command overhead

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Related to command overhead: command processing overhead time
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Noun1.command overhead - (computer science) the processing time required by a device prior to the execution of a command
computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
access time - (computer science) the interval between the time data is requested by the system and the time the data is provided by the drive; "access time is the sum of seek time and rotational latency and command processing overhead"
processing time - the time it takes to complete a prescribed procedure; "they increased output by decreasing processing time"
References in periodicals archive ?
The new drives are available in 36, 73 and 147 GB capacities and feature large, 16 MB cache sizes to minimize command overhead and improve average read/write response times.
This improves performance by maximizing bus utilization and minimizing command overhead.
It also adds packetized commands which will make command overhead comparable to fibre, thus further reducing the gap.
With the reduced command overhead of QAS, packetized SCSI, and double the data rate of Ultra160, these next-generation boards enable existing server and workstation customers to confidently migrate to a robust, new performance standard with proven interoperability," said Bill Wuertz, vice president and general manager for LSI Logic's storage standard products division.
The Maxtor DualWave(TM) processor uses the power of two high-speed processors, which improves drive and system performance through a 90% reduction in drive command overhead.
The drives feature a large, 16 MB cache that minimizes command overhead and improves average read/write response time.
With the reduced command overhead of QAS, packetized SCSI and double the data rate of Ultra160, these boards will significantly improve system performance.

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