Another cause for the low speedup is the use of hyperthreading technology.
The technology, known as hyperthreading, effectively fools the software into thinking that two separate chips are working on solving the problem.
Each CPU has 4 physical cores, but since the processor is also equipped with hyperthreading so the operating system is presented with 8 virtual (logical) cores.
"Intel in its wisdom has been encouraging companies to adapt their software for hyperthreading, and the software interface for hyperthreading is almost identical to that for multi-core chips".
Simultaneous multithreading (of which Intel's HyperThreading is the best known) was an early form of pseudo-multicoreism.
The lawsuit also includes a technology known as hyperthreading, which permits the Pentium 4 to run multiple tasks efficiently.
However, due to the bad results obtained with hyperthreading shown in Section 7, only the real processors have been used instead of the virtual ones.
"The longer Intel waits, the more software works with hyperthreading," says Kevin Krewell Kevin Krewell, analyst at InStat/MDR, a research firm in San Jose, Calif.
If is set, and the host is hyperthreaded, this will be twice the number of threads; i.e. for a sequential app it will be 2.
The Z550 extends the performance of the MID product line to 2GHz with Intel Hyperthreading technology support, setting a new standard for the highest performance processor in the under-3-watt power envelope.
