IL283228B2 - Faster access of virtual machine memory backed by a host computing device's virtual memory - Google Patents

Faster access of virtual machine memory backed by a host computing device's virtual memory

Info

Publication number
IL283228B2
IL283228B2 IL283228A IL28322821A IL283228B2 IL 283228 B2 IL283228 B2 IL 283228B2 IL 283228 A IL283228 A IL 283228A IL 28322821 A IL28322821 A IL 28322821A IL 283228 B2 IL283228 B2 IL 283228B2
Authority
IL
Israel
Prior art keywords
memory
host
entries
virtual
physical memory
Prior art date
Application number
IL283228A
Other languages
English (en)
Hebrew (he)
Other versions
IL283228A (en
IL283228B1 (en
Original Assignee
Microsoft Technology Licensing Llc
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
Priority claimed from US16/198,620 external-priority patent/US10901911B2/en
Application filed by Microsoft Technology Licensing Llc filed Critical Microsoft Technology Licensing Llc
Publication of IL283228A publication Critical patent/IL283228A/en
Publication of IL283228B1 publication Critical patent/IL283228B1/en
Publication of IL283228B2 publication Critical patent/IL283228B2/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10Address translation
    • G06F12/1009Address translation using page tables, e.g. page table structures
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/50Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5061Partitioning or combining of resources
    • G06F9/5077Logical partitioning of resources; Management or configuration of virtualized resources
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
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    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0806Multiuser, multiprocessor or multiprocessing cache systems
    • G06F12/0811Multiuser, multiprocessor or multiprocessing cache systems with multilevel cache hierarchies
    • GPHYSICS
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    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0877Cache access modes
    • G06F12/0882Page mode
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
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    • G06F12/10Address translation
    • G06F12/1027Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
    • G06F12/1045Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] associated with a data cache
    • G06F12/1063Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] associated with a data cache the data cache being concurrently virtually addressed
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10Address translation
    • G06F12/109Address translation for multiple virtual address spaces, e.g. segmentation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14Protection against unauthorised use of memory or access to memory
    • G06F12/1416Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
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    • G06F9/44Arrangements for executing specific programs
    • G06F9/455Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533Hypervisors; Virtual machine monitors
    • G06F9/45558Hypervisor-specific management and integration aspects
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/0223User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023Free address space management
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
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    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10Address translation
    • G06F12/1027Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
    • G06F12/1036Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] for multiple virtual address spaces, e.g. segmentation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/12Replacement control
    • G06F12/121Replacement control using replacement algorithms
    • G06F12/126Replacement control using replacement algorithms with special data handling, e.g. priority of data or instructions, handling errors or pinning
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/455Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533Hypervisors; Virtual machine monitors
    • G06F9/45558Hypervisor-specific management and integration aspects
    • G06F2009/45579I/O management, e.g. providing access to device drivers or storage
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/455Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533Hypervisors; Virtual machine monitors
    • G06F9/45558Hypervisor-specific management and integration aspects
    • G06F2009/45583Memory management, e.g. access or allocation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10Providing a specific technical effect
    • G06F2212/1016Performance improvement
    • G06F2212/1024Latency reduction
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10Providing a specific technical effect
    • G06F2212/1052Security improvement
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/15Use in a specific computing environment
    • G06F2212/151Emulated environment, e.g. virtual machine
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/50Control mechanisms for virtual memory, cache or TLB
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65Details of virtual memory and virtual address translation
    • G06F2212/651Multi-level translation tables
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65Details of virtual memory and virtual address translation
    • G06F2212/652Page size control
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65Details of virtual memory and virtual address translation
    • G06F2212/654Look-ahead translation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65Details of virtual memory and virtual address translation
    • G06F2212/656Address space sharing
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/65Details of virtual memory and virtual address translation
    • G06F2212/657Virtual address space management
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/68Details of translation look-aside buffer [TLB]
    • G06F2212/683Invalidation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
IL283228A 2018-11-21 2019-11-14 Faster access of virtual machine memory backed by a host computing device's virtual memory IL283228B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/198,620 US10901911B2 (en) 2018-11-21 2018-11-21 Faster computer memory access by reducing SLAT fragmentation
US16/423,137 US10761876B2 (en) 2018-11-21 2019-05-27 Faster access of virtual machine memory backed by a host computing device's virtual memory
PCT/US2019/061345 WO2020106533A1 (en) 2018-11-21 2019-11-14 Faster access of virtual machine memory backed by a host computing device's virtual memory

Publications (3)

Publication Number Publication Date
IL283228A IL283228A (en) 2021-07-29
IL283228B1 IL283228B1 (en) 2023-12-01
IL283228B2 true IL283228B2 (en) 2024-04-01

Family

ID=68841205

Family Applications (1)

Application Number Title Priority Date Filing Date
IL283228A IL283228B2 (en) 2018-11-21 2019-11-14 Faster access of virtual machine memory backed by a host computing device's virtual memory

Country Status (14)

Country Link
US (2) US10761876B2 (enExample)
EP (2) EP4418129A3 (enExample)
JP (1) JP7592584B2 (enExample)
KR (1) KR20210089150A (enExample)
CN (3) CN120371735A (enExample)
AU (1) AU2019384498A1 (enExample)
BR (1) BR112021008419A2 (enExample)
CA (1) CA3116380A1 (enExample)
IL (1) IL283228B2 (enExample)
MX (1) MX2021005804A (enExample)
PH (1) PH12021551164A1 (enExample)
SG (1) SG11202104744UA (enExample)
WO (1) WO2020106533A1 (enExample)
ZA (1) ZA202102321B (enExample)

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Also Published As

Publication number Publication date
CN113168379B (zh) 2025-05-06
EP4418129A2 (en) 2024-08-21
ZA202102321B (en) 2022-06-29
US20200394065A1 (en) 2020-12-17
US10761876B2 (en) 2020-09-01
AU2019384498A1 (en) 2021-05-13
JP2022509906A (ja) 2022-01-25
IL283228A (en) 2021-07-29
US11157306B2 (en) 2021-10-26
CN120353730A (zh) 2025-07-22
PH12021551164A1 (en) 2021-10-25
EP3884392B1 (en) 2024-07-17
IL283228B1 (en) 2023-12-01
CA3116380A1 (en) 2020-05-28
US20200159558A1 (en) 2020-05-21
EP3884392A1 (en) 2021-09-29
WO2020106533A1 (en) 2020-05-28
CN120371735A (zh) 2025-07-25
KR20210089150A (ko) 2021-07-15
MX2021005804A (es) 2021-07-02
BR112021008419A2 (pt) 2021-09-14
SG11202104744UA (en) 2021-06-29
JP7592584B2 (ja) 2024-12-02
CN113168379A (zh) 2021-07-23
EP4418129A3 (en) 2024-10-02

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