Hyper-Threading Technology is a form of simultaneous multithreading technology introduced by Intel, while the concept behind the technology has been patented by See more

The first published paper describing what is now known as hyper-threading in a general purpose computer was written by Edward S. … See more

According to Intel, the first hyper-threading implementation used only 5% more die area than the comparable non-hyperthreaded processor, but the performance was 15–30% better. Intel claims up to a 30% performance improvement … See more

When the first HT processors were released, many operating systems were not optimized for hyper-threading technology (e.g. Windows 2000 and Linux older than 2.4).
In 2006, hyper-threading was criticised for energy inefficiency. … See more

In May 2005, Colin Percival demonstrated that a malicious thread on a Pentium 4 can use a timing-based side-channel attack to monitor the memory access patterns of another thread with which it shares a cache, allowing the theft of cryptographic information. This is … See more

• Barrel processor
• Computer multitasking
• Multi-core processor See more

• Intel Demonstrates Breakthrough Processor Design, a press release from August 2001
• Intel – high level overview of Hyper-threading See more