von Neumann bottleneck

von Neumann bottleneck

[fȯn ′nȯi‚män ′bäd·əl‚nek]
(computer science)
An inefficiency inherent in the design of any von Neumann machine that arises from the fact that most computer time is spent in moving information between storage and the central processing unit rather than operating on it.
References in periodicals archive ?
To overcome this so-called von Neumann bottleneck, it is not sufficient to optically connect memory and processor, as the optical signals have to be converted into electric signals again.