JP4904802B2 - キャッシュメモリ及びプロセッサ - Google Patents
キャッシュメモリ及びプロセッサ Download PDFInfo
- Publication number
- JP4904802B2 JP4904802B2 JP2005366569A JP2005366569A JP4904802B2 JP 4904802 B2 JP4904802 B2 JP 4904802B2 JP 2005366569 A JP2005366569 A JP 2005366569A JP 2005366569 A JP2005366569 A JP 2005366569A JP 4904802 B2 JP4904802 B2 JP 4904802B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- processor
- memory
- read
- stored
- 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.)
- Expired - Fee Related
Links
- 230000015654 memory Effects 0.000 title claims description 267
- 239000000872 buffer Substances 0.000 claims description 104
- 238000013500 data storage Methods 0.000 claims description 49
- 238000012545 processing Methods 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 17
- 238000007726 management method Methods 0.000 claims description 15
- 238000013523 data management Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
Images
Landscapes
- Memory System Of A Hierarchy Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005366569A JP4904802B2 (ja) | 2005-02-01 | 2005-12-20 | キャッシュメモリ及びプロセッサ |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005024976 | 2005-02-01 | ||
| JP2005024976 | 2005-02-01 | ||
| JP2005366569A JP4904802B2 (ja) | 2005-02-01 | 2005-12-20 | キャッシュメモリ及びプロセッサ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006244460A JP2006244460A (ja) | 2006-09-14 |
| JP2006244460A5 JP2006244460A5 (enExample) | 2009-01-15 |
| JP4904802B2 true JP4904802B2 (ja) | 2012-03-28 |
Family
ID=37050782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005366569A Expired - Fee Related JP4904802B2 (ja) | 2005-02-01 | 2005-12-20 | キャッシュメモリ及びプロセッサ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4904802B2 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201015321A (en) * | 2008-09-25 | 2010-04-16 | Panasonic Corp | Buffer memory device, memory system and data trnsfer method |
| JP5417879B2 (ja) * | 2009-02-17 | 2014-02-19 | 富士通セミコンダクター株式会社 | キャッシュ装置 |
| WO2012077400A1 (ja) | 2010-12-09 | 2012-06-14 | 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 | マルチコアシステム、及びそのコアのデータ読み出し方法 |
| JP2020532795A (ja) * | 2017-08-31 | 2020-11-12 | レール ビジョン リミテッドRail Vision Ltd | 複数計算における高スループットのためのシステムおよび方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02224041A (ja) * | 1988-11-17 | 1990-09-06 | Nec Ic Microcomput Syst Ltd | キャッシュメモリ制御回路 |
| JPH02204834A (ja) * | 1989-02-03 | 1990-08-14 | Nec Corp | オペランド差換え方式 |
| JP3609656B2 (ja) * | 1999-07-30 | 2005-01-12 | 株式会社日立製作所 | コンピュータシステム |
| US6901450B1 (en) * | 2000-09-22 | 2005-05-31 | Hitachi, Ltd. | Multiprocessor machine and cache control method for providing higher priority to shared cache that is accessed by multiprocessors |
-
2005
- 2005-12-20 JP JP2005366569A patent/JP4904802B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006244460A (ja) | 2006-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5359723A (en) | Cache memory hierarchy having a large write through first level that allocates for CPU read misses only and a small write back second level that allocates for CPU write misses only | |
| EP1388065B1 (en) | Method and system for speculatively invalidating lines in a cache | |
| US6834327B2 (en) | Multilevel cache system having unified cache tag memory | |
| US7925840B2 (en) | Data processing apparatus and method for managing snoop operations | |
| US6272602B1 (en) | Multiprocessing system employing pending tags to maintain cache coherence | |
| US8185695B2 (en) | Snoop filtering mechanism | |
| US20110173393A1 (en) | Cache memory, memory system, and control method therefor | |
| US8700863B2 (en) | Computer system having a cache memory and control method of the same | |
| US20110173400A1 (en) | Buffer memory device, memory system, and data transfer method | |
| JP2008117388A (ja) | キャッシュ及びキャッシュバイパス機能法 | |
| CN113853590A (zh) | 伪随机路选择 | |
| GB2468007A (en) | Data processing apparatus and method dependent on streaming preload instruction. | |
| JP2006085292A (ja) | 演算処理装置 | |
| US8332592B2 (en) | Graphics processor with snoop filter | |
| US11036639B2 (en) | Cache apparatus and method that facilitates a reduction in energy consumption through use of first and second data arrays | |
| US20070239940A1 (en) | Adaptive prefetching | |
| US8473686B2 (en) | Computer cache system with stratified replacement | |
| CN101228512B (zh) | 用于管理高速缓冲存储器存取的方法和设备 | |
| US20110167223A1 (en) | Buffer memory device, memory system, and data reading method | |
| JP5157424B2 (ja) | キャッシュメモリシステム及びキャッシュメモリの制御方法 | |
| US6446168B1 (en) | Method and apparatus for dynamically switching a cache between direct-mapped and 4-way set associativity | |
| US6477622B1 (en) | Simplified writeback handling | |
| JP4904802B2 (ja) | キャッシュメモリ及びプロセッサ | |
| US7779205B2 (en) | Coherent caching of local memory data | |
| US7543112B1 (en) | Efficient on-chip instruction and data caching for chip multiprocessors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081120 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20081120 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110809 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111007 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111213 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111226 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150120 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| LAPS | Cancellation because of no payment of annual fees |