scalar

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Related to Scalar processor: Vector processor

scalar

 [ska´lar]
1. a physical quantity specified by a single number (a magnitude or point on a scale), such as mass or temperature. See also vector.
2. pertaining to a scalar quantity.

scalar

/sca·lar/ (ska´ler)
1. a quantity that has magnitude only (as opposed to also having direction), such as mass or temperature. Cf. vector.
2. pertaining to such a quantity.

scalar

describes a variable, quantity or measurement that has only magnitude (size), i.e. no directional component. Can be added arithmetically. Examples are area, speed, temperature.

scalar

in electrocardiography, a single magnitude value of a recorded electrical potential, expressed in millivolts.
References in periodicals archive ?
In ORNL's case, the QMC/DCA code (specifically, an individual Markov chain in the Monte Carlo simulation) does not scale well on scalar processors, and the algorithm the team was using became too computationally inefficient when expanded beyond four-site clusters.
Members of the Fujitsu VP-2000 series [4] also have separate vector and scalar processors, as did their predecessors, the VP-200 and VP-400.
At the end of the day, the conventional scalar processors used in most HPC systems are fundamentally limited in their ability to extract more parallelism from application codes.