KR20220113410A - 페치 그룹들의 시퀀스들에 대한 분기 예측 유닛에의 액세스 제어 - Google Patents

페치 그룹들의 시퀀스들에 대한 분기 예측 유닛에의 액세스 제어 Download PDF

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Publication number
KR20220113410A
KR20220113410A KR1020227021490A KR20227021490A KR20220113410A KR 20220113410 A KR20220113410 A KR 20220113410A KR 1020227021490 A KR1020227021490 A KR 1020227021490A KR 20227021490 A KR20227021490 A KR 20227021490A KR 20220113410 A KR20220113410 A KR 20220113410A
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KR
South Korea
Prior art keywords
fetch
mpu
function block
instructions
groups
Prior art date
Application number
KR1020227021490A
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English (en)
Korean (ko)
Inventor
바룬 아그라월
존 칼라마티아노스
아디트야 얄라바르티
징지에 치엔
Original Assignee
어드밴스드 마이크로 디바이시즈, 인코포레이티드
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 US16/725,203 external-priority patent/US10853075B2/en
Application filed by 어드밴스드 마이크로 디바이시즈, 인코포레이티드 filed Critical 어드밴스드 마이크로 디바이시즈, 인코포레이티드
Publication of KR20220113410A publication Critical patent/KR20220113410A/ko

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    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3802—Instruction prefetching
    • G06F9/3804—Instruction prefetching for branches, e.g. hedging, branch folding
    • G06F9/3806—Instruction prefetching for branches, e.g. hedging, branch folding using address prediction, e.g. return stack, branch history buffer
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3842—Speculative instruction execution
    • G06F9/3844—Speculative instruction execution using dynamic branch prediction, e.g. using branch history tables
    • G06F9/3857—
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3854—Instruction completion, e.g. retiring, committing or graduating
    • G06F9/3858—Result writeback, i.e. updating the architectural state or memory

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Advance Control (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
KR1020227021490A 2019-12-23 2020-11-04 페치 그룹들의 시퀀스들에 대한 분기 예측 유닛에의 액세스 제어 KR20220113410A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/725,203 2019-12-23
US16/725,203 US10853075B2 (en) 2018-09-10 2019-12-23 Controlling accesses to a branch prediction unit for sequences of fetch groups
PCT/US2020/058806 WO2021133469A1 (fr) 2019-12-23 2020-11-04 Commande d'accès à une unité de prédiction de branchement destinée à des séquences de groupes d'extraction

Publications (1)

Publication Number Publication Date
KR20220113410A true KR20220113410A (ko) 2022-08-12

Family

ID=76575067

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227021490A KR20220113410A (ko) 2019-12-23 2020-11-04 페치 그룹들의 시퀀스들에 대한 분기 예측 유닛에의 액세스 제어

Country Status (5)

Country Link
EP (1) EP4081899A4 (fr)
JP (1) JP2023508869A (fr)
KR (1) KR20220113410A (fr)
CN (1) CN114846443A (fr)
WO (1) WO2021133469A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6957327B1 (en) * 1998-12-31 2005-10-18 Stmicroelectronics, Inc. Block-based branch target buffer
TW200723094A (en) * 2005-12-01 2007-06-16 Ind Tech Res Inst Dynamic branch prediction system and method
US8862861B2 (en) * 2011-05-13 2014-10-14 Oracle International Corporation Suppressing branch prediction information update by branch instructions in incorrect speculative execution path
US9552032B2 (en) * 2012-04-27 2017-01-24 Nvidia Corporation Branch prediction power reduction
US9891922B2 (en) * 2012-06-15 2018-02-13 International Business Machines Corporation Selectively blocking branch prediction for a predetermined number of instructions
US20140143526A1 (en) * 2012-11-20 2014-05-22 Polychronis Xekalakis Branch Prediction Gating
US9632791B2 (en) * 2014-01-21 2017-04-25 Apple Inc. Cache for patterns of instructions with multiple forward control transfers
US10289417B2 (en) * 2014-10-21 2019-05-14 Arm Limited Branch prediction suppression for blocks of instructions predicted to not include a branch instruction
US10853075B2 (en) * 2018-09-10 2020-12-01 Advanced Micro Devices, Inc. Controlling accesses to a branch prediction unit for sequences of fetch groups

Also Published As

Publication number Publication date
WO2021133469A1 (fr) 2021-07-01
EP4081899A4 (fr) 2024-03-06
EP4081899A1 (fr) 2022-11-02
JP2023508869A (ja) 2023-03-06
CN114846443A (zh) 2022-08-02

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