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Guys,
I have just written one simple DLL. I did it only because I had to to
gain some AFL functionality that was not available any other way. I
think that is the only reason I would write a DLL again. I would
prefer that AFL get enhanced instead to not require it at all.
BR,
Dennis
On Dec 2, 2008, at 3:20 PM, sidhartha70 wrote:
> I have found that there a number if tricks & tips to making AFL code
> run as fast as possible on AB... partly to do with AFL itself and
> partly to with peculiarities of AB... It's taken trial and error
> frankly to work them out...
>
> But I'm now much clearer about how to AB in an efficient manner...
> such that pervious code that I found almost unusably slow is now
> pretty fast.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@xxx> wrote:
>>
>> Barry,
>>
>> I agree on most issues ... have experienced the hardship of thinking
> arrays
>> ... has cost me a lot of time...
>>
>> Fortunatley (I think) I have lost the limited C programming I could
> do ...
>> actually I used turbo Pascal because it was less forgiving than C /
> C++ ...
>> I know C++ had improved a lot since .. the old days... so I don't
>> even
>> consider a DLL task now.
>>
>> The advantages I see for a DLL (other than hiding your code) is to
> group
>> common routines AND faster execution under some conditions. I have
> some very
>> slow code that becomes unusable in real time...
>>
>> Have a great day
>>
>> Ara
>>
>>
>> ----- Original Message -----
>> From: "Barry Scarborough" <razzbarry@xxx>
>> To: <amibroker@xxxxxxxxxxxxxxx>
>> Sent: Tuesday, December 02, 2008 11:33 AM
>> Subject: [amibroker] Re: Why are there so few?
>>
>>
>>> Hi Ara,
>>>
>>> I will have to disagree about AFL vs C++. They are about the same
>>> difficulty to learn. AFLs use of arrays threw me for a loop for
>>> about
>>> a year. I kept trying to code it like C. Bad idea. Don't! The C++
>>> compiler is much less forgiving and you have to have the code
>>> perfect
>>> before the compiler will let it pass. That is a good thing because
>>> AFL allows syntax error to pass that only surface at run time and
>>> they are a BEAR to figure out. But then C++ has linking and run time
>>> errors that are a BEAR to figure out too. And you are much more
>>> likely to get help with coding here if you use AFL.
>>>
>>> I think the best thing to do is read the AFL manual over and over
>>> until you understand it. Then read it again. But realize you would
>>> have to do that with C++ too. If you think the AFL manual is hard to
>>> understand pick up a Visual C++ manual, 4 CD library, and try to
>>> learn it. Good luck! And I am not talking about using the full blown
>>> object oriented aspects of C++, which are much harder to grasp and
>>> use and not needed in a DLL. OE is mainly for creating functions
>>> that
>>> can be used over and over with standard interfaces and you can do
>>> that with functions in AFL and put them in an include library.
>>>
>>> The main reason for DLLs is hiding your design. Once you compile
>>> them
>>> they are in machine language and unreadable. So your design would
>>> remain a secret. DLLs would be good if you were writing application
>>> level AmiBroker programs to sell where you would have a number of
>>> applications with common function. Using common function lowers
>>> maintenance and improves productivity. That is where OE shines.
>>>
>>> Learn AFL. Forget DLLs unless you really need them.
>>>
>>> Cheers,
>>> Barry
>>>
>>> --- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@> wrote:
>>>>
>>>> yes ... you need to be able to program in C++ (or similar)
>>>> language.
>>>>
>>>> AFL is considered a user larguage .. that's why it's relatively
>>>> easy
>>>>
>>>> C++ on the other hand is a full programming language
>>>>
>>>>
>>>> ----- Original Message -----
>>>> From: "Tim" <raven4ns@>
>>>> To: <amibroker@xxxxxxxxxxxxxxx>
>>>> Sent: Tuesday, December 02, 2008 10:37 AM
>>>> Subject: [amibroker] Why are there so few?
>>>>
>>>>
>>>>> Hello,
>>>>> Many people have said that a DLL is the way to go for a formula.
>>> It
>>>>> is said it is faster among other positives. Why then is there so
>>> few
>>>>> DLL's available? I know my ignorance about computers is showing
>>> but I
>>>>> would really like to know. Are they more complicated than an AFL,
>>> you
>>>>> need special training, what? Thank you for indulging my curiosity.
>>>>>
>>>>> Kindest regards always,
>>>>>
>>>>> Tim
>>>>>
>>>>>
>>>>> ------------------------------------
>>>>>
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>>>>> SUPPORT {at} amibroker.com
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>>>>> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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>>>>>
>>>>> For other support material please check also:
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>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>>
>>> ------------------------------------
>>>
>>> **** IMPORTANT ****
>>> This group is for the discussion between users only.
>>> This is *NOT* technical support channel.
>>>
>>> *********************
>>> TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail
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>>> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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>>>
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>>
>
>
>
> ------------------------------------
>
> **** IMPORTANT ****
> This group is for the discussion between users only.
> This is *NOT* technical support channel.
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> *********************
> TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail
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> SUPPORT {at} amibroker.com
> *********************
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> 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
>
>
>
------------------------------------
**** IMPORTANT ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
*********************
TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail directly to
SUPPORT {at} amibroker.com
*********************
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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For other support material please check also:
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