Managing state for controlling tasks

A state and task technology, applied in the direction of program control design, program control device, electrical digital data processing, etc., can solve the problems of calculation mismatch and difficult adaptation, and achieve the effect of improving calculation efficiency and realizing efficiency gain.

Active Publication Date: 2017-05-17
INITIO TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it is possible to efficiently perform computations that can be represented in the MapReduce framework and whose inputs and outputs can be modified for storage in the MapReduce framework's file system, many computations do not fit the framework and / or are not easily adaptable so that all of them Both input and output are in the distributed file system

Method used

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  • Managing state for controlling tasks
  • Managing state for controlling tasks
  • Managing state for controlling tasks

Examples

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Embodiment Construction

[0056] refer to figure 1 , the task-based computing system 100 uses the high-level program specification 110 to control the computing resources and storage resources of the computing platform 150 to perform calculations specified by the program specification 110 . Compiler / interpreter 120 receives high-level program specification 110 and generates task-based specification 130 in a form executable by task-based runtime interface / controller 140 . The compiler / interpreter 120 recognizes one or more "execution sets" of one or more "components", which may be instantiated individually or as a unit as fine-grained tasks to be applied to each of a plurality of data elements . As described in more detail below, part of the compilation or interpretation process involves identifying these execution sets and preparing them for execution. It should be understood that compiler / interpreter 120 may use any of a variety of algorithms including steps such as parsing high-level program specifi...

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Abstract

Information representative of a graph-based program specification (110) has components, and directed links between ports of said components, defining a dependency between said components. A directed link exists between a port of a first component and a port of a second component. The first component specifies first-component execution code that when compiled enables execution of a first task. The second component specifies second-component execution code that when compiled enables execution of a second task. Compiling (120) the graph-based program specification includes grafting first control code to said first-component execution code, which changes a state of said second component to a pending state, an active state, or a suppressed state. Based on said state, said first control code causes at least one of: invoking said second component if said state changes from pending to active, or suppressing said second component if said state changes from pending to suppressed.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Application Serial No. 62 / 044,684, filed September 2, 2014, and US Application Serial No. 62 / 164,175, filed May 20, 2015. technical field [0003] This specification relates to a method for managing the state of a control task. Background technique [0004] One approach to dataflow computation utilizes a graph-based representation in which computational components corresponding to the nodes (vertices) of the graph pass through dataflows corresponding to the links (directed edges) of the graph (called a "dataflow graph"). )coupling. A downstream component connected to an upstream component by a dataflow link receives an ordered stream of input data elements and processes the input data elements in the order received, optionally generating one or more corresponding streams of output data elements. A system for performing such graph-based computations is described in prior US Paten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/44G06F9/45G06F9/48G06F9/50
CPCG06F8/41G06F8/447G06F9/4843G06F9/5027G06F9/4494
Inventor C·W·斯坦菲尔R·夏皮罗
Owner INITIO TECH
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