Tagged Questions
6
votes
3answers
784 views
BackgroundWorker vs. Async/Await
I am new to C# development and wish to create a more responsive UI. In my preliminary research, I have seen two methods for achieving this:
Multi-threading in conjunction with the BackgroundWorker ...
1
vote
2answers
445 views
Multitasking in C#
I would like to use a timer in my C# program with millisecond accuracy to keep a camera in sync with some events and keep shooting a picture every 250ms (or 1/4 sec, or I might adjust it to even ...
0
votes
1answer
139 views
How to create a Request Specific Thread Safe Static int Counter?
In one of my server application I have a class that look like,
class A
{
static int _value = 0;
void DoSomething()
{
// a request start here
_value = 0;
_value++;
...
3
votes
4answers
623 views
Difference between Atomic Operation and Thread Safety?
From the discussion I've seen it seems that atomic operation and thread safety are the same thing, but a lot of people say that they're different. Can anyone tell me the difference if there is one?
0
votes
0answers
139 views
Using Interlocked.Exchange(ref Enum, 1) to prevent re-entrancy [closed]
What options do I have for pending work that can't acquire a lock via the following sample?
System.Threading.Interlocked.CompareExchange<TrustPointStatusEnum>
(ref tp.TrustPointStatus, ...
3
votes
2answers
202 views
I have data that sends in “bursts” of 100 records with a significant delay. How do I structure my classes for multithreading?
My datasource sends information in 100 batches of 100 records with a delay of 1 to 3 seconds between batches.
I would like to start processing data as soon as it's received, but I'm not sure how to ...
5
votes
3answers
314 views
Naming Convention for Dedicated Thread Locking objects
A relatively minor question, but I haven't been able to find official documentation or even blog opinion/discussions on it.
Simply put: when I have a private object whose sole purpose is to serve for ...
4
votes
1answer
314 views
Reading and conditionally updating N rows, where N > 100,000 for DNA Sequence processing
I have a proof of concept application that uses Azure tables to associate DNA sequences to "something".
Table 1 is the master table. It uniquely lists every DNA sequence. The PK is a load balanced ...
3
votes
1answer
165 views
Parallel Threading in Multi-Language Software?
I'm developing a software that contain many modules/Daemon running in parallel manner, what i'm looking for is how to implement that, i cannot use Thread because some of those modules/Daemon are ...
1
vote
1answer
353 views
Clients with multiple proxy and multithreading callbacks
I created a sessionful web service using WCF, and in particular I used the NetTcpBinding binding. In addition to methods to initiate and terminate a session, other methods allow the client to send to ...
0
votes
1answer
1k views
Is this a good use for ThreadPool.QueueUserWorkItem?
I have an application that, among other things, imports documents, then emails necessary parties to let them know that a document has been imported.
It turns out that determining whom to email, then ...
4
votes
1answer
429 views
Need to process 2 million 100k messages per second and route them to a particular event, delegate or multicast delegate
I need to process 2 million messages per second (perhaps in a scale out configuration) and route each message to a N delegates or multicast delegates.
Question
How should I structure my application ...
4
votes
2answers
1k views
Looking for a distributed locking pattern
I need to come up with a custom recursive object locking mechanism\pattern for a distributed system in C#. Essentially, I have a multi-node system. Each node has exclusive write permissions over ...
16
votes
2answers
456 views
Why does shared state degrade performance?
I've been working under the share-nothing principle of concurrent programming. Essentially, all my worker threads have immutable read-only copies of the same state which is never shared between them ...
3
votes
1answer
206 views
What are the relative merits for implementing an Erlang-style “Continuation” pattern in C#
What are the relative merits (or demerits) for implementing an Erlang-style "Continuation" pattern in C#. I'm working on a project that has a large number of Lowest priority threads and I'm wondering ...
12
votes
3answers
3k views
How will C# 5 async support help UI thread synchronization issues?
I heard somewhere that C# 5 async-await will be so awesome that you will not have to worry about doing this:
if (InvokeRequired)
{
BeginInvoke(...);
return;
}
// do your stuff here
It looks ...
10
votes
6answers
1k views
Solutions to C# 5 async re-entrancy
So, something's been bugging me about the new async support in C# 5:
The user presses a button which starts an async operation. The call returns immediately and the message pump starts running again ...
5
votes
2answers
595 views
Is there such a thing as too much asynchronous code?
I am at the moment messing around with clients and servers in C# winforms and I'm trying to implement it all asynchronously. However, I'm beginning to wonder, should I use asynchronous code for ...
7
votes
3answers
7k views
Multi-threading in C# .NET Windows Service
I am writing a Windows Service (using C# .NET 3.5 VS2008) and my requirement is:
When the Windows Service start - it performs record check operation (in Database) @ every 30 second interval (I have ...
11
votes
8answers
505 views
Can anyone suggest a project for me write to help me understand threading
I am currently a C# developer with a pretty shaky understanding of threading.
Both of these links have been suggested in other posts:
http://www.yoda.arachsys.com/csharp/threads/
...
12
votes
4answers
1k views
Is It “Wrong”/Bad Design To Put A Thread/Background Worker In A Class?
I have a class that will read from Excel (C# and .Net 4) and in that class I have a background worker that will load the data from Excel while the UI can remain responsive. My question is as follows: ...
