CN102640124B - 用于数据流的储存感知预取的计算系统、方法以及预取单元 - Google Patents

用于数据流的储存感知预取的计算系统、方法以及预取单元 Download PDF

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CN102640124B
CN102640124B CN201080051152.4A CN201080051152A CN102640124B CN 102640124 B CN102640124 B CN 102640124B CN 201080051152 A CN201080051152 A CN 201080051152A CN 102640124 B CN102640124 B CN 102640124B
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CN102640124A (zh
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本杰明·T·桑德
巴拉特·纳拉辛哈·斯瓦米
斯瓦米·帕亚穆尔图拉
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Advanced Micro Devices Inc
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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
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0862—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with prefetch
    • 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
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
    • G06F12/0815—Cache consistency protocols
    • 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
    • G06F2212/60—Details of cache memory
    • G06F2212/6026—Prefetching based on access pattern detection, e.g. stride based prefetch

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
CN201080051152.4A 2009-09-11 2010-09-09 用于数据流的储存感知预取的计算系统、方法以及预取单元 Active CN102640124B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/558,465 US8667225B2 (en) 2009-09-11 2009-09-11 Store aware prefetching for a datastream
US12/558,465 2009-09-11
PCT/US2010/048241 WO2011031837A1 (en) 2009-09-11 2010-09-09 Store aware prefetching for a datastream

Publications (2)

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CN102640124A CN102640124A (zh) 2012-08-15
CN102640124B true CN102640124B (zh) 2015-11-25

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US (1) US8667225B2 (enExample)
EP (1) EP2476060B1 (enExample)
JP (1) JP5615927B2 (enExample)
KR (1) KR101614867B1 (enExample)
CN (1) CN102640124B (enExample)
IN (1) IN2012DN02977A (enExample)
WO (1) WO2011031837A1 (enExample)

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US10324832B2 (en) * 2016-05-25 2019-06-18 Samsung Electronics Co., Ltd. Address based multi-stream storage device access
US11169925B2 (en) * 2015-08-25 2021-11-09 Samsung Electronics Co., Ltd. Capturing temporal store streams into CPU caches by dynamically varying store streaming thresholds
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JP6734760B2 (ja) 2015-11-10 2020-08-05 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ プリフェッチ・インセンシティブのトランザクション・メモリ
US10474576B2 (en) 2015-11-10 2019-11-12 International Business Machines Corporation Prefetch protocol for transactional memory
US10180905B1 (en) 2016-04-07 2019-01-15 Apple Inc. Unified prefetch circuit for multi-level caches
US9904624B1 (en) 2016-04-07 2018-02-27 Apple Inc. Prefetch throttling in a multi-core system
US10169240B2 (en) * 2016-04-08 2019-01-01 Qualcomm Incorporated Reducing memory access bandwidth based on prediction of memory request size
US10649904B2 (en) 2016-12-12 2020-05-12 Samsung Electronics Co., Ltd. System and method for store streaming detection and handling
US10331567B1 (en) 2017-02-17 2019-06-25 Apple Inc. Prefetch circuit with global quality factor to reduce aggressiveness in low power modes
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CN109669880A (zh) * 2017-10-13 2019-04-23 展讯通信（上海）有限公司 一种数据预取方法及装置、微处理器
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US11307988B2 (en) * 2018-10-15 2022-04-19 Texas Instruments Incorporated Configurable cache for multi-endpoint heterogeneous coherent system
CN109408412B (zh) * 2018-10-24 2021-04-30 龙芯中科技术股份有限公司 内存预取控制方法、装置及设备
US10963249B2 (en) 2018-11-02 2021-03-30 International Business Machines Corporation Processor prefetcher mode governor for switching between prefetch modes
CN110427332B (zh) * 2019-08-05 2021-08-20 上海兆芯集成电路有限公司 数据预取装置、数据预取方法及微处理器
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CN120803976B (zh) * 2025-09-04 2025-11-28 浪潮电子信息产业股份有限公司 一种内存访问方法、设备、存储介质及程序产品

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Also Published As

Publication number Publication date
WO2011031837A1 (en) 2011-03-17
EP2476060A1 (en) 2012-07-18
CN102640124A (zh) 2012-08-15
US8667225B2 (en) 2014-03-04
JP2013504815A (ja) 2013-02-07
EP2476060B1 (en) 2015-06-17
US20110066811A1 (en) 2011-03-17
IN2012DN02977A (enExample) 2015-07-31
JP5615927B2 (ja) 2014-10-29
KR101614867B1 (ko) 2016-04-22
KR20120070584A (ko) 2012-06-29

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