Hi, I was wondering if anyone knows whether the JIT compiler supports SSE/SSE2 instructions? Thanks -Andre ...more >>

Hi NG How can I load and save a ArrayList with Strings with best Performance. Wich Methods are the best? In wich Format must I save the ArrayList for best Performance. I will handle a very large ArrayList of Strings and than search with BinarySearch in it. Thomas Bock ...more >>

I was looking for a sorted data structure in .Net that will be the equivalent of "set" or "map" from the C++ STL. I was wondering what kind of balanced trees was used for SortedList since the documentation does not provide details. But with this simple test: Random rand = new Random(); Sor...more >>

Hello!! Please can someone tell me the reason why the following code runs a lot slower in managed C++ than native? Thank you a lot! Best regards, Cesar managed version: public __gc class Teste { int m_a; public: Teste() { } double processa(int cont) { double b = 0...more >>

Hi, Has anyone create a DLL for FFTW that can be used from C#? I was able to compile all the .c files and produce .lib's, but I don't think the .libs I created can be used in C#. I tried to create a DLL from the .lib's, but I couldn't figure out how to make it work. Thanks!!! John...more >>

When troubleshooting sending messages, net framework initialization using Windows 98SE, I receive the following message: C\Windows\Microsoft\Framework\v1.0.375 - mscorwks.dll could not be found. Help!...more >>

Hi there!!! What is the fastest way to communicate between managed and unmanaged code? -- Vadym Stetsyak ICQ 161730125 He, who commands the past - commands the future He, who commands the present - commands the past ...more >>

Hello, what has the better performance and what are you using? Dim myObj As Object = 70 a) Dim myInt As Integer = DirectCast(myObj, Integer) b) Dim myInt As Integer = Convert.ToInt32(myObj) Thanks, Andreas ...more >>

What is the fastest solution to exchange big data fast between two processes in .NET? Thanks in advance, Fabian Gebert...more >>

Is there a good (free) profiling tool available for the CLR (other than the CLR Profiler)? I need to do some measurements :) regards -Andre ...more >>

I have a picturebox that can be resized at runtime and when both the height and the top change the control flickers. I am double buffering the control and using AllPaintingInWmPaint | DoubleBuffer | UserPaint but it is not helping. Thanks in advance, ~Logan ...more >>

I have some large Hashtables, and they seem to be using a lot of memory. For example, a hashtable with ca 850,000 pairs, where both the keys and values are boxed ints, seems to take about 160 bytes/key. (All keys should be shared with other objects in the system; all values should be unique.)...more >>

Hi there, I thought I would send you guys a link to a .NET version of Q2, which is based on the original Q2 source http://www.vertigosoftware.com/Quake2.htm Some comments on it: - This version doesnt use any 3d hardware acceleration at all, which is good, because it's interesting to see t...more >>

I guess this is an FYI rather than a specific question... I've rewritten a process that transfers database data into a web page from ASP and a VB Scriptlet (using ADODB & MSXML2.ServerXMLHTTP) into .NET (using ADO.NET and HttpWebRequest). When checking out the performance increase it's gone ...more >>

Hi all, I need some help with debugging a "deadlock" in a production environment. I've managed to get a crash dump and have tried to analyzed it via WinDbg and SOS. Unfortunately, I am not skilled enough in debugging to pinpoint the exact problem; however, I have narrowed it down to the...more >>

I am using Async delegates to make many RPC calls (each of which will take a max of a couple seconds). This seemed acceptable since the threads aren't really doing much on the local machine (the remote machines are doing all the work). Don't Async delegates actually use the thread pool? Does...more >>

We are a c/c++ shop which has converted our app from c++ to .NET using c#. In the .NET app, we have noticed a serious speed problem in the core calculations that we use for this .NET app. One question is this, has anyone done speed comparisons between C# and C++? Years ago, there was a maga...more >>

I have a server program sits between another server and the client. My server is using Async Sockets with Begin/End Receive. Each EndReceive may provide data that will create many discrete outputs on the client system. (One EndReceive on the server contains data for only one client.) I took...more >>

Hi, the article at http://msdn.microsoft.com/vstudio/using/understand/perf/default.aspx?pull=/l ibrary/en-us/dndotnet/html/vbnstrcatn.asp said that it is a good idea to use StringBuilder for performance reasons. But the tradeoff is to have to use the .Apend method consecutively. So I wrote t...more >>

Is there any documentation on the various performance counters exposed by CLR objects? I just read a posting that jumped into a discussion of gen0 GC counts versus gen1 versuc gen2... arrgh. Sure would be a great help if us mere mortals knew what these counters actually counted! David ...more >>

I have a data structure like this Public structure myStructure Public Name as string Public LastName as string Public Age as Integer End Struct I need to pass this structure as parameter over 3 or 4 functions. I read that the structure is passed by value ( copy of the object...more >>