BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Suggestions for a large projects          BorlandTalk.com Forum Index -> Delphi Thirdparty Tools (General) View previous topic :: View next topic   Author Message Jonathan Neve[Microtec] Guest Posted: Thu Dec 22, 2005 9:13 am    Post subject: Re: Suggestions for a large projects Hi, Carlos wrote: Quote: Hello, I have a large project. It contains ~ 500 forms then when I rebuild the compiling time is for various minutes (C++Builder 6). I am interesed in personal comments for know how could I work more eficient. My ideas: - convert the project in various dll ? - store .obj .dfm etc in database and linking with the MainApp.exe at runtime ? (Is it possible) I have several projects with between 150 and 300 forms, and one very large project with nearly 800 forms, so I'm quite familiar with this problem. :-/ Your suggestions may be good/worth considering, and I think option 1 would probably have a big impact on compilation time (except of course that it implies a good fragmentation of the project with few interdependancies, which isn't always easy). My only recommendation would be to use precompiled headers. My 800 form project used to take about 45 minutes to compile. Now it takes 600-700 seconds. In other smaller projects, the speed increase was also dramatic, going from about 500 seconds to sometimes less than a minute. If you haven't done this, it's worth a try. -- Best regards, Jonathan Neve _______________ CopyTiger - advanced database replicator for Interbase/Firebird! Web : http://www.microtec.fr/copycat/ct _______________________________________ CopyCat - database replication components for Delphi/C++Builder! Web : http://www.microtec.fr/copycat/cc Back to top Carlos Guest Posted: Thu Dec 22, 2005 9:23 am    Post subject: Suggestions for a large projects Hello, I have a large project. It contains ~ 500 forms then when I rebuild the compiling time is for various minutes (C++Builder 6). I am interesed in personal comments for know how could I work more eficient. My ideas: - convert the project in various dll ? - store .obj .dfm etc in database and linking with the MainApp.exe at runtime ? (Is it possible) I accept any sugerence. Thanks in advance. Back to top Matthew Jones Guest Posted: Thu Dec 22, 2005 10:15 am    Post subject: Re: Suggestions for a large projects Not sure what this is doing in a Delphi newsgroup, but obviously using Delphi would make it a lot faster. 8-) Assuming you have the precompiled headers all sorted out, the easiest way to speed things up is to use ".lib" libraries. I used to put things that weren't changed much in libraries so they would just link in and not need a recompile. /Matthew Jones/ Back to top Carlos Guest Posted: Thu Dec 22, 2005 11:25 am    Post subject: Re: Suggestions for a large projects Thank you for your suggestions I can´t use it: [C++ Warning] DB.hpp(327): W8058 Cannot create pre-compiled header: initialized data in header TField* __fastcall CreateFieldComponent(Classes::TComponent* Owner, TObjectField* ParentField = (TObjectField*)(0x0), AnsiString FieldName = ""); I don´t know that means it. "Jonathan Neve[Microtec]" <jonathan (AT) microtec (DOT) fr> escribió en el mensaje news:xn0ebahes7cd7q001jmn_microtec (AT) forums (DOT) borland.com... Quote: Hi, Carlos wrote: Hello, I have a large project. It contains ~ 500 forms then when I rebuild the compiling time is for various minutes (C++Builder 6). I am interesed in personal comments for know how could I work more eficient. My ideas: - convert the project in various dll ? - store .obj .dfm etc in database and linking with the MainApp.exe at runtime ? (Is it possible) I have several projects with between 150 and 300 forms, and one very large project with nearly 800 forms, so I'm quite familiar with this problem. :-/ Your suggestions may be good/worth considering, and I think option 1 would probably have a big impact on compilation time (except of course that it implies a good fragmentation of the project with few interdependancies, which isn't always easy). My only recommendation would be to use precompiled headers. My 800 form project used to take about 45 minutes to compile. Now it takes 600-700 seconds. In other smaller projects, the speed increase was also dramatic, going from about 500 seconds to sometimes less than a minute. If you haven't done this, it's worth a try. -- Best regards, Jonathan Neve _______________ CopyTiger - advanced database replicator for Interbase/Firebird! Web : http://www.microtec.fr/copycat/ct _______________________________________ CopyCat - database replication components for Delphi/C++Builder! Web : http://www.microtec.fr/copycat/cc Back to top Carlos Guest Posted: Thu Dec 22, 2005 11:25 am    Post subject: Re: Suggestions for a large projects Thank you for your suggestions "Matthew Jones" <matthew (AT) matthewdelme-jones (DOT) delme.com> escribió en el mensaje news:memo.20051222101519.3092F (AT) nothanks (DOT) nothanks.co.uk... Quote: Not sure what this is doing in a Delphi newsgroup, but obviously using Delphi would make it a lot faster. 