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        <datestamp>2025-01-19T23:40:52Z</datestamp>
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          <dc:title>Android OS向けMPI実行環境における並列処理性能の初期評価</dc:title>
          <dc:title xml:lang="en">Preliminary Evaluation of Parallel Processing Performance on MPI Runtime Environment for Android OS</dc:title>
          <jpcoar:creator>
            <jpcoar:creatorName>新里, 将大</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName>杉山, 裕紀</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName>大津, 金光</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName>大川, 猛</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName>横田, 隆史</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Masahiro, Nissato</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Hiroki, Sugiyama</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Kanemitsu, Ootsu</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Takeshi, Ohkawa</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Takashi, Yokota</jpcoar:creatorName>
          </jpcoar:creator>
          <jpcoar:subject subjectScheme="Other">ネットワーク</jpcoar:subject>
          <datacite:description descriptionType="Other">昨今，スマートフォンやタブレット端末などのモバイルコンピュータ機器の高性能化が著しく，高性能計算環境のための新しい計算資源として注目されている．我々は，Android OS を搭載したモバイルコンピュータ機器からなるクラスタシステムの研究開発を行っている．先行研究では，MPI を基盤とした並列処理を実現するために，Android OS のスーパーユーザ権限が必要であった．我々は，一般ユーザ権限の範囲で利用可能なクラスタシステムを構築するために，クラスタシステムの並列処理基盤を Android アプリケーションとして構築した．しかし，我々の並列処理環境では，並列プロセスを Android OS のアプリケーション上から起動するため，並列処理実行時のオーバヘッドが生じることが予想される．我々は，ベンチマークプログラムにより我々の構築したシステムと先行研究のシステムとの比較評価を行った．結果として，複数ノードでの MPI 並列処理について，我々の構築したシステムにおいても，従来システムと比較して同程度の性能が得られることが分かった．</datacite:description>
          <datacite:description descriptionType="Other">In recent years, performance of mobile computer devices such as smartphones and tablet computer devices has been greatly improved, and the devices are attracting attention as new computational resources for high performance computation. We are developing a cluster computer system that is composed of the devices running Android OS. In the preceding researches, super-user authority is required to realize a parallel processing environment. In order to realize the cluster system that can operate without super-user authority, we develop a parallel processing environment as Android application program. In the system with our new parallel processing environment, parallel processes are started from Android application. Therefore, Therefore, some overhead might occur on parallel processing. Hence, we clarify the performance of our system as compared to our conventional system by using benchmark programs. Preliminary evaluation results reveal that our system shows comparable parallel processing performance with the conventional system.</datacite:description>
          <dc:publisher xml:lang="ja">情報処理学会</dc:publisher>
          <datacite:date dateType="Issued">2019-01-23</datacite:date>
          <dc:language>jpn</dc:language>
          <dc:type rdf:resource="http://purl.org/coar/resource_type/c_18gh">technical report</dc:type>
          <jpcoar:identifier identifierType="URI">https://ipsj.ixsq.nii.ac.jp/records/194172</jpcoar:identifier>
          <jpcoar:sourceIdentifier identifierType="ISSN">2188-8574</jpcoar:sourceIdentifier>
          <jpcoar:sourceIdentifier identifierType="NCID">AN10096105</jpcoar:sourceIdentifier>
          <jpcoar:sourceTitle>研究報告システム・アーキテクチャ（ARC）</jpcoar:sourceTitle>
          <jpcoar:volume>2019-ARC-234</jpcoar:volume>
          <jpcoar:issue>13</jpcoar:issue>
          <jpcoar:pageStart>1</jpcoar:pageStart>
          <jpcoar:pageEnd>6</jpcoar:pageEnd>
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