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A single-core processor is a microprocessor with a single CPU on its die. [1] It performs the fetch-decode-execute cycle one at a time, as it only runs on one thread.A computer using a single core CPU is generally slower than a multi-core system.
In computing, single instruction stream, single data stream (SISD) is a computer architecture in which a single uni-core processor executes a single instruction stream, to operate on data stored in a single memory. This corresponds to the von Neumann architecture.
Ideally, a dual core processor would be nearly twice as powerful as a single core processor. In practice, the performance gain is far smaller, only about 50%, due to imperfect software algorithms and implementation. [93] Increasing the number of cores in a processor (i.e. dual-core, quad-core, etc.) increases the workload that can be handled.
A multi-core processor is a single CPU that contains more than one microprocessor core. This popular two-socket motherboard from Abit was released in 1999 as the first SMP enabled PC motherboard, the Intel Pentium Pro was the first commercial CPU offered to system builders and enthusiasts. The Abit BP9 supports two Intel Celeron CPU's and when ...
A scalar processor is classified as a single instruction, single data processor in Flynn's taxonomy.The Intel 486 is an example of a scalar processor. It is to be contrasted with a vector processor where a single instruction operates simultaneously on multiple data items (and thus is referred to as a single instruction, multiple data processor). [2]
Pentium 4 [3] [4] is a series of single-core CPUs for desktops, laptops and entry-level servers manufactured by Intel. The processors were shipped from November 20, 2000 until August 8, 2008. [5] [6] All Pentium 4 CPUs are based on the NetBurst microarchitecture, the successor to the P6.
The performance of a single-core Atom is about half that of a Pentium M of the same clock rate. For example, the Atom N270 (1.60 GHz) found in many netbooks such as the Eee PC can deliver around 3300 MIPS and 2.1 GFLOPS in standard benchmarks, [ 29 ] compared to 7400 MIPS and 3.9 GFLOPS for the similarly clocked (1.72 GHz) Pentium M 740.
In a simple implementation, Core Image applies a single Image Filter to the pixel data of a given source to produce the transformed image. Each Image Filter specifies a single transform or effect, either built into Core Image or loaded from a plugin called an Image Unit. Combined with preset or user-defined input parameters, the filter can be ...