Order of the columns of a CSR matrix

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This topic contains 2 replies, has 2 voices, and was last updated by  jvdp 8 months, 2 weeks ago.

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  • Author
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  • #1479

    jvdp
    Member

    Dear,

    I would like to use Paralution inside a Frotran program. The upper triangle of a symmetric matrix (LHS) is stored in the one-based CSR format (3 arrays).
    Does Paralution require that the elements in the array “columns” are placed in the order in which the associated values occur in the row? Currently, the elements within a row are randomly placed in the CSR matrix.

    Thank you.

    Jeremie

    #1485

    nico
    Participant

    Hi Jeremie,

    Most of our algorithms require sorted rows in CSR format.

    Best
    Nico

    #1486

    jvdp
    Member

    Thank you.

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