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  <author_name>inarizuuuushi</author_name>
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  <blog_title>Sabrou-mal サブロウ丸</blog_title>
  <blog_url>https://inarizuuuushi.hatenablog.com/</blog_url>
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  <description>OpenMPIにはReduce_scatterとReduce_scatter_blockの2種類の集団通信が定義されています。 Reduce_scatter MPI_Reduce_scatter(3) man page (version 4.1.8) それぞれのプロセスが持つデータを集約し、その結果を直和に配布します。 int MPI_Ireduce_scatter( const void *sendbuf, void *recvbuf, const int *recvcounts, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Re…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2025-03-14 17:23:39</published>
  <title>Reduce_scatter と Reduce_scatter_block</title>
  <type>rich</type>
  <url>https://inarizuuuushi.hatenablog.com/entry/2025/03/14/172339</url>
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