CN114286987A - 用于异构计算的统一内核虚拟地址空间 - Google Patents

用于异构计算的统一内核虚拟地址空间 Download PDF

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Publication number
CN114286987A
CN114286987A CN202080060590.0A CN202080060590A CN114286987A CN 114286987 A CN114286987 A CN 114286987A CN 202080060590 A CN202080060590 A CN 202080060590A CN 114286987 A CN114286987 A CN 114286987A
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China
Prior art keywords
subsystem
address space
address
kernel
memory
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Pending
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CN202080060590.0A
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English (en)
Chinese (zh)
Inventor
邝东全
本杰明·坤·潘·陈
威廉·劳埃德·阿特金森
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ATI Technologies ULC
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ATI Technologies ULC
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Publication of CN114286987A publication Critical patent/CN114286987A/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/109—Address translation for multiple virtual address spaces, e.g. segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
    • G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1009—Address translation using page tables, e.g. page table structures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1081—Address translation for peripheral access to main memory, e.g. direct memory access [DMA]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F9/545—Interprogram communication where tasks reside in different layers, e.g. user- and kernel-space
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65—Details of virtual memory and virtual address translation
    • G06F2212/657—Virtual address space management

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Multi Processors (AREA)
CN202080060590.0A 2019-07-23 2020-07-22 用于异构计算的统一内核虚拟地址空间 Pending CN114286987A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/519,311 2019-07-23
US16/519,311 US10853263B1 (en) 2019-07-23 2019-07-23 Unified kernel virtual address space for heterogeneous computing
PCT/IB2020/056906 WO2021014382A1 (en) 2019-07-23 2020-07-22 Unified kernel virtual address space for heterogeneous computing

Publications (1)

Publication Number Publication Date
CN114286987A true CN114286987A (zh) 2022-04-05

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CN202080060590.0A Pending CN114286987A (zh) 2019-07-23 2020-07-22 用于异构计算的统一内核虚拟地址空间

Country Status (6)

Country Link
US (2) US10853263B1 (cg-RX-API-DMAC7.html)
EP (1) EP4004743B1 (cg-RX-API-DMAC7.html)
JP (1) JP7682148B2 (cg-RX-API-DMAC7.html)
KR (1) KR20220036972A (cg-RX-API-DMAC7.html)
CN (1) CN114286987A (cg-RX-API-DMAC7.html)
WO (1) WO2021014382A1 (cg-RX-API-DMAC7.html)

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US10853263B1 (en) 2019-07-23 2020-12-01 Ati Technologies Ulc Unified kernel virtual address space for heterogeneous computing
CN120670331B (zh) * 2025-08-19 2025-11-25 瀚博半导体(上海)股份有限公司 用于异构系统的地址管理方法、装置及计算机设备

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Also Published As

Publication number Publication date
JP7682148B2 (ja) 2025-05-23
EP4004743A4 (en) 2023-08-16
US20210081328A1 (en) 2021-03-18
EP4004743A1 (en) 2022-06-01
JP2022541059A (ja) 2022-09-21
US11960410B2 (en) 2024-04-16
EP4004743B1 (en) 2025-03-26
KR20220036972A (ko) 2022-03-23
WO2021014382A1 (en) 2021-01-28
US10853263B1 (en) 2020-12-01

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