From the CPU’s perspective, a thread (short for “thread of execution”), is merely an ordered sequence of instructions that tell the computer what to do. In most of my articles on Ars and in my book, I ...

A friend of mine was harping on about it recently and wouldn't listen when I said it won't help much. I've never used it, and never used something like it. The idea that "random programmer" on the ...

Hyper-Threading is one of those concepts that's been around a long time, and which everyone takes for granted. Despite that, relatively few enthusiasts really understand how it works or what the point ...

With the latest Windows Release Preview, Microsoft is fixing a problem that has persisted for years: Its Task Manager CPU ...

A new side-channel vulnerability has been discovered called PortSmash that uses a timing attack that to steal information from other processes running in the same CPU core with SMT/hyper-threading ...

You can easily keep tabs on what's running on your Mac and get things running smoothly by using Apple's Activity Monitor. Here's how to get started. Most applications running on UNIX-based systems are ...