Top "Hyperthreading" questions

In a hyperthreaded CPU, for each processor core that is physically present, the operating system addresses two virtual or logical cores, and shares the workload between them when possible.

assign two MPI processes per core

How do I assign 2 MPI processes per core? For example, if I do mpirun -np 4 ./application then it should use 2 …

openmpi affinity hyperthreading
How to Disable Hyper-V and install HAXM in Windows 8

I am trying to install HAXM for android studio but it is showing error: Now my system has VT-x enabled: …

android android-emulator intel hyperthreading haxm
How to check whether Hyper Threading is enabled or not in Ubuntu?

I am using the Ubuntu. How can I check whether Hyper Threading is enabled or not. And if it is …

linux ubuntu hyperthreading
c# Environment.ProcessorCount does not always return the full number of Logical Processor, why?

On my machine, windows 7 - Enterprise with 1 x Intel Xeon E5-1660 0 @ 3.30Ghz (6 cores/cpu with Hyper Threading activated), Environment.…

c# cpu server core hyperthreading
Impact of hyperthreading on compiler performance?

Say we want to compile a large project (say GCC or the Linux kernel) as fast as possible. Does a …

performance compilation hyperthreading
Can two processes simultaneously run on one CPU core?

Can two processes simultaneously run on one CPU core, which has hyper threading? I learn from the Internet. But, I …

cpu-architecture multicore multitasking hyperthreading
Single-CPU programs running on Hyper-Threading-enabled quadcore CPU

I'm a researcher in statistical pattern recognition, and I often run simulations that run for many days. I'm running Ubuntu 12.04 …

hyperthreading
Does hyperthreading lead to unstable systems?

I'm building a PC with the new Intel I7 quad core processor. With hyperthreading turned on it will report 8 cores …

intel hyperthreading
Enable Intel Hyperthreading in Java

I have a multithreaded program running on a quad-core Intel i7. When I execute Runtime.getRuntime.availableProcessors(), I get 8, and …

java multithreading hyperthreading