473,748 Members | 2,461 Online
Bytes | Software Development & Data Engineering Community
+ Post

Home Posts Topics Members FAQ

Static libraries producing slow code in VC7/8


This has happened to me a few times now, and I NEED to figure out why
the heck this happens.

I have a project which I compile into a Win32 DLL, with C exports.

Calling the one function in that DLL I need takes approximately 200
milliseconds.

I then compile it into a static library, and link it into the
application.

That same function now takes 1000 milliseconds.

What could possibly be causing this???

I don't change any other settings, etc...and just can't imagine what it
could possibly be.
--
Singular
------------------------------------------------------------------------
Singular's Profile: http://www.hightechtalks.com/m920
View this thread: http://www.hightechtalks.com/t2355479

Feb 8 '06 #1
0 937

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

3
3610
by: DanielBradley | last post by:
Hello all, I have recently been porting code from Linux to cygwin and came across a problem with static const class members (discussed below). I am seeking to determine whether I am programming non-standard C++ or if the problem lies elsewhere. To summarize static const class members are not being accessed properly when accessed from a DLL by another external object file (not within the DLL). It only occurs when the static const...
3
2236
by: Steven T. Hatton | last post by:
Sorry about the big code dump. I tried to get it down to the minimum required to demonstrate the problem. Although this is all done with GNU, I believe the problem I'm having may be more general. Someone on the SuSE programming mailing list suggested my problem is that I'm trying to execute a function (I assume he meant the constructor) at compile time. The same source code compile if I don't try to split it up into separate libraries. ...
3
3832
by: iceColdFire | last post by:
Hi, Can someone highlight the difference between static library and bynamic library...and how do .lib and .dll files come up in the picture... Thanks, a.a.cpp++ :-)
27
2290
by: Matt Kruse | last post by:
Since this topic has come up several times in other threads, I thought I'd make a separate thread and gather opinions from (hopefully) a more varied range of newsgroup participants. What are your thoughts on the development and use of generalized, reusable javascript libraries? Discussion points: 1) Is the overhead of a 25k (for example) .js file too much for a typical
1
2541
by: rajesh_krec | last post by:
Hello Everybody, I'm using Microsoft Visual Studio .NET 2003 (with Vc7 compiler) I have some 15 projects each of which generate a static library when i build the solution in release mode. The solution also contains a project which includes all the above generated static libraries.I have set all the above projects as dependent projects in the 'Project Dependencies' option.
11
3842
by: Kevin Prichard | last post by:
Hi all, I've recently been following the object-oriented techiques discussed here and have been testing them for use in a web application. There is problem that I'd like to discuss with you experts. I would like to produce Javascript classes that can be "subclassed" with certain behaviors defined at subclass time. There are plenty of ways to do this through prototyping and other techniques, but these behaviors need to be static and...
6
10382
by: =?Utf-8?B?R29yZG8=?= | last post by:
Hello everyone, I've been trying for some time now to move to C++/CLI, but I have several large legacy C++ static libraries I need to use. When I set up a simple solution with a C++/CLI Winforms app and a C++ native static library, they work well together _unless_ I have, it seems, any static variables defined in any function in the native library. The libraries I'm trying to use all have Meyers Singletons in them, so they need to have...
6
5619
by: Even | last post by:
Hi all, As far as I know, relative address will be assigned by program at link time.Right? Ok, here we go. So if we use a static library, it will give the program an relative address(i mean the function address) at link time. Also the code of the library will load into the program. Go on. Now if we use a dynamic library, what it will give the program?
0
2204
by: abarun22 | last post by:
HI I am new to SWIG & Python and right now i am in the process of wrapping some "C" functionalities present in a static library for python. I do have my C file "name.c" which just contains some helper functions. I tried to link my object files (e.g name.o & name_wrap.o) with the static libraries (whose functionalities need to be wrapped) to form a shared library that can be imported from Python. While doing so i cannot be able to access...
0
8995
marktang
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look ! Part I. Meaning of...
0
9558
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed. This is as boiled down as I can make it. Here is my compilation command: g++-12 -std=c++20 -Wnarrowing bit_field.cpp Here is the code in...
0
9378
jinu1996
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth. The Art of Business Website Design Your website is...
1
6798
isladogs
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules. He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms. Adolph will...
0
6077
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert into image. Globals.ThisAddIn.Application.ActiveDocument.Select();...
0
4608
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols. I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
0
4879
by: adsilva | last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
1
3316
by: 6302768590 | last post by:
Hai team i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
2
2791
muto222
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.