The other day a customer asked me to do capacity planning for their web server farm. I was looking at the CPU graph for one of the web servers that hadHyper-threading switched ONand thought to myself: “This must be quite a misleading graph – it shows 30% CPU usage. It can’t rea...
Therefore, simply use the following command to check the status. $ lscpu | grep Thread Method Three:/sys/devices/system/cpu/smt/active Another way to check the status of Hyper-Threading from the command line is to access the pseudo file located at/sys/devices/system/cpu/smt/active. The co...
You could try to keep MSFS on distinct physical CPU cores (so at most one thread of each physical core), but it sounds like it is already doing that, and should. That said, there's a process context menu item 'CPU Affinity / Disable Hyper-Threading', that will stagger the CPU affini...
Go with at least a $35 Cooler Master Hyper 212 EVO, and consider water cooling with a closed-loop system like Corsair’s H100i GTX if possible. In addition to offering better performance, water-cooled systems are easy to attach to the CPU and allow better motherboard visibility and case ...
line is synchronous, the CPU thread will not reach the kernel call on the second line until the host-to-device transfer is complete. Once the kernel is issued, the CPU thread moves to the third line, but the transfer on that line cannot begin due to the device-side order of execution....
I understand I have to pin program execution to particular CPU core. Let’s assume the CPU is Haswell. I appreciate for some small example of rdpmc usage. For example, the code might looks like this long long get_cycles(){ unsigned int a=0, d=0; int ecx...
Linux has mechanisms to ignore certain cores -- many of these are Linux boot-time options. It is difficult to reliably measure any performance difference between a system with HyperThreading disabled and a system with HyperThreading enabled, but...
So if you happen to have a dual-core Intel processorwithhyper-threading, your OS will see it as a CPU with two physical andfourlogical cores. Without hyper-threading, the number of logical cores would be halved. Simultaneous multi-threading (commonly referred to as SMT) is an AMD technology...
Use a pool of threads. Each of them read from the queue, retrieves a chunk, execute the expensive operation and go back to wait for a new request. The queue must be mutex protected. Don't use more threads than the number of processing units (CPU/Cores/HyperThreads) you have. ...
Threads are virtual cores created through a technology called simultaneous multithreading (SMT) orhyperthreading For example, a 4-core/8-thread processor has 4 physical cores, each capable of handling 2 threads simultaneously. Conclusion Understanding CPU cores is crucial when choosing anew computeror ...