Devices, systems, and methods to synchronize simultaneous DMA parallel processing of a single data stream by multiple devices

a technology of synchronizing simultaneous dma parallel processing and data streams, applied in the field of pattern recognition processors, can solve the problems of slow data receipt, increasing the number of delays before the system is ready to search the next portion of the data stream, and increasing the difficulty of pattern recognition tasks

Inactive Publication Date: 2010-06-03
MICRON TECH INC
View PDF22 Cites 114 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the field of computing, pattern recognition tasks are increasingly challenging.
Searching a data stream for each of these patterns can form a computing bottleneck.
The delay before the system is ready to search the next portion of the data stream increases with the number of patterns.
Thus, pattern recognition may slow the receipt of data.
Furthermore, efforts to increase the speed at which the data stream is searched can lead to synchronization problems with the data, as well as timing issues with regard to control of both the processing of an input data stream to the system and the output of the results of the searched data stream.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Devices, systems, and methods to synchronize simultaneous DMA parallel processing of a single data stream by multiple devices
  • Devices, systems, and methods to synchronize simultaneous DMA parallel processing of a single data stream by multiple devices
  • Devices, systems, and methods to synchronize simultaneous DMA parallel processing of a single data stream by multiple devices

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016]FIG. 1 depicts an example of a system 10 that searches a data stream 12. The system 10 may include a pattern-recognition processor 14 that searches the data stream 12 according to search criteria 16.

[0017]Each search criterion may specify one or more target expressions, i.e., patterns. The phrase “target expression” refers to a sequence of data for which the pattern-recognition processor 14 is searching. Examples of target expressions include a sequence of characters that spell a certain word, a sequence of genetic base pairs that specify a gene, a sequence of bits in a picture or video file that form a portion of an image, a sequence of bits in an executable file that form a part of a program, or a sequence of bits in an audio file that form a part of a song or a spoken phrase.

[0018]A search criterion may specify more than one target expression. For example, a search criterion may specify all five-letter words beginning with the sequence of letters “cl”, any word beginning wi...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

Disclosed are methods and devices, among which is a system that includes a device that includes one or more pattern-recognition processors in a pattern-recognition cluster, for example. One of the one or more pattern-recognition processors may be initialized to perform as a direct memory access master device able to control the remaining pattern-recognition processors for synchronized processing of a data stream.

Description

BACKGROUND[0001]1. Field of Invention[0002]Embodiments of the invention relate generally to pattern-recognition processors and, more specifically, in certain embodiments, to the synchronization of direct memory access controlled operations of the pattern-recognition processors.[0003]2. Description of Related Art[0004]In the field of computing, pattern recognition tasks are increasingly challenging. Ever larger volumes of data are transmitted between computers, and the number of patterns that users wish to identify is increasing. For example, spam and malware are often detected by searching for patterns in a data stream, e.g., particular phrases or pieces of code. The number of patterns increases with the variety of spam and malware, as new patterns may be implemented to search for new variants. Searching a data stream for each of these patterns can form a computing bottleneck. Often, as the data stream is received, it is searched for each pattern, one at a time. The delay before the...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(United States)
IPC IPC(8): G06F13/40
CPCG06F13/28G06F16/24568G06F13/4282
Inventor NOYES, HAROLD B
Owner MICRON TECH INC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap