conditionally executed in indicator mode only.
>> >>>>
>> >>>> I edited out my indicator mode wrapper and used the Profiler
> again.
>> >>>> This time it showed the results on the screen for about 2
> seconds,
>> >>>> then the window disappeared and none of the AB windows could be
>> >>>> selected, as if the profiler model dialog box was still open
> but now
>> >>>> invisible. I was able to catch the AFL run time from the
> window
>> >>>> before it disappeared. One time it said .45 seconds, another
>> >>>> time it
>> >>>> was 1.1 seconds.
>> >>>>
>> >>>> I took screen shots of the Task Manager while it is doing
> an "Apply
>> >>>> indicator" and sent them along with my AFL code to the AB
> support
>> >>>> email.
>> >>>>
>> >>>> Thank you for all you do for us.
>> >>>> Best regards,
>> >>>>
>> >>>> Dennis
>> >>>>
>> >>>> On Nov 7, 2007, at 4:26 PM, Tomasz Janeczko wrote:
>> >>>>
>> >>>>> Dennis,
>> >>>>>
>> >>>>> If you speak about "Apply indicator" - it should be sub-
> second
>> >>>>> time.
>> >>>>> Minutes mean that something is wrong.
>> >>>>> "Applying indicator" executes the code for ALL bars with
> selected
>> >>>>> symbol and selected interval.
>> >>>>>
>> >>>>> Your formula needs to be doing some weird things if that
> takes that
>> >>>>> much time.
>> >>>>> Use built in Profiler (in 5.0.1) to find out which functions
> that
>> >>>>> you are using cause such long times.
>> >>>>>
>> >>>>> Other than looking at your formula I can only suggest to
> switch to
>> >>>>> daily interval when applying the code during editing.
>> >>>>>
>> >>>>> Best regards,
>> >>>>> Tomasz Janeczko
>> >>>>> amibroker.com
>> >>>>> ----- Original Message -----
>> >>>>> From: "Dennis Brown" <see3d@xxx>
>> >>>>> To: <amibroker@xxxxxxxxxxxxxxx>
>> >>>>> Sent: Wednesday, November 07, 2007 6:24 PM
>> >>>>> Subject: Re: [amibroker] Why does it take so long to apply
> edits?
>> >>>>>
>> >>>>>
>> >>>>>> Ok,
>> >>>>>>
>> >>>>>> This has totally frustrated me. I am ready to abandon the
>> >>>>>> built-in
>> >>>>>> AFL editor. It is taking forever to debug code when I have
> to
>> >>>>>> wait
>> >>>>>> 4-8 minutes for every typo.
>> >>>>>>
>> >>>>>> However, I need to keep my AB chart running while editing
> the AFL
>> >>>>>> (because my AB startup setup is complicated).
>> >>>>>>
>> >>>>>> Can I use an external editor as a *direct* replacement for
> the
>> >>>>>> built-
>> >>>>>> in editor?
>> >>>>>> Alternatively, is there a way to disable the checking done
> by the
>> >>>>>> AFL
>> >>>>>> formula editor when applying?
>> >>>>>> Actually the syntax checking is fast, it is what it does
> after
>> >>>>>> that
>> >>>>>> that takes so long.
>> >>>>>>
>> >>>>>> Am I the only one who sees this problem?
>> >>>>>>
>> >>>>>> Best regards,
>> >>>>>> Dennis
>> >>>>>>
>> >>>>>> On Oct 30, 2007, at 10:21 AM, Dennis Brown wrote:
>> >>>>>>
>> >>>>>>> Tomasz,
>> >>>>>>>
>> >>>>>>> As time has gone on, I have increased the complexity of my
> AFL to
>> >>>>>>> 2500 lines and my database to 200K. The time to apply
> edits has
>> >>>>>>> also
>> >>>>>>> gone up to 8 minutes even though I have wrapped the code so
> that
>> >>>>>>> most
>> >>>>>>> only executes in indicator mode. Finally today I became
>> >>>>>>> frustrated
>> >>>>>>> enough to track down the offending AFL. I started by
> commenting
>> >>>>>>> out
>> >>>>>>> my entire AFL. Time to apply --4 minutes for 2500 lines of
>> >>>>>>> comments! I am at a loss for how to track down what is
>> >>>>>>> causing the
>> >>>>>>> long apply edits now. Do you know how I might approach
> this?
