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"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The higher the capacity of the drive, the higher the areal density; the higher the areal density, the more bits you get under the head in the same amount of time." That, Norblitt adds, translates into data being output faster.<p>The read speeds that Seagate has achieved, and will be demonstrating at the show, are about 550 megabytes per second (including command overhead).
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.
Packetized devices decrease command overhead: by transferring commands, data, and status using DT (dual transition) data phases instead of slower asynchronous phases.

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