Questions tagged [hyper-threading]
A technology by Intel to increase processor throughput, by adding independent logical processing units in each core (and thus exposing two times the number of cores to the operating system).
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How does the Windows 10 scheduler deal with Hyper Threading since Core Parking is disabled by default for Intel CPUs?
I'm running Windows 10 (1607) on an Intel Xeon E3-1231v3 CPU (Haswell, 4 physical cores, 8 logical cores).
When I first had Windows 7 installed on this machine, I could observe that four out of eight ...
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How to assign physical cores to a single process on Fedora?
I m having a Python script where the overhead of parallelization per added threads is above the maximal performance benefit of hyperthreading.
But setting the number of threads at half the number of ...
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Can I tell how much multi-threading I'm using each day?
Is there a way to determine (or even better, to log) how much benefit I'm getting from my computer's multi-threading capabilities?
Background: My higher-ups are proposing to give me and my team new ...
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Disable hyperthreading on MacPro Xeon
We need to disable hyperthreading on several MacPros.
We have just two types of Macs - Dual QuadCore 2.4 "Westmere" and single CPU SixCore 3.66 "Westmere". All machines run 10.6.8
For some strange ...
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Setting different frequency policies for sibling cores with SMT
On a processor that supports simultaneous multithreading, of which I no longer have any for testing, what would happen if only one or some of a physical core's logical core has a frequency policy ...
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Windows - Metatrader 4 (32bit) - Freezing issues! Hypertreading? SingleCore overloading?
Ive been breaking my head on this issue for a while and i realy need some guidance. I think i might have solved it but i want to understand what the issue is if i need to upgrade or expand my system.
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Turning off Hyperthreading in Windows 10 in Gigabyte P57 Laptop
I don't see an option for hyperthreading or HT in my bios even though I know hyperthreading is enabled. How can I disable it? Here's the screenshots from all the BIOS tabs:
*What is the solution, if ...
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How to log/get a report on threading performance in Windows?
So with programs like Process Explorer and Process Hacker you can see what the individual threads from a given process are up to. However as far as I can tell its just an active monitor with no way to ...
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How should I interpret this /proc/cpuinfo data?
I'm using Intel Xeon E5-2620 processor. There is something I'm confused about. I'm using Linux and in /proc/cpuinfo it says:
model name : Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
According to the ...
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How does vCPU topology (sockets / cores / threads) affect computing performance of a VM?
I have an Ubuntu host with an AMD Matisse processor (12C 24T). When launching virtual machines using libvirt (QEMU+KVM), there's the option to set CPU topology.
Almost all consumer PCs have single-...
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How much do IDEs take advantage of multiple CPU cores?
So, how much do IDEs, for instance Android Studio or Eclipse, take advantage of multiple threads and CPU cores? That is, how much faster do they run on, say, a quad-core CPU compared with a dual-core ...
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How to turn off hyperthreading on hp z230 Win7 32bit
I have a legacy application that when ported to this new HP desktop exhibits performance errors. I need to disable hyper-threading on this desktop. It has an Intel I5-4095 quad core processor. The ...
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Virtualbox with i7-4790 one thread per virtual machine
I’m considering buying an Intel Core i7-4790, which has 4 cores and 8 threads.
With a 4 core, 8 thread CPU you should see 8 CPU available in the green slider area; see picture below. I set the slider ...
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Cores and threads - Performance
I wonder if a 4 core/8 thread cpu will perform better than a 4 core/4 thread cpu.
If the answer is yes; How much better will a 4/8 perform?
EDIT: What if its for running 4 single threaded apps?
And ...
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Hyperthreading load
Would loading all threads on a hyper-threading enabled cpu (e.g. core i7 dual core with 2 threads per core) be (in this case) double the load the cpu? To clarify, lets say I have a dual core cpu with ...
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How can I decide real vs virtual cores if i need intensive calculus?
Assume that I have a computer called A with a processor that has two cores and has hyperthreading, i.e it has 2 cores with 4 threads (I understand that this can supply to 4 processes simultaneously), ...
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Pstate (underclock) on single core hyperthreaded cpu
In Ubuntu, I can underclock the CPU using the CPU freq applet. My netbook is a Intel atom n270, basically single core with 2 "virtual cores" due to hyperthreading. I can underclock one of these ...
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How does a CPU with 2 core or more works and hyperthreading
I got a little confused,when there is 2 cores or more to a CPU does it mean that two processes can run on those cores or two different threads?.When there is hyper-threading does two threads run the ...