Split the current communicator, and give each group a complete copy of this
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(Matrix_ps), | intent(inout) | :: | this | The matrix to split. |
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| type(Matrix_ps), | intent(inout) | :: | split_mat | A copy of the matrix hosted on a small process grid. |
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| integer, | intent(out) | :: | my_color | Distinguishes between the two groups. |
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| logical, | intent(out) | :: | split_slice | If we split along the slice direction, this is True |