環境適応ソフトウェアにおけるFPGAオフロード対象拡大の提案

山登, 庸次

doi:10.51094/jxiv.2218

##article.authors##

山登, 庸次 NTT株式会社　ネットワークサービスシステム研究所

DOI:

https://doi.org/10.51094/jxiv.2218

キーワード:

環境適応ソフトウェア、自動オフロード、 FPGA、計算タイプ、パターンマッチング

抄録

私達は，プログラマーが通常CPU向けに記述したコードを，配置環境に応じて，自動で変換等をして，高性能に運用可能とする環境適応ソフトウェアを提案してきた．本稿は，画像処理，信号処理等の処理の計算タイプに応じた，FPGAへの自動オフロードを対象とする．オフロードしたい既存のアプリケーションをパターンマッチングで抽象構文木を用いて意味的に分析し，置換可能なOpenCLがある計算タイプか把握する．OpenCLが見つかった場合は，そのOpenCLに置換し性能向上を確認する．提案方式で自動オフロードできることを，Intel Stratixの実FPGAを用いて，処理時間を計測して確認する．

電子情報通信学会ネットワークシステム研究会，電子情報通信学会技術報告，NS2025-187，2025年12月研究会

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