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 [email protected], "Ara Kaloustian" <[EMAIL PROTECTED]> 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" <[EMAIL PROTECTED]> >> To: <[email protected]> >> 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 [email protected], "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: <[email protected]> >>>> 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 >>>>> >>>>> >>>>> ------------------------------------ >>>>> >>>>> **** 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: >>>>> 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: >>> 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: > http://www.amibroker.com/devlog/ > > For other support material please check also: > http://www.amibroker.com/support.html > > ********************************* > Yahoo! Groups Links > > >
