4. Concluding remarks

This article has presented the essential hardware features of multi-core processors, whose cores are most often multi-threaded, found in general-purpose processors such as PCs and servers. It does not cover all multi-core processor architectures, which are or will be the subject of specific articles in the collection, including :

• manycores: processors with a very large number of cores, although there is no clear dividing line between multicores and manycores. These processors are still at the stage of industrial or university prototypes, and are generally aimed at specific classes of applications;

• coprocessor gas pedals such as Intel's Xeon Phi ;

• graphics processors (GPUs), which operate in a different mode: SIMT for Single Instruction Multiple Thread.

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