JP2009259241A - 汎用プロセッサによるリターゲティングされたグラフィックプロセッサ加速コードの実行 - Google Patents
汎用プロセッサによるリターゲティングされたグラフィックプロセッサ加速コードの実行 Download PDFInfo
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Abstract
【解決手段】本発明は、マルチコアGPUで実行するために並列プログラミングモデルを使用して書かれたアプリケーションプログラムを、汎用のCPUにより実行するように変換する技術について述べる。マルチコアGPUの特定の特徴に依存するアプリケーションプログラムの部分は、トランスレータにより、汎用CPUで実行するように変換される。アプリケーションプログラムは、同期独立インストラクションの領域へと区画化される。インストラクションは、収斂又は発散として分類され、領域と領域との間で共有される発散メモリ参照が複写される。汎用CPUによる実行中に種々のスレッド間でのメモリの正しい共有を保証するためにスレッドループが挿入される。
【選択図】図4
Description
Claims (10)
- 変換されたアプリケーションプログラムを実行するように構成されたコンピューティングシステムであって、
コンパイラーを実行するように構成された汎用プロセッサと、
前記プロセッサに結合され、前記変換されたアプリケーションプログラム及びコンパイルされたコードを記憶するように構成されたシステムメモリと、
を備え、前記コンパイラーは、
マルチコアグラフィック処理ユニットで実行するために並列プログラミングモデルを使用して書かれたアプリケーションプログラムから変換されたものである前記変換されたアプリケーションプログラムを受け取り、
前記変換されたアプリケーションプログラムをコンパイルして、前記汎用プロセッサにより実行するためのコンパイルされたコードを発生する、
というように構成され、更に、
装置ドライバであって、
前記変換されたアプリケーションプログラムを実行するのに利用できる前記汎用プロセッサ内の実行コアの数を決定し、
前記数の実行コアをイネーブルするように前記汎用プロセッサを構成する、
というように構成された装置ドライバと、
前記数の実行コアを含む前記汎用プロセッサにより実行するために前記コンパイルされたコードを起動するように構成されたランタイム環境と、
を備えるコンピューティングシステム。 - 前記変換されたアプリケーションプログラムは、協働スレッドアレイにおけるスレッドのいずれか1つが前記変換されたアプリケーションプログラムの第2領域の実行を開始する前にその協働スレッドアレイにおける全てのスレッドが区画化されたアプリケーションプログラムの第1領域の実行を完了するよう保証するために、前記区画化されたアプリケーションプログラムの第1領域の周りに第1ループネストを含む、請求項1に記載のコンピューティングシステム。
- 前記第1ループは、前記協働スレッドアレイの1つ以上の次元に対して繰り返される、請求項2に記載のコンピュータシステム。
- 前記変換されたアプリケーションプログラムは、前記アプリケーションプログラムを、同期独立インストラクションの領域へと区画化して、区画化されたアプリケーションプログラムを発生し、そしてその区画化されたアプリケーションプログラムの少なくとも1つの領域の周りにループを挿入することにより発生され、前記ループは、前記マルチコアグラフィック処理ユニット内の並列プロセッサにより同時に実行される多数のスレッドに対応する協働スレッドアレイ次元に対して繰り返される、請求項1に記載のコンピューティングシステム。
- 前記区画化されたアプリケーションプログラムの第1領域は、同期バリアインストラクションの前にあるインストラクションを含み、前記区画化されたアプリケーションプログラムの第2領域は、前記同期バリアインストラクションの後にあるインストラクションを含む、請求項4に記載のコンピューティングシステム。
- 前記区画化されたアプリケーションプログラムの少なくとも1つの領域の周りに付加的なループを挿入して、前記変換されたアプリケーションプログラムを発生し、前記付加的なループは、異なる協働スレッドアレイ次元に対して繰り返される、請求項5に記載のコンピューティングシステム。
- 前記区画化されたアプリケーションプログラムは、各ステートメントを、前記協働スレッドアレイ次元に対して収斂又は発散のいずれかとして識別するように分類される、請求項4に記載のコンピューティングシステム。
- 前記汎用プロセッサは、更に、前記コンパイルされたコードを実行するように構成される、請求項1に記載のコンピュータシステム。
- 前記汎用プロセッサは、更に、前記汎用プロセッサに特有の最適化を遂行するように構成される、請求項1に記載のコンピュータシステム。
- マルチコアグラフィック処理ユニットで実行するために並列プログラミングモデルを使用して書かれた前記アプリケーションプログラムは、CUDA(コンピュート・ユニファイド・デバイス・アーキテクチャー)アプリケーションプログラムである、請求項1に記載のコンピューティングシステム。
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US12/408,559 US9448779B2 (en) | 2008-04-09 | 2009-03-20 | Execution of retargetted graphics processor accelerated code by a general purpose processor |
US12/408,559 | 2009-03-20 |
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US20090259828A1 (en) | 2009-10-15 |
JP5152594B2 (ja) | 2013-02-27 |
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US9678775B1 (en) | 2017-06-13 |
JP2009259240A (ja) | 2009-11-05 |
CN101556544A (zh) | 2009-10-14 |
CN101556543A (zh) | 2009-10-14 |
US9448779B2 (en) | 2016-09-20 |
TWI423133B (zh) | 2014-01-11 |
TW201007572A (en) | 2010-02-16 |
US8984498B2 (en) | 2015-03-17 |
TWI437491B (zh) | 2014-05-11 |
US8572588B2 (en) | 2013-10-29 |
US20090259829A1 (en) | 2009-10-15 |
US20090259997A1 (en) | 2009-10-15 |
JP4984306B2 (ja) | 2012-07-25 |
CN101556544B (zh) | 2013-09-18 |
CN101556543B (zh) | 2014-04-23 |
US8612732B2 (en) | 2013-12-17 |
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