>> >>>>>>>
>> >>>>>>> Best regards,
>> >>>>>>> Dennis
>> >>>>>>>
>> >>>>>>> On Sep 4, 2007, at 9:16 PM, Dennis Brown wrote:
>> >>>>>>>
>> >>>>>>>> Tomasz,
>> >>>>>>>>
>> >>>>>>>> Thank you for your insights.
>> >>>>>>>>
>> >>>>>>>> I wrapped my code today as you suggested below and in an
> earlier
>> >>>>>>>> post
>> >>>>>>>> today, so unwrapped are only the uncalled functions and a
> few
>> >>>>>>>> variables initialized to keep out syntax errors. I am
> using a
>> >>>>>>>> 90,000
>> >>>>>>>> bar 5 second database, but the chart timeframe is run at
>about
>> >>>>>>>> 7,000
>> >>>>>>>> bars, and my complex loop processing is limited by
> parameter to
>> >>>>>>>> less
>> >>>>>>>> than 2,000 bars. Changing that parameter to 200 bars
> reduces
>> >>>>>>>> the
>> >>>>>>>> execution time from 1 second to .2 seconds, but as you
>> >>>>>>>> suggested,
>> >>>>>>>> does not seem to have much affect on the apply time --
> which now
>> >>>>>>>> varies from 35 to 65 seconds. I also tried different
> tickers
>> >>>>>>>> with
>> >>>>>>>> fewer bars (30,000) and it did made the apply time
> longer. So I
>> >>>>>>>> would say my edit apply time is no longer dependent on my
>> >>>>>>>> database
>> >>>>>>>> size or AFL complexity.
>> >>>>>>>>
>> >>>>>>>> Even though I am glad to have under a minute apply time
> now, it
>> >>>>>>>> seems
>> >>>>>>>> as though there is still something else that is slowing it
>> >>>>>>>> down. Do
>> >>>>>>>> any other possibilities come to mind?
>> >>>>>>>>
>> >>>>>>>> One thing that I noticed, is that it is a consistent 35
>> >>>>>>>> seconds to
>> >>>>>>>> apply when I start up AB and just do a lot of applies.
>> >>>>>>>> Switching
>> >>>>>>>> symbols, more edits, enabling complex AFL sections, etc.
>> >>>>>>>> cause the
>> >>>>>>>> time to lengthen up to the 55 second area and it does not
> go
>> >>>>>>>> back
>> >>>>>>>> down until I quit AB. I am guessing that these things
> take
>> >>>>>>>> memory
>> >>>>>>>> that does not get released and it reduces the RAM
> available for
>> >>>>>>>> processing the apply.
>> >>>>>>>>
>> >>>>>>>> PS. When I turn on ALL of my formula (enabled in sections
> with
>> >>>>>>>> multiple timeframes and indicators) it takes about 5
> seconds to
>> >>>>>>>> execute with all the speed-up tricks so far --which is why
> I am
>> >>>>>>>> obsessed with getting the most speed I can out of AFL by
> clever
>> >>>>>>>> programming tricks.
>> >>>>>>>>
>> >>>>>>>> Best regards,
>> >>>>>>>> Dennis
>> >>>>>>>>
>> >>>>>>>> On Sep 4, 2007, at 6:00 PM, Tomasz Janeczko wrote:
>> >>>>>>>>
>> >>>>>>>>> Dennis,
>> >>>>>>>>>
>> >>>>>>>>> If you are "applying" the code - it is for the first time
>> >>>>>>>>> executed
>> >>>>>>>>> with ALL bars, regardless of QuickAFL and SetBarsRequired
>> >>>>>>>>> settings.
>> >>>>>>>>>
>> >>>>>>>>> Now *if* your formula is complex and uses looping and you
> are
>> >>>>>>>>> using
>> >>>>>>>>> for example tick database with hundreds of thousands of
> bars
>> >>>>>>>>> it may take a while. Usually it is non-issue as people
> are not
>> >>>>>>>>> using such complex formulas.
>> >>>>>>>>> (1 second is *very* long for execution under normal
>> >>>>>>>>> circumstances.
>> >>>>>>>>> My formulas usually execute well below 0.1 sec).
>> >>>>>>>>>
>> >>>>>>>>> You may wrap your code into
>> >>>>>>>>>
>> >>>>>>>>> if( Status("action")==actionIndicator)
>> >>>>>>>>> {
>> >>>>>>>>> ...
