coprocessor

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Related to Math co-processor: numeric coprocessor

coprocessor

[kō′prä‚ses·ər]
(computer science)
A processing unit that works together with a primary central processing unit to speed a computer's execution of time-consuming operations.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

coprocessor

Any computer processor which assists the main processor (the "CPU") by performing certain special functions, usually much faster than the main processor could perform them in software. The coprocessor often decodes instructions in parallel with the main processor and executes only those instructions intended for it.

The most common example is a floating point coprocessor (or "FPU"), others are graphics and networking.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

coprocessor

A secondary processor in a computer that is used to speed up operations by taking some of the workload that the main CPU would otherwise have to handle. See GPU, GPGPU and math coprocessor.
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References in periodicals archive ?
After calculations, which EEpal performs almost instantaneously when used with a math co-processor, data may be moved to other programs and/or data from other programs may be picked up.
Without a math co-processor, computation time is 20 seconds; with a math co-processor, computation time is reduced to a few seconds.
These 25-MHz notebooks include math co-processors, 4MB of RAM and an internal 2400-baud modem.