Managing invocation of tasks

A task and task processing technology, applied in transaction processing, electrical digital data processing, multi-programming devices, etc., can solve problems such as difficult adaptability and calculation mismatch, and achieve the effect of achieving efficiency gains and improving computing efficiency

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 invocation of tasks
  • Managing invocation of tasks

Examples

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Embodiment Construction

[0055] 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

A graph-based program specification (110) includes components, at least one having at least one input port for receiving a collection of data elements, or at least one collection type output port for providing a collection of data elements. Executing a program specified by the graph-based program specification at a computing node (152), includes: receiving data elements of a first collection into a first storage in a first order via a link connected to a collection type output port of a first component and an input port of a second component, and invoking a plurality of instances of a task corresponding to the second component to process data elements of the first collection, including retrieving the data elements from the first storage in a second order, without blocking invocation of any of the instances until after any particular instance completes processing one or more data elements.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Application Serial No. 62 / 044,665, 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 invocation of tasks. 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 Patent 5,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/44G06F9/46G06F9/48
CPCG06F9/466G06F9/4843G06F9/4881G06F9/448G06F9/4494G06F9/4482G06F8/34G06F9/465G06F9/44G06F9/46
Inventor C·W·斯坦菲尔R·夏皮罗S·A·库克利希约瑟夫·斯凯芬顿·沃莱三世
Owner INITIO TECH
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