Running multiple commands (or even computers) in parallel for more efficiency.

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5answers
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Is a higher core count or higher clock speed more beneficial to a computer's performance? [closed]

With lowering silicon costs and rising consumer needs, manufacturers seem to be pushing one of two things: clock speed and/or core count. With the way things are going, it doesn't seem that clock ...
4
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1answer
735 views

Parallel processing slower than sequential?

EDIT: For anyone who stumbles upon this in the future: Imagemagick uses a MP library. It's faster to use available cores if they're around, but if you have parallel jobs, it's unhelpful. Do one of ...
0
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1answer
47 views

How to find out whether libav is built on MPI/LAM?

Just what the title states ; I expect to be doing a touch of audio cleanup/format switching. My plan is to try to do this with libav. Apparently such processing is fairly intensive; hence I would like ...
1
vote
1answer
109 views

Channelling processing power from Linux servers over a gigabit LAN to Macintosh system

As you may know Apple offers a program called Xgrid for sharing processing power between Macs. It also allows for easy clustering. Is there a way to channel processing power from Linux nodes over a ...
2
votes
1answer
282 views

Simulink - running parallel simulations

Is it possible to run Simulink calculations in parallel mode on cluster? And if its possible then what actually Simulink do when number of processes that i need is more than cluster has nodes? Thank ...
5
votes
4answers
12k views

Have today's desktop PCs surpassed IBM's Deep Blue of 1997?

I was wondering if my PC has surpassed the processing power of Deep Blue which famously won against the human world champion Garry Kasparov. What was the processing speed of Deep blue as compared to ...
2
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2answers
53 views

Why does F@H not bind to more than one core on Windows?

I have been contributing to Stanford's Folding@Home project for some time with most of the computers I own. I just installed the Windows client on a new machine running Windows 7, but see that the F@...
7
votes
3answers
11k views

netcat as a multithread server

I use netcat to run a simple server like this: while true; do nc -l -p 2468 -e ./my_exe; done This way, anyone is able to connect to my host on port 2468 and talk with "my_exe". Unfortunately, if ...
1
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0answers
77 views

Can I set up PVM in such way that master doesn't start own tasks?

We have a Perceus cluster (Warewulf) consisting of 4-core master and a number of 4-core nodes. I can start PVM on the master and then add all nodes - it works fine. However, there are other guys who ...
9
votes
4answers
10k views

Parallel shell loops

I want to process many files and since I've here a bunch of cores I want to do it in parallel: for i in *.myfiles; do do_something $i `derived_params $i` other_params; done I know of a Makefile ...
7
votes
3answers
5k views

Kill process after it's been allowed to run for some time

I want to limit the time a grep process command is allowed to run or be alive. For example. I want to perform the following: grep -qsRw -m1 "parameter" /var But before running the grep command I ...
12
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7answers
9k views

Running commands in parallel with a limit of simultaneous number of commands

Sequential: for i in {1..1000}; do do_something $i; done - too slow Parallel: for i in {1..1000}; do do_something $i& done - too much load How to run commands in parallel, but not more than, for ...
9
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5answers
55k views

Is it possible to combine processing power of 2 computers?

Here are a few questions, I wish you could enlighten me. Is it possible to combine processing power of 2 computers? How do I do it?
0
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3answers
420 views

Size of L1 cache memory on T9600 CPU

I want to know the size of the l1 cache memory for my processor T9600 I visited Intel website for the specification of the processor but couldn't get the needed information. Any one help me thank you ...
2
votes
4answers
548 views

Intel Core 2 duo / AMD athlon X2 parallel processing capability

Does Intel Core 2 duo/ AMD athlon X2 really have 2 separate processors? i.e are they capable of doing real parallel processing? What I don't understand is the difference when somebody says Cores or ...
1
vote
1answer
244 views

Modern CPU for highly concurrent server applications? [closed]

I am looking for a hardware, which must run about 256 computationally intensive real-time concurrent tasks in 24 hour mode. Each task takes about 40-50 MFLOPs, so all tasks require about 10 GFLOPs. ...