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Peter Spalthoff @ FPGAx 2022

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April 20, 2022
Programming
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Peter Spalthoff @ FPGAx 2022

Vitis HLSでhlslibを使うことによる開発者QOL向上についてのLT。

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derpda

April 20, 2022

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Transcript

  1. Copyright © 2022 Nefrock.Inc. All Rights Reserved. hlslibでdataflowの 正確なsw_emu 株式会社ネフロック

    　@nefrock_inc Spalthoff Peter 　@derpda

  2. Copyright © 2022 Nefrock.Inc. All Rights Reserved. hlslibの概要 • Vitis

    HLSの拡張 • 開発者のQOLの向上 ◦ CMakeインテグレーション、ホストコードの簡素化などなど • OSSのヘッダー・ライブラリ ◦ www.github.com/definelicht/hlslib ◦ 自分もPRをいくつか投げた

  3. Copyright © 2022 Nefrock.Inc. All Rights Reserved. dataflowのsw_emu ビルドの速さ HLS+hlslib

    HLS Cmake+gcc：簡単・高速 streamの深さはhwと合致 マルチスレッド：可 V++：複雑・低速 streamの深さは無限 シングルスレッド：不可 Hw動作の正確な エミュレーション デッドロック検知

  4. Copyright © 2022 Nefrock.Inc. All Rights Reserved. hlslibでdataflowの書き方 ビルドすると全く同じhwになります！ HLS+hlslib

    HLS

  5. Copyright © 2022 Nefrock.Inc. All Rights Reserved. 挙動の違い　ー　hw動作のエミュレーション HLS hw

    HLS+hlslib

  6. Copyright © 2022 Nefrock.Inc. All Rights Reserved. 挙動の違い　ー　デッドロック検知 hw HLS

    HLS+hlslib

  7. Copyright © 2022 Nefrock.Inc. All Rights Reserved. まとめ • hlslibというOSSライブラリでHLSのQOLを向上

    • 正確なdataflowのsw_emuでデッドロックの検知 • 他にも様々な便利な機能 ◦ www.github.com/definelicht/hlslibをご確認

  8. Copyright © 2022 Nefrock.Inc. All Rights Reserved. ご清聴ありがとうございました