In the late 1990s, the idea of executing instructions from multiple threads simultaneously, known as simultaneous multithreading, has reached desktops with Intel's Pentium 4 processor, under the name hyper threading.
The idea of executing instructions from multiple threads simultaneously has reached desktops with Intel's Pentium 4 processor hyper threading. This was under the name. This was in the late 1990s. The idea of executing instructions from multiple threads simultaneously is known as simultaneous multithreading.