8-) Assuming you have the precompiled headers all sorted out, the easiest way to speed things up is to use ".lib" libraries. I used to put things that weren't changed much in libraries so they would just link in and not need a recompile. /Matthew Jones/ Back to top Carlos Guest Posted: Thu Dec 22, 2005 12:07 pm    Post subject: Re: Suggestions for a large projects I am receiving errors when I compile with "use precompiled headers" The last error is "Unable to scan program´s header" but If I have been built the project the last minute !. thank you for your help "Jonathan Neve[Microtec]" <jonathan (AT) microtec (DOT) fr> escribió en el mensaje news:xn0ebahes7cd7q001jmn_microtec (AT) forums (DOT) borland.com... Quote: Hi, Carlos wrote: Hello, I have a large project. It contains ~ 500 forms then when I rebuild the compiling time is for various minutes (C++Builder 6). I am interesed in personal comments for know how could I work more eficient. My ideas: - convert the project in various dll ? - store .obj .dfm etc in database and linking with the MainApp.exe at runtime ? (Is it possible) I have several projects with between 150 and 300 forms, and one very large project with nearly 800 forms, so I'm quite familiar with this problem. :-/ Your suggestions may be good/worth considering, and I think option 1 would probably have a big impact on compilation time (except of course that it implies a good fragmentation of the project with few interdependancies, which isn't always easy). My only recommendation would be to use precompiled headers. My 800 form project used to take about 45 minutes to compile. Now it takes 600-700 seconds. In other smaller projects, the speed increase was also dramatic, going from about 500 seconds to sometimes less than a minute. If you haven't done this, it's worth a try. -- Best regards, Jonathan Neve _______________ CopyTiger - advanced database replicator for Interbase/Firebird! Web : http://www.microtec.fr/copycat/ct _______________________________________ CopyCat - database replication components for Delphi/C++Builder! Web : http://www.microtec.fr/copycat/cc Back to top Jonathan Neve[Microtec] Guest Posted: Thu Dec 22, 2005 12:45 pm    Post subject: Re: Suggestions for a large projects Carlos wrote: Quote: Thank you for your suggestions I can4t use it: [C++ Warning] DB.hpp(327): W8058 Cannot create pre-compiled header: initialized data in header TField* __fastcall CreateFieldComponent(Classes::TComponent* Owner, TObjectField* ParentField = (TObjectField*)(0x0), AnsiString FieldName = ""); I don4t know that means it. This warning indicates that the headers you're trying to precompile can't be used. Some can, some can't. I'm surprised however that you get that warning for DB.hpp... What you need to do is create a new header file of your own, and put in it the main #include's that you have in your applications (VCL and third-party), and include that header in all units, before the "#pragma hdrstop". It takes a bit of fiddling with, because some headers mysteriously slow down compilation, while others (no less mysteriously) improve the speed significantly. Here's an example of a header file I use: //---------------------------------------------------------------------- #ifndef headersH #define headersH //---------------------------------------------------------------------- #include <Classes.hpp> #include <Controls.hpp> #include <StdCtrls.hpp> #include <Forms.hpp> #include <ComCtrls.hpp> #include <Menus.hpp> #include <ExtCtrls.hpp> #include <Buttons.hpp> #include <DBTables.hpp> #include <DB.hpp> #include <DBGrids.hpp> #include <DBCtrls.hpp> #include <Graphics.hpp> #include <QuickRpt.hpp> #include <QRExpr.hpp> #include <QRCtrls.hpp> #include <Tabs.hpp> #include <Dialogs.hpp> #include <Mask.hpp> #include "Grids.hpp" #include <ImgList.hpp> #include "RXDBCtrl.hpp" #include "RxQuery.hpp" #include "MemTable.hpp" #include "RxLookup.hpp" #include "EsLabel.hpp" #include "EsGrad.hpp" #include "EsMarque.hpp" #include "EsMnuBtn.hpp" #include "EsBase.hpp" #include "FIBDatabase.hpp" #include "pFIBDatabase.hpp" #include "SIBEABase.hpp" #include "SIBFIBEA.hpp" #endif Furthermore, the best thing is to check the "Cache precompiled headers" option in Project->Options, and give it an arbitrary file name to cache the precompiled headers in (I usually use the project name followed by ".PCH"). Hope this helps. -- Best regards, Jonathan Neve _______________ CopyTiger - advanced database replicator for Interbase/Firebird! Web : http://www.microtec.fr/copycat/ct _______________________________________ CopyCat - database replication components for Delphi/C++Builder! Web : http://www.microtec.fr/copycat/cc Back to top Jonathan Neve[Microtec] Guest Posted: Thu Dec 22, 2005 12:47 pm    Post subject: Re: Suggestions for a large projects David Perkins wrote: Quote: I can´t use it: [C++ Warning] DB.hpp(327): W8058 Cannot create pre-compiled header: initialized data in header TField* __fastcall CreateFieldComponent(Classes::TComponent* Owner, TObjectField* ParentField = (TObjectField*)(0x0), AnsiString FieldName = ""); Things like that are not usually the cause of this error. Typically, I've found that third-party .hpp files include math.hpp which initialises some data in the header. Exactly. But many don't, so it's worth trying out all the third-party libraries you use, to be sure whether you can precompile them or not. One thing's for sure, if you get this warning, there's no point going on, there won't be any speed increase. -- Best regards, Jonathan Neve _______________ CopyTiger - advanced database replicator for Interbase/Firebird! Web : http://www.microtec.fr/copycat/ct _______________________________________ CopyCat - database replication components for Delphi/C++Builder! Web : http://www.microtec.fr/copycat/cc Back to top David Perkins Guest Posted: Thu Dec 22, 2005 1:28 pm    Post subject: Re: Suggestions for a large projects Quote: I can´t use it: [C++ Warning] DB.hpp(327): W8058 Cannot create pre-compiled header: initialized data in header TField* __fastcall CreateFieldComponent(Classes::TComponent* Owner, TObjectField* ParentField = (TObjectField*)(0x0), AnsiString FieldName = ""); Things like that are not usually the cause of this error. Typically, I've found that third-party .hpp files include math.hpp which initialises some data in the header. 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