MatDenseHIPGetArrayWrite#

Provides write access to the HIP buffer inside a MATDENSEHIP matrix.

Synopsis#

Not Collective

Input Parameter#

  • A - the matrix

Output Parameter#

  • a - the GPU array in column major order

Notes#

The data on the GPU may not be updated due to operations done on the CPU. If you need updated data, use MatDenseHIPGetArray().

The array must be restored with MatDenseHIPRestoreArrayWrite() when no longer needed.

See Also#

MATDENSEHIP, MatDenseHIPGetArray(), MatDenseHIPRestoreArray(), MatDenseHIPRestoreArrayWrite(), MatDenseHIPGetArrayRead(), MatDenseHIPRestoreArrayRead()

Level#

developer

Location#

src/mat/impls/dense/mpi/cupm/hip/matmpidensehip.hip.cpp


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