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Re: How to write a dll using Ultimate++? [message #11653 is a reply to message #11508]

Thu, 20 September 2007 16:57

Novo
Messages: 1432
Registered: December 2006

Ultimate Contributor

luzr wrote on Sun, 16 September 2007 02:25

Well, AFAIK, you cannot with MSC.

Check that with *Dependency Walker* yourself. I've attached an example.

Quote:

Using of a function, which returns a pointer to data, is another solution.

Yes. Anyway, in some cases, this leads to much slower code. E.g. look into Core/Charset.h, to the set of definitions starting with IsLetter (there are two paths; for SO version you cannot use the inlines).

Mirek

Call to a function in DLL will always be a little bit slower. Same as with virtual functions. As usual, I have a test for this ...

Pointer to a function performance tests ...

Raw function: 0 sec.
Raw pointer to a function: 0.421 sec.
Boost.Function: 0.938 sec.
FastDelegate: 0.797 sec.

Pointer to a function in DLL performance tests ...

Raw function: 0.578 sec.
Raw pointer to a function: 0.594 sec.
Boost.Function: 0.937 sec.
FastDelegate: 0.75 sec.

Method call performance tests ...

Method call: 0 sec.
Raw pointer to a method: 0.391 sec.
Boost.Function: 0.719 sec.
FastDelegate: 0.406 sec.

Method call in DLL performance tests ...

Method call: 0.578 sec.
Raw pointer to a method: 0.609 sec.
Boost.Function: 0.735 sec.
FastDelegate: 0.578 sec.

Virtual method call performance tests ...

Virtual method call: 0.594 sec.
Raw pointer to a virtual method: 0.562 sec.
Boost.Function: 0.953 sec.
FastDelegate: 0.594 sec.

Virtual method call in DLL performance tests ...

Virtual method call: 0.609 sec.
Raw pointer to a virtual method: 0.563 sec.
Boost.Function: 0.922 sec.
FastDelegate: 0.593 sec.

Attachment: test_dll_data.zip
(Size: 18.04KB, Downloaded 509 times)

Regards,
Novo

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[Message index]

		How to write a dll using Ultimate++? By: Oblivion on Thu, 23 August 2007 13:56
		Re: How to write a dll using Ultimate++? By: mirek on Thu, 23 August 2007 17:37
		Re: How to write a dll using Ultimate++? By: Oblivion on Thu, 23 August 2007 21:51
		Re: How to write a dll using Ultimate++? By: fudadmin on Thu, 23 August 2007 22:36
		Re: How to write a dll using Ultimate++? By: Zardos on Thu, 23 August 2007 22:49
		Re: How to write a dll using Ultimate++? By: Oblivion on Thu, 23 August 2007 23:00
		Re: How to write a dll using Ultimate++? By: fudadmin on Fri, 24 August 2007 00:45
		Re: How to write a dll using Ultimate++? By: Oblivion on Fri, 24 August 2007 13:25
		Re: How to write a dll using Ultimate++? By: Novo on Fri, 24 August 2007 23:23
		Re: How to write a dll using Ultimate++? By: Novo on Fri, 24 August 2007 23:35
		Re: How to write a dll using Ultimate++? By: mirek on Sat, 25 August 2007 00:09
		Re: How to write a dll using Ultimate++? By: fudadmin on Sun, 26 August 2007 01:49
		Re: How to write a dll using Ultimate++? By: Oblivion on Sun, 26 August 2007 03:15
		Re: How to write a dll using Ultimate++? By: mirek on Sun, 26 August 2007 09:29
		Re: How to write a dll using Ultimate++? By: Novo on Mon, 27 August 2007 20:19
		Re: How to write a dll using Ultimate++? By: mirek on Mon, 27 August 2007 20:56
		Re: How to write a dll using Ultimate++? By: Novo on Mon, 27 August 2007 23:27
		Re: How to write a dll using Ultimate++? By: mirek on Sat, 08 September 2007 16:24
		Re: How to write a dll using Ultimate++? By: Novo on Mon, 10 September 2007 19:08
		Re: How to write a dll using Ultimate++? By: Novo on Mon, 10 September 2007 19:34
		Re: How to write a dll using Ultimate++? By: Novo on Tue, 11 September 2007 17:54
		Re: How to write a dll using Ultimate++? By: Novo on Tue, 11 September 2007 23:04
		Re: How to write a dll using Ultimate++? By: Novo on Wed, 12 September 2007 20:15
		Re: How to write a dll using Ultimate++? By: mirek on Sun, 16 September 2007 00:53
		Re: How to write a dll using Ultimate++? By: Novo on Sun, 16 September 2007 04:01
		Re: How to write a dll using Ultimate++? By: mirek on Sun, 16 September 2007 08:25
		Re: How to write a dll using Ultimate++? By: Novo on Thu, 20 September 2007 16:57
		Re: How to write a dll using Ultimate++? By: mirek on Thu, 20 September 2007 21:38
		Re: How to write a dll using Ultimate++? By: Novo on Thu, 20 September 2007 22:16
		Re: How to write a dll using Ultimate++? By: mirek on Fri, 21 September 2007 01:40
		Re: How to write a dll using Ultimate++? By: Novo on Thu, 20 September 2007 22:36
		Re: How to write a dll using Ultimate++? By: mirek on Sun, 16 September 2007 00:54
		Re: How to write a dll using Ultimate++? By: Novo on Sun, 16 September 2007 03:41
		Re: How to write a dll using Ultimate++? By: fudadmin on Thu, 23 August 2007 17:46
		Re: How to write a dll using Ultimate++? By: mr_ped on Fri, 24 August 2007 19:15
		Re: How to write a dll using Ultimate++? By: Novo on Fri, 24 August 2007 23:12

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