VecMTDotBegin#

Starts a split phase transpose multiple dot product computation.

Synopsis#

#include "petscvec.h"    
PetscErrorCode VecMTDotBegin(Vec x, PetscInt nv, const Vec y[], PetscScalar result[])

Input Parameters#

  • x - the first vector

  • nv - number of vectors

  • y - array of vectors

  • result - where the result will go (can be NULL)

Notes#

Each call to VecMTDotBegin() should be paired with a call to VecMTDotEnd().

See Also#

VecMTDotEnd(), VecNormBegin(), VecNormEnd(), VecNorm(), VecDot(), VecMDot(), VecDotBegin(), VecDotEnd(), VecMDotBegin(), VecMDotEnd(), PetscCommSplitReductionBegin()

Level#

advanced

Location#

src/vec/vec/utils/comb.c


Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages