BLACS -- Communication Routines

Broadcast

• Send (sub)matrix to all processes or subsection of processes in SCOPE, using various distribution patterns (TOP):

  • _xxBS2D(ICTXT, SCOPE, TOP, [UPLO, DIAG], M, N, A, LDA)
  • _xxBR2D(ICTXT, SCOPE, TOP, [UPLO, DIAG], M, N, A, LDA,
    RSRC, CSRC )

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