2080   PetscInt            *maxChildIds;  in DMPlexComputeInterpolatorTree()  local
2111   PetscCall(PetscMalloc1(pEndC - pStartC, &maxChildIds));  in DMPlexComputeInterpolatorTree()
2112   for (p = pStartC; p < pEndC; p++) maxChildIds[p - pStartC] = -2;  in DMPlexComputeInterpolatorTree()
2113   PetscCall(PetscSFReduceBegin(coarseToFineEmbedded, MPIU_INT, childIds, maxChildIds, MPI_MAX));  in DMPlexComputeInterpolatorTree()
2114   PetscCall(PetscSFReduceEnd(coarseToFineEmbedded, MPIU_INT, childIds, maxChildIds, MPI_MAX));  in DMPlexComputeInterpolatorTree()
2142     PetscInt maxChildId    = maxChildIds[p - pStartC];  in DMPlexComputeInterpolatorTree()
2239       PetscInt     maxChildId = maxChildIds[p - pStartC];  in DMPlexComputeInterpolatorTree()
2456     PetscCall(PetscFree(maxChildIds));  in DMPlexComputeInterpolatorTree()
3764   PetscInt          *maxChildIds;  in DMPlexTransferVecTree_Interpolate()  local
3805   PetscCall(PetscMalloc1(pEndC - pStartC, &maxChildIds));  in DMPlexTransferVecTree_Interpolate()
3806   for (p = pStartC; p < pEndC; p++) maxChildIds[p - pStartC] = -2;  in DMPlexTransferVecTree_Interpolate()
3807   PetscCall(PetscSFReduceBegin(coarseToFineEmbedded, MPIU_INT, cids, maxChildIds, MPIU_MAX));  in DMPlexTransferVecTree_Interpolate()
3808   PetscCall(PetscSFReduceEnd(coarseToFineEmbedded, MPIU_INT, cids, maxChildIds, MPIU_MAX));  in DMPlexTransferVecTree_Interpolate()
3852     PetscInt maxChildId = maxChildIds[p - pStartC];  in DMPlexTransferVecTree_Interpolate()
3892       PetscInt     maxChildId = maxChildIds[p - pStartC];  in DMPlexTransferVecTree_Interpolate()
3923     PetscCall(PetscFree(maxChildIds));  in DMPlexTransferVecTree_Interpolate()