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16
votes
2answers
3k views

When you start multiple threads on a multi core processor, are they guaranteed to be processed by different cores?

I have a Pentium core i5 processor, which has 4 cores. If I do this in a C# console program var t1 = new Thread(Thread1); var t2 = new Thread(Thread2); t1.Start(); t2.Start(); are t1 and t2 threads ...
5
votes
1answer
5k views

What is a user thread and a kernel thread?

I know what a thread is and I know how they work but Im quite confused as to what a 'User Thread' is and what a 'Kernel Thread' is in terms of what they are allowed to do. Can you please clarify what ...
4
votes
3answers
390 views

Building an improvised 'supercomputer' by connecting a number of used PCs in a LAN

I am in ongoing development of a simple but processor intensive computer program that I use for scientific research. It would be really helpful to have more processing speed. Right now I'm running Mac ...
1
vote
2answers
633 views

Building Python 2.7.1 on Mac OS X, import threading and a KeyError Exception

Original Problem: I am building Python 2.7.1 on Mac OS X 10.6.7 and am having issues with a KeyError exception being thrown from the threading module when Python is quit (likely on the atexit call). ...
7
votes
1answer
861 views

Merging threads in Thunderbird [duplicate]

Is it possible to merge threads in Thunderbird? I recently got into a discussion where one person was consistently not using "Reply", but starting new threads. I'd like to merge all such emails into ...
1
vote
1answer
795 views

Which processor/core is this process/service using?

What can i use to monitor which processor/core/thread an application is using? I have 16 processors and want to know which processor a specific application is using. I am running Windows Server 2003 ...
2
votes
1answer
1k views

Does the Windows scheduler allocate equal length quanta to threads?

Is the time slice (quantum) that the Windows Kernel Dispatcher allocates to threads the same length for every thread, or does it base the size of quantum on the priority of the thread like Linux does? ...
8
votes
3answers
4k views

“Manual threading” in Thunderbird?

I use Thunderbird's threaded view of email messages to group emails together which are related. However, sometimes people will reply to messages using some mail program which does not properly set the ...
3
votes
3answers
2k views

How can a single threaded application like Excel 2003 take more than 50% of a hyper-threaded or dual-core CPU in task manager?

I'm waiting for Excel to finish a recalculation and I notice that the CPU usage as reported by Task Manager occasionally spikes to 51% or 52% on a Pentium 4 with hyper-threading. How is a ...
2
votes
5answers
5k views

Combine in- and outgoing mail in Thunderbird in one folder

I have configured Thunderbird with IMAP to an Exchange server. I have an Inbox and a Sent items folder. I can turn on message threads in the views for these folder, but the threads will only show the ...
25
votes
9answers
17k views

Can Mozilla Thunderbird show sent replies in threaded view?

I would like for Thunderbird to show replies to threaded messages in with the received messages. Is this possible, even with an extension? The desired behavior would be something like how Zimbra's ...