Questions tagged [multi-threaded]
60 questions
12
votes
2 answers
How does an atomic operation guarantee consistency from a hardware perspective?
As far as I know, an atomic instruction makes sure that when it is executed, no other threads can modify that data (just like a critical section). Am I correct?
How is this implemented in hardware?
How does hardware guarantee this? (Does the…
Mike Wang
- 139
9
votes
3 answers
Can Acrobat 11 be made to do OCR using multiple CPU cores?
OCR processing takes time. Using multiple CPU cores would speed up processing. Acrobat 10 was not a multithreaded application. How about Acrobat 11? Does 11 by default do OCR using multiple CPU cores (if available)? If not, are there any…
tarcman.
- 151
6
votes
1 answer
Is Firefox 57 multithreaded?
According to Multiprocess Firefox on MDN, Firefox 57 finally runs things in different processes.
So is Firefox 57 multithreaded?
In particular, how many cores does it use at most? Say I open 20 tabs at once on a quad-core machine, will Firefox 57…
Nemo
- 1,151
5
votes
4 answers
Optimum number of threads while multitasking
I know similar questions have been asked but I think my case is a little bit diffrent.
Let's say I have a computer with 8 cores and infinite memory with a Linux OS.
I have a calculation software called Gaussian that can take advantage of…
gunakkoc
- 109
5
votes
1 answer
pdf viewer / reader with multi-core support?
Which pdf reader/viewer supports more than one core to render and search through pdf files?
evince does not
okular does not
Adobe Reader does not
Xpdf crashes on all my tested pdf documents (scientific papers and presentations) ⇒ does not
epdfview…
erik
- 2,028
3
votes
2 answers
How slow is the x86 single-step debugging feature?
The x86 architecture provides a hardware single-step trap for debugging. How much does it slow down the running program?
If, say, a Linux kernel function was created to do nothing but single step a process, how much slower would that process run? …
Brent Baccala
- 156
3
votes
2 answers
Use all CPUs when creating archives on Linux
Today I wanted to create a backup from a folder on a server with 16 CPUs. I started looking for an option that can utilize my hardware to archive a folder better than how tar does it. Something with multi-thread support probably. I did some research…
Navid
- 131
3
votes
2 answers
Why does a Python script using PyTorch only use 6 out of 12 cores?
I run Whisper on an Intel-Mac with an Intel Core i7-CPU (Whisper doesn't seem to support AMD Radeon GPUs at the moment, hence I use CPU). When I run Whisper on this computer when it otherwise mostly is idle Whisper takes around 500-550 % CPU (1200 %…
d-b
- 956
2
votes
1 answer
What to do with extra prosessor with Windows 8.1 (non-professional)?
My desktop workstation has two quad core processors. I recently installed Windows 8.1, and I found that without the Professional version of Windows 8 you can only use one socket here:
How many physical processors does Windows 8 Support?
So I have a…
Questionmark
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2
votes
1 answer
Launch each Windows Explorer window in a separete process
Win7 Win64. I configured Windows Explorer in Tools > Folder Options > View > Launch folder windows in a separate process. It is checked, to make sure I rebooted Windows and it was still checked.
Still, if I open a lot of Windows Explorer windows,…
Hikari
- 327
2
votes
1 answer
How do I disable multithreaded calculation in Excel 2010 - as a permanent setting (without needing to set it on a worksheet)
I need to be able to have excel 2010 open (in windows 7 if it makes a difference) and have this setting defaulted to off.
I've tried unchecking the box and closing excel, saving the setting on the default book.xltx, logging off and back in…
Irfy
- 785
2
votes
1 answer
Why does it matter whether a connection's speed is unstable when choosing between a single- or multi-threaded connection on Ookla's speedtest?
On Ookla's speedtest--on their website or app--users have the option of picking between a single-threaded or multi-threaded connection when doing a speed test.
According to this source:
Some connections cannot achieve full speed from a single…
2
votes
2 answers
Core i7 on linux loses its multithreading capability after suspend
On my debian-linux system, with a core i7 920 , each time I resume after the command "pm-suspend" (suspend to RAM), mutlithreading capabilities almost disappear. More specifically, two distinct programs can use 2 distinct cores at full rate, but a…
rafak
- 161
2
votes
1 answer
Is it possible to treat a thread as a core in QEMU?
When using a multi-threaded CPU, is it possible to treat a thread as a core to have double the available cores to the guest OS?
Daniel41550
- 258
2
votes
0 answers
How many CPU cores can Firefox Quantum utilize?
I have a webapp that is very CPU intensive (multiple nested loops running over large dataset). I could run it in one Firefox tab or distribute the load across multiple tabs (if that's better).
I was thinking of building a new computer and saw that…
JasonH
- 121
- 2