>> >>>>>>>>> }
>> >>>>>>>>>
>> >>>>>>>>> and this will prevent this effect.
>> >>>>>>>>>
>> >>>>>>>>> Best regards,
>> >>>>>>>>> Tomasz Janeczko
>> >>>>>>>>> amibroker.com
>> >>>>>>>>> ----- Original Message -----
>> >>>>>>>>> From: "Dennis Brown" <see3d@xxx>
>> >>>>>>>>> To: <amibroker@xxxxxxxxxxxxxxx>
>> >>>>>>>>> Sent: Tuesday, September 04, 2007 11:25 PM
>> >>>>>>>>> Subject: [amibroker] Why does it take so long to apply
> edits?
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>>> Hello,
>> >>>>>>>>>>
>> >>>>>>>>>> I have noticed that the time it takes to apply an edit
> to my
>> >>>>>>>>>> large
>> >>>>>>>>>> indicator AFL takes a long but variable amount of time.
> It
>> >>>>>>>>>> might
>> >>>>>>>>>> take 15 seconds one time and 3 minutes another time.
> It
>> >>>>>>>>>> usually
>> >>>>>>>>>> takes about 2.5 minutes to apply an edit, though if
> there is a
>> >>>>>>>>>> syntax
>> >>>>>>>>>> error, it comes back right away. The AFL itself has an
>> >>>>>>>>>> execution of
>> >>>>>>>>>> about 1 second per pass and starts up right away from
> scratch.
>> >>>>>>>>>>
>> >>>>>>>>>> I was wondering if there were any general rules that I
>> >>>>>>>>>> should be
>> >>>>>>>>>> aware of that would make applying edits faster and more
>> >>>>>>>>>> consistent?
>> >>>>>>>>>>
>> >>>>>>>>>> Another thing that is interesting is that if I click
>> >>>>>>>>>> anywhere on
>> >>>>>>>>>> the
>> >>>>>>>>>> chart or UI while the edit is being applied, it runs even
>> >>>>>>>>>> slower,
>> >>>>>>>>>> and
>> >>>>>>>>>> always resets all the params.
>> >>>>>>>>>>
>> >>>>>>>>>> Insights anyone?
>> >>>>>>>>>>
>> >>>>>>>>>> Thanks,
>> >>>>>>>>>> Dennis
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>> Please note that this group is for discussion between
> users
>> >>>>>>>>>> only.
>> >>>>>>>>>>
>> >>>>>>>>>> To get support from AmiBroker please send an e-mail
>> >>>>>>>>>> directly to
>> >>>>>>>>>> SUPPORT {at} amibroker.com
>> >>>>>>>>>>
>> >>>>>>>>>> For NEW RELEASE ANNOUNCEMENTS and other news always check
>> >>>>>>>>>> DEVLOG:
>> >>>>>>>>>> http://www.amibroker.com/devlog/
>> >>>>>>>>>>
>> >>>>>>>>>> For other support material please check also:
>> >>>>>>>>>> http://www.amibroker.com/support.html
>> >>>>>>>>>>
>> >>>>>>>>>> Yahoo! Groups Links
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>> Please note that this group is for discussion between
> users
>> >>>>>>>>> only.
>> >>>>>>>>>
>> >>>>>>>>> To get support from AmiBroker please send an e-mail
> directly to
>> >>>>>>>>> SUPPORT {at} amibroker.com
>> >>>>>>>>>
>> >>>>>>>>> For NEW RELEASE ANNOUNCEMENTS and other news always
> check
>> >>>>>>>>> DEVLOG:
>> >>>>>>>>> http://www.amibroker.com/devlog/
>> >>>>>>>>>
>> >>>>>>>>> For other support material please check also:
>> >>>>>>>>> http://www.amibroker.com/support.html
>> >>>>>>>>>
>> >>>>>>>>> Yahoo! Groups Links
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>> Please note that this group is for discussion between
> users
>> >>>>>>>> only.
>> >>>>>>>>
>> >>>>>>>> To get support from AmiBroker please send an e-mail
> directly to
>> >>>>>>>> SUPPORT {at} amibroker.com
>> >>>>>>>>
>> >>>>>>>> For NEW RELEASE ANNOUNCEMENTS and other news always check
>> >>>>>>>> DEVLOG:
>> >>>>>>>> http://www.amibroker.com/devlog/
>> >>>>>>>>
>> >>>>>>>> For other support material please check also:
>> >>>>>>>> http://www.amibroker.com/support.html
>> >>>>>>>>
>> >>>>>>>> Yahoo! Groups Links
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>> Please note that this group is for discussion between users
> only.
