CA2208297A1 - Method and computer program product for reducing inter-buffer data transfers between separate processing components - Google Patents

Method and computer program product for reducing inter-buffer data transfers between separate processing components

Info

Publication number
CA2208297A1
CA2208297A1 CA002208297A CA2208297A CA2208297A1 CA 2208297 A1 CA2208297 A1 CA 2208297A1 CA 002208297 A CA002208297 A CA 002208297A CA 2208297 A CA2208297 A CA 2208297A CA 2208297 A1 CA2208297 A1 CA 2208297A1
Authority
CA
Canada
Prior art keywords
buffer
drivers
data
chained
computer program
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002208297A
Other languages
French (fr)
Other versions
CA2208297C (en
Inventor
George H. J. Shaw
Bryan A. Woodruff
Thomas J. O'rourke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsoft Technology Licensing LLC
Original Assignee
Microsoft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of CA2208297A1 publication Critical patent/CA2208297A1/en
Application granted granted Critical
Publication of CA2208297C publication Critical patent/CA2208297C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/544—Buffers; Shared memory; Pipes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
    • G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory

Abstract

A method and computer program product for overcoming the inefficiencies associated with inter-buffer data transfers between separate processing components such as kernel mode drivers that are chained together. Provided is a standard mechanism for allocating and managing data buffers needed for processing data in a system, wherein multiple drivers are chained together using a standardized connection method in the connection pin instances. Drivers having different buffer requirements and capabilities may be queried and matched for easy data transition between the chained drivers requiring the least number of buffers and, hence the least expensive yet most efficient inter-buffer data transfer. Examples of buffer requirements include previous frame storage for adaptive processing, byte alignment, frame size, outstanding frames allowed, etc. The buffer requirements of an input connection pin instance may be queried by an application initializing the chained drivers. When a buffer is needed, a buffer allocator will be associated with the input pin instance, otherwise a driver will process the data in the previous existing buffer.
CA002208297A 1997-04-04 1997-06-19 Method and computer program product for reducing inter-buffer data transfers between separate processing components Expired - Fee Related CA2208297C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/825,957 1997-04-04
US08/825,957 US6209041B1 (en) 1997-04-04 1997-04-04 Method and computer program product for reducing inter-buffer data transfers between separate processing components

Publications (2)

Publication Number Publication Date
CA2208297A1 true CA2208297A1 (en) 1998-10-04
CA2208297C CA2208297C (en) 2005-05-24

Family

ID=25245322

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002208297A Expired - Fee Related CA2208297C (en) 1997-04-04 1997-06-19 Method and computer program product for reducing inter-buffer data transfers between separate processing components

Country Status (5)

Country Link
US (2) US6209041B1 (en)
EP (2) EP1619581A1 (en)
JP (2) JP3929551B2 (en)
CA (1) CA2208297C (en)
DE (1) DE69736586T2 (en)

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Also Published As

Publication number Publication date
DE69736586T2 (en) 2007-08-30
CA2208297C (en) 2005-05-24
JP3929551B2 (en) 2007-06-13
JPH10283252A (en) 1998-10-23
US6601112B1 (en) 2003-07-29
EP1619581A1 (en) 2006-01-25
JP4889471B2 (en) 2012-03-07
EP0871116A3 (en) 1998-12-16
JP2007128538A (en) 2007-05-24
US6209041B1 (en) 2001-03-27
EP0871116A2 (en) 1998-10-14
DE69736586D1 (en) 2006-10-12
EP0871116B1 (en) 2006-08-30

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Effective date: 20150619