Questions tagged [parallel-processing]
Running multiple commands (or even computers) in parallel for more efficiency.
11
questions
23
votes
5
answers
176k
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?
16
votes
5
answers
31k
views
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 ...
61
votes
12
answers
59k
views
Can I run my CPU at 100% usage for a long time?
I have a Dell XPS 15 9570, 32 GB ram, 2.2 ghz and 6 cores. When i use an application (The parsim command on MATLAB) (for more details) then my fan starts running fast , during this my PC doesn't seem ...
15
votes
4
answers
17k
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 ...
29
votes
7
answers
56k
views
What's the best way to perform a parallel copy on Unix?
I routinely have to copy the contents of a folder on a network file system to my local computer. There are many files (1000s) on the remote folder that are all relatively small but due to network ...
25
votes
7
answers
27k
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 ...
4
votes
1
answer
1k
views
How do the cores in an AMD Bulldozer module compare to Intel HTT virtual cores and two separate cores, in terms of multitasking performance?
This question is basically an extension of Hyper-Threading and Dual-Core, What's the Difference?
The Bulldozer-based AMD FX processors are marketed as having four, six, or eight cores, but ...
3
votes
3
answers
2k
views
How does a computer sleep/wait without using all of its processing power?
Something I've never quite understood is how a computer can operate without using all of its processing power. (Likely this confusion stems from a dreadful OS class in college.)
As far as I know, a ...
2
votes
2
answers
734
views
Create many tar files from a directory with 500000 files
I have a directory containing around 500k files, and want to slice them into t tar files.
Put formally, let's call the files file_0, ..., file_{N-1}, where N around 500k. I want to create t tar files ...
1
vote
1
answer
455
views
GNU Parallel usage - how get currently passed string to parallel?
I am using GNU parallel and want to understand - how can I get the individual string passed to each parallel command?
As an example, GNU Parallel documentation shows how to move files from the current ...
0
votes
1
answer
8k
views
Is it possible to use GPU to boost performance of computer automatically? [duplicate]
As we all know GPU is a sleeping beast. And we are also familiar with Intel's Turbo Boost technology which is really great.
But, Intel's Turbo Boost technology works only on CPU by overclocking CPU ...