JP4989900B2 - 並列演算処理装置 - Google Patents
並列演算処理装置 Download PDFInfo
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- JP4989900B2 JP4989900B2 JP2006023054A JP2006023054A JP4989900B2 JP 4989900 B2 JP4989900 B2 JP 4989900B2 JP 2006023054 A JP2006023054 A JP 2006023054A JP 2006023054 A JP2006023054 A JP 2006023054A JP 4989900 B2 JP4989900 B2 JP 4989900B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
- G06F13/1652—Handling requests for interconnection or transfer for access to memory bus based on arbitration in a multiprocessor architecture
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Description
図1は、この発明に従う並列演算処理装置を利用するシステムの概念的構成を示す図である。この発明に従う並列演算処理装置は、図1に示す演算装置をチップ上に実現する。先ず、この発明に従う並列演算処理装置の動作および機能を明確にするために、図1を参照して、並列演算処理装置を利用する処理システムの概念的構成および演算操作について説明する。
図4は、この発明の実施の形態1に従う並列演算処理装置の全体の構成を概略的に示す図である。図4において、並列演算処理装置50は、半導体チップ上に集積化され、2つのメモリマット55Aおよび55Bを含む。この図4に示す並列演算処理装置50は、1つの基本演算ブロックを構成してもよく、また図3に示すように、複数の主演算回路を含んでもよい。
図12は、この発明の実施の形態2において用いられるビット演算ユニットPEの内部接続の構成の一例を概略的に示す図である。図12において、ビット演算ユニットPEは、センスアンプ/ライトドライバ対SWLPを、Xレジスタ65および演算回路67の2ビット入力IN2の一方に結合するマルチプレクサ70と、他方のメモリブロックのセンスアンプ/ライトドライバ対SWRPを演算回路67の2ビット入力IN2およびXレジスタ65の一方に結合するマルチプレクサ72と、演算回路67の出力OUTを、センスアンプ/ライトドライバ対SWLPおよびSWRPの一方に結合するマルチプレクサ74を含む。
行なう場合、右側のメモリブロックに対して、データの読出を行なう操作が行なわれる。この場合、ローカル制御回路においては、これらのメモリブロックに対し、センスアンプおよびライトドライバを個々に制御する回路が必要となり、回路構成が複雑化し、また回路のレイアウト面積が増大する可能性がある。
Claims (5)
- 行列状に配列される複数のメモリセルと、メモリセル各列に対応して配置される複数のビット線とを各々が有する複数のメモリブロック、
前記複数のメモリブロックの間に配置され、各々が与えられたデータに対して演算処理を実行する複数の演算器を有する複数の演算処理ユニット、および
前記メモリブロック各々においてビット線の両側に交互に配置され、隣接する演算処理ユニットの演算器との間でデータを転送する複数のデータ書込/読出回路を含むデータ転送回路を備え
前記複数のメモリブロックは、各々が、一方向に整列するメモリブロックを含む複数のメモリマットに分割され、
前記データ転送回路および前記演算処理ユニットの動作を制御するローカル制御回路は、前記メモリマットの間の領域に配置される、並列演算処理装置。 - 各前記メモリブロックは、メモリセル各行に対応して配置される複数のワード線をさらに有し、
前記データ転送回路のデータ書込/読出回路は、各対応のビット線と対応の演算器との間でデータを転送し、
前記複数のメモリブロックのうち両端に配置される終端部のメモリブロックは、各々、演算処理ユニットにより共有されるメモリブロックと比べて、そのワード線数が1/2倍に設定される、請求項1記載の並列演算処理装置。 - 前記データ転送回路は、前記終端部のメモリブロックの各ビット線の一方側に配置されて、共通の演算処理ユニットに結合されるデータ書込/読出回路を含む、請求項2記載の並列演算処理装置。
- 各前記メモリブロックは、メモリセル各行に対応して配置される複数のワード線を有し、
前記並列演算処理装置は、さらに、前記演算処理ユニットに対応して設けられ、対応のデータ転送回路および対応の演算処理ユニットの動作を制御する複数のローカル制御回路を備え、前記ローカル制御回路は、演算結果を格納するメモリブロックに対して設けられるデータ書込/読出回路に対しては、対応のメモリブロックにおいてワード線を選択状態に維持した状態で、対応の演算器との間でのデータの読出および書込を順次実行するように対応のメモリブロックおよびデータ書込/読出回路を制御する、請求項1記載の並列演算処理装置。 - 前記演算処理ユニットの処理サイクルはクロック信号により決定され、
各前記ローカル制御回路は、前記データ書込/読出回路が有するセンスアンプおよびライトドライバを前記クロック信号と非同期で活性化させるようにデータ読出活性化信号およびデータ書込活性化信号を生成して対応のデータ書込/読出回路へ供給する、請求項4記載の並列演算処理装置。
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JP2006023054A JP4989900B2 (ja) | 2006-01-31 | 2006-01-31 | 並列演算処理装置 |
US11/698,188 US7505352B2 (en) | 2006-01-31 | 2007-01-26 | Parallel operational processing device |
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JP2006023054A JP4989900B2 (ja) | 2006-01-31 | 2006-01-31 | 並列演算処理装置 |
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JP2003186854A (ja) * | 2001-12-20 | 2003-07-04 | Ricoh Co Ltd | Simd型プロセッサ及びその検証装置 |
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JP4028499B2 (ja) * | 2004-03-01 | 2007-12-26 | 株式会社東芝 | 半導体記憶装置 |
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