JP2015135696A - ローカル物理メモリとリモート物理メモリとの間で共有されるバーチャルメモリのためのハードウェアサポートの提供 - Google Patents
ローカル物理メモリとリモート物理メモリとの間で共有されるバーチャルメモリのためのハードウェアサポートの提供 Download PDFInfo
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- JP2015135696A JP2015135696A JP2015042361A JP2015042361A JP2015135696A JP 2015135696 A JP2015135696 A JP 2015135696A JP 2015042361 A JP2015042361 A JP 2015042361A JP 2015042361 A JP2015042361 A JP 2015042361A JP 2015135696 A JP2015135696 A JP 2015135696A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
- G06F12/1036—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] for multiple virtual address spaces, e.g. segmentation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F12/12—Replacement control
- G06F12/121—Replacement control using replacement algorithms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/25—Using a specific main memory architecture
- G06F2212/254—Distributed memory
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Memory System Of A Hierarchy Structure (AREA)
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Abstract
Description
110 プラットフォーム
120 CPU
130 システムメモリ
140 インターコネクト
150 アクセラレータ
Claims (1)
- バーチャルアドレスを含むメモリアクセスリクエストを受信するステップと、
前記バーチャルアドレスに対応する物理アドレス(PA)がプロセッサに付属されるローカルメモリ又は非コヒーラントリンクを介し前記プロセッサに接続されるアクセラレータに付属するリモートメモリに存在するか、前記プロセッサの変換ルックアサイドバッファ(TLB)の位置インジケータに基づき判断するため、前記TLBに格納される前記バーチャルアドレスに対応するエントリを解析するステップであって、前記ローカルメモリと前記リモートメモリとは一緒になって共有バーチャルメモリスペースを構成する、前記解析するステップと、
前記PAが前記リモートメモリに存在する場合、前記メモリアクセスリクエストを実行するため、リバースプロキシ実行リクエストを前記リモートメモリに送信するステップと、
前記プロセッサによる前記リモートメモリのPAへのアクセス回数を示す前記TLBエントリのカウンタを解析するステップと、
前記カウンタが閾値に達すると、前記リモートメモリのPAからの情報を前記ローカルメモリに移動させるステップと、
を有する方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US12/562,477 | 2009-09-18 | ||
US12/562,477 US8719547B2 (en) | 2009-09-18 | 2009-09-18 | Providing hardware support for shared virtual memory between local and remote physical memory |
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JP2013195581A Division JP2013254524A (ja) | 2009-09-18 | 2013-09-20 | ローカル物理メモリとリモート物理メモリとの間で共有されるバーチャルメモリのためのハードウェアサポートの提供 |
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JP2015135696A true JP2015135696A (ja) | 2015-07-27 |
JP2015135696A5 JP2015135696A5 (ja) | 2015-11-12 |
JP5911985B2 JP5911985B2 (ja) | 2016-04-27 |
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JP2010205550A Pending JP2011065650A (ja) | 2009-09-18 | 2010-09-14 | ローカル物理メモリとリモート物理メモリとの間で共有されるバーチャルメモリのためのハードウェアサポートの提供 |
JP2013195581A Pending JP2013254524A (ja) | 2009-09-18 | 2013-09-20 | ローカル物理メモリとリモート物理メモリとの間で共有されるバーチャルメモリのためのハードウェアサポートの提供 |
JP2015042361A Active JP5911985B2 (ja) | 2009-09-18 | 2015-03-04 | ローカル物理メモリとリモート物理メモリとの間で共有されるバーチャルメモリのためのハードウェアサポートの提供 |
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JP2010205550A Pending JP2011065650A (ja) | 2009-09-18 | 2010-09-14 | ローカル物理メモリとリモート物理メモリとの間で共有されるバーチャルメモリのためのハードウェアサポートの提供 |
JP2013195581A Pending JP2013254524A (ja) | 2009-09-18 | 2013-09-20 | ローカル物理メモリとリモート物理メモリとの間で共有されるバーチャルメモリのためのハードウェアサポートの提供 |
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JP (3) | JP2011065650A (ja) |
CN (2) | CN104123242B (ja) |
BR (1) | BRPI1003466A2 (ja) |
DE (1) | DE102010035603A1 (ja) |
TW (1) | TWI470435B (ja) |
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JP2011065650A (ja) | 2011-03-31 |
CN102023932B (zh) | 2014-08-27 |
TWI470435B (zh) | 2015-01-21 |
CN104123242A (zh) | 2014-10-29 |
TW201120643A (en) | 2011-06-16 |
JP5911985B2 (ja) | 2016-04-27 |
JP2013254524A (ja) | 2013-12-19 |
CN102023932A (zh) | 2011-04-20 |
US20140208042A1 (en) | 2014-07-24 |
US20110072234A1 (en) | 2011-03-24 |
US9003164B2 (en) | 2015-04-07 |
US8719547B2 (en) | 2014-05-06 |
BRPI1003466A2 (pt) | 2015-08-18 |
DE102010035603A1 (de) | 2011-04-07 |
CN104123242B (zh) | 2017-08-08 |
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