Hyper-Threading Technology is a form of simultaneous multithreading technology introduced by Intel, while the concept behind the technology has been patented by Sun Microsystems. Architecturally, a processor with … See more

The first published paper describing what is now known as hyper-threading in a general purpose computer was written by Edward S. Davidson and Leonard. E. Shar in 1973.
Denelcor, Inc. introduced multi-threading with the 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

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

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