Intel® oneAPI Math Kernel Library
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Are there functions to calculate the local indexes of block-cyclic distribution?

Ye_C_1
Beginner
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I want to transfer a global index m to local indexes (p,b,i) and vice versa.

Are there functions to do the calculations, m -> (p,b,i) and (p,b,i) -> m, in scalapack?

 

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Zhen_Z_Intel
Employee
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Hi Ye,

You could use auxiliary function p?lacp3 in ScaLAPACK. This function could copy global parallel array into local arrays. Learn more information please visit https://software.intel.com/en-us/node/521586

Best regards,

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