System and method of arbitration associated with a multi-threaded system

a multi-threaded system and arbitration technology, applied in the field of arbitration associated with a multi-threaded system, can solve the problems of data backing up, data not using the shared resource as efficiently as possible, and the arbitrator's scheme implemented by the non-volatile data storage device, and achieve the effect of increasing the utilization of the shared resour

Inactive Publication Date: 2015-06-04
SANDISK TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical effect of this patented technology is how it allows multiple threads of a computer program share resources without overloading them. This means that if there are too many requests waiting at once, they can only send their requests until someone else has enough space available. By allowing certain requests to wait while others have lesser storage capacity, fewer resources will be used up.

Problems solved by technology

The technical problem addressed in this patent text relates to improving efficiency when accessing shared resources like limited resources in non-volatile data storage devices.

Method used

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  • System and method of arbitration associated with a multi-threaded system
  • System and method of arbitration associated with a multi-threaded system
  • System and method of arbitration associated with a multi-threaded system

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Embodiment Construction

[0012]Particular embodiments of the present disclosure are described below with reference to the drawings. In the description, common features are designated by common reference numbers throughout the drawings.

[0013]FIG. 1 depicts a particular embodiment of a system 100 that includes a host device 190 and a data storage device 102. The data storage device 102 may be coupled to the host device 190 via a communication path 192, such as a wired communication path and / or a wireless communication path. The data storage device 102 may be configured to be coupled to the host device 190 as embedded memory. Alternatively, the data storage device 102 may be removable from (i.e., “removably” coupled to) the host device 190. For example, the data storage device 102 may be removably coupled to the host device 190 in accordance with a removable universal serial bus (USB) configuration.

[0014]The host device 190 may issue one or more commands to the data storage device 102, such as one or more reque

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Abstract

A data storage device includes a controller coupled to a non-volatile memory via a data path element. The controller includes a first queue that includes a first set of requests and a second queue that includes a second set of requests. The controller further includes logic configured to assign a particular request from the first queue or from the second queue to have access to the data path element. When the logic is in a first mode, the logic selects a particular request is selected based on an arbitration scheme applied to the first queue and the second queue. When the logic is in a second mode, the logic selects a prioritized request from the first set of requests or the second set of requests independently of the arbitration scheme.

Description

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Claims

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Application Information

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Owner SANDISK TECH LLC
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