>> >>>>>>>
>> >>>>>>> To get support from AmiBroker please send an e-mail
> directly to
>> >>>>>>> SUPPORT {at} amibroker.com
>> >>>>>>>
>> >>>>>>> For NEW RELEASE ANNOUNCEMENTS and other news always check
> DEVLOG:
>> >>>>>>> http://www.amibroker.com/devlog/
>> >>>>>>>
>> >>>>>>> For other support material please check also:
>> >>>>>>> http://www.amibroker.com/support.html
>> >>>>>>>
>> >>>>>>> Yahoo! Groups Links
>> >>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> Please note that this group is for discussion between users
> only.
>> >>>>>>
>> >>>>>> To get support from AmiBroker please send an e-mail directly
> to
>> >>>>>> SUPPORT {at} amibroker.com
>> >>>>>>
>> >>>>>> For NEW RELEASE ANNOUNCEMENTS and other news always check
> DEVLOG:
>> >>>>>> http://www.amibroker.com/devlog/
>> >>>>>>
>> >>>>>> For other support material please check also:
>> >>>>>> http://www.amibroker.com/support.html
>> >>>>>>
>> >>>>>> Yahoo! Groups Links
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>
>> >>>>>
>> >>>>> Please note that this group is for discussion between users
> only.
>> >>>>>
>> >>>>> To get support from AmiBroker please send an e-mail directly
> to
>> >>>>> SUPPORT {at} amibroker.com
>> >>>>>
>> >>>>> For NEW RELEASE ANNOUNCEMENTS and other news always check
> DEVLOG:
>> >>>>> http://www.amibroker.com/devlog/
>> >>>>>
>> >>>>> For other support material please check also:
>> >>>>> http://www.amibroker.com/support.html
>> >>>>>
>> >>>>> Yahoo! Groups Links
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>> Please note that this group is for discussion between users
> only.
>> >>>>
>> >>>> To get support from AmiBroker please send an e-mail directly to
>> >>>> SUPPORT {at} amibroker.com
>> >>>>
>> >>>> For NEW RELEASE ANNOUNCEMENTS and other news always check
> DEVLOG:
>> >>>> http://www.amibroker.com/devlog/
>> >>>>
>> >>>> For other support material please check also:
>> >>>> http://www.amibroker.com/support.html
>> >>>>
>> >>>> Yahoo! Groups Links
>> >>>>
>> >>>>
>> >>>>
>> >>>
>> >>>
>> >>>
>> >>> Please note that this group is for discussion between users
> only.
>> >>>
>> >>> To get support from AmiBroker please send an e-mail directly to
>> >>> SUPPORT {at} amibroker.com
>> >>>
>> >>> For NEW RELEASE ANNOUNCEMENTS and other news always check
> DEVLOG:
>> >>> http://www.amibroker.com/devlog/
>> >>>
>> >>> For other support material please check also:
>> >>> http://www.amibroker.com/support.html
>> >>>
>> >>> Yahoo! Groups Links
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>
>> >>
>> >> Please note that this group is for discussion between users only.
>> >>
>> >> To get support from AmiBroker please send an e-mail directly to
>> >> SUPPORT {at} amibroker.com
>> >>
>> >> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
>> >> http://www.amibroker.com/devlog/
>> >>
>> >> For other support material please check also:
>> >> http://www.amibroker.com/support.html
>> >>
>> >> Yahoo! Groups Links
>> >>
>> >>
>> >>
>> >
>> >
>> >
>> > Please note that this group is for discussion between users only.
>> >
>> > To get support from AmiBroker please send an e-mail directly to
>> > SUPPORT {at} amibroker.com
>> >
>> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
>> > http://www.amibroker.com/devlog/
>> >
>> > For other support material please check also:
>> > http://www.amibroker.com/support.html
>> >
>> > Yahoo! Groups Links
>> >
>> >
>> >
>> >
>> >
>>
>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
> Yahoo! Groups Links
>
>
>
>
>
Please note that this group is for discussion between users only.
To get support from AmiBroker please send an e-mail directly to
SUPPORT {at} amibroker.com
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/
For other support material please check also:
http://www.amibroker.com/support.html
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