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all groups > dotnet performance > february 2007

BinaryWriter (or streams) slow performance
Posted by Rock2000 at 2/26/2007 12:04:22 PM
I was just playing with some performance problems I had creating a file using a BinaryWriter, and found some seemingly poor performance. I noticed that: 1) Getting the Position of the baseStream of the writer takes more then no-time. Why isn't this cached? 2) Seeking to the same location tha...more >>


Windows only starts in safe mode
Posted by speedracer22a at 2/24/2007 11:26:12 AM
Error loading device driver. NDISHLP.SYS Error 7323: one or more network transport drivers failed to load. Error 2183: The default network services have already been started. System properties- Performance: All drives are using MS-DOS compatability mode file system. Upon reboot z:vvinesd.386 N...more >>

System.Diagnostics.Trace.WriteLine
Posted by Ollie Riches at 2/22/2007 12:00:00 AM
Just wonder what the cost of using the API System.Diagnostics.Trace.WriteLine() is? Infact does anyone know how this works internally - are all calls to the API processed asynchronously by another thread and does it use some form of a queue internally. I guess this uses the win32 api 'Ou...more >>

too many dll's referenced?
Posted by Dav at 2/20/2007 9:27:12 PM
I would like to implement my business logic in multiple dll's, strong name and install them in the GAC so multiple web applications can use them. There could be 10 or so different dll's with each related to a different business functionality. My question is whether there are any performance ...more >>

Use of disk during XmlDocument.Save
Posted by Pegasusuk at 2/20/2007 6:40:30 AM
Hi - hope someone out there can help settle a discussion here... We have an Xml file, that is loaded using XmlDocument.Load. Some work is done on it, then we call XmlDocument.Save to shove it back out to file. We are having a discussion here about wether the save opens the existing file, wr...more >>

Accessing Property values vs private variables
Posted by JerryWEC at 2/19/2007 6:00:12 PM
Hi All! I'm trying to get a feel for the speed disadvantage of using the property get vs using the private variable for the property. I'm wondering if using the private variable for the property is faster than using the property get internally within the class itself. I have started gettin...more >>

Process Memory Limitation - IIS
Posted by Rasheed at 2/15/2007 7:50:42 AM
We have distributed application built upon .NET 2.0. The business components are exposed as Web Services. Some of the Business Components involves in heavy processing and occupies more RAM. It appears there is a memory limitation of 4 GB per process and we are not sure if we have to further ...more >>

Private Bytes vs Virtual Bytes
Posted by Prasanna Padmanabhan at 2/14/2007 2:07:06 PM
Can someone explain to me in detail the difference between thse two counters? From what I understand, private bytes does not include any shared memory (eg: shared dlls b/w 2 processes). But what about virtual bytes? Is Virtual bytes the same as Private bytes + <DLLs in this proceeses virtua...more >>



Performance - 'Execution performance' vs 'Startup performance'
Posted by Markus Eßmayr at 2/13/2007 4:34:42 PM
Hello! Performance is a very important word in the world of computing. Writing beautiful and very readable code may help to improve the developers 'coding performance' but it not always results in good 'execution performance' of applications. But, well, ther are lots of articles discussing ...more >>

Re-accuring bank drafts
Posted by BuddyB34 at 2/13/2007 9:10:02 AM
I am attempting to add a re-accuring bank draft to my register but have only found that Money wants to pay it automatically online. How do I enter this in my register? I have been a Quicken used since its inception and find it easier to manage. Also how am I to select a discussion group fr...more >>

Combobox performance
Posted by Fad at 2/13/2007 7:23:37 AM
I've measured the execution time of the following code, and it's variable from 0,5 sec to 1 sec.. How I can improve performance..? for (int i = 0; i < 8; i++) { myCombobox1[ i ].Items.Clear(); myCombobox1[ i ].Items.AddRange(stringArray1); myCombobox2[ i ].Items...more >>

Can ASP.NET 1.1 apps co-exist with ASP.NET 2.0 on the same server?
Posted by jonefer at 2/12/2007 12:59:01 PM
It would seem that if a server has the flexibility to set 'PER SITE' the version of ASP.NET, that it would be able to have applications that co-exist in different versions -- Is this a safe assumption? If so, what must our server-guys be doing to appropriately 'isolate' the apps from bein...more >>

EventHandlers and GC
Posted by Mads Hansen at 2/11/2007 11:54:00 PM
Hi, I have an Object of "Class1" that has a Event called "EventOccured" I want to Dispose this object and make sure it's ready to be collected by GC and I have this question: Do I have to manually clear the Invocation list of the event before it will be collected? Will a handler to this e...more >>

slow running laptop
Posted by kpn44 at 2/8/2007 4:56:00 PM
I have a Fujisu siemens laptop, windows xp home. It takes 10+mins to load up and now mouse clicks take up to 15 seconds to activate. I have McAfee running my virus scanning etc, i have tried the deleting cookies, history etc, looked at processes running - 80 - 90% of CPU time is with system id...more >>

Runtime Performance Configuration Settings
Posted by robin9876 NO[at]SPAM hotmail.com at 2/6/2007 4:01:39 AM
In Microsoft Knowledgebase article 821268 (http:// support.microsoft.com/?id=821268 ) there are some configuration settings for .net v1.1 Are these the same in v2 or are their additional options? For an application which has a .Net v2 windows form application on client pc's and connects to ...more >>


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