def test_distributed_matrix_global_index(na, nev, nblk):
import numpy as np
from pyelpa import ProcessorLayout, DistributedMatrix
from mpi4py import MPI
comm = MPI.COMM_WORLD
layout_p = ProcessorLayout(comm)
for dtype in [np.float64, np.complex128]:
a = DistributedMatrix(layout_p, na, nev, nblk, dtype=dtype)
for local_row in range(a.na_rows):
for local_col in range(a.na_cols):
global_row, global_col = a.get_global_index(
local_row, local_col)
l_row, l_col = a.get_local_index(global_row, global_col)
assert (global_row >= 0 and global_row < a.na)
assert (global_col >= 0 and global_col < a.na)
assert (local_row == l_row and local_col == l_col)
def test_setting_global_matrix(na, nev, nblk):
import numpy as np
from pyelpa import ProcessorLayout, DistributedMatrix
from mpi4py import MPI
comm = MPI.COMM_WORLD
layout_p = ProcessorLayout(comm)
for dtype in [np.float64, np.complex128]:
a = DistributedMatrix(layout_p, na, nev, nblk, dtype=dtype)
# get global matrix that is equal on all cores
matrix = get_random_vector(na * na).reshape(na, na).astype(dtype)
a.set_data_from_global_matrix(matrix)
# check data
for global_row in range(a.na):
for global_col in range(a.na):
if not a.is_local_index(global_row, global_col):
continue
local_row, local_col = a.get_local_index(
global_row, global_col)
assert (a.data[local_row, local_col] == matrix[global_row,
global_col])
def test_distributed_matrix_indexing_loop(na, nev, nblk):
import numpy as np
from pyelpa import ProcessorLayout, DistributedMatrix
from mpi4py import MPI
comm = MPI.COMM_WORLD
layout_p = ProcessorLayout(comm)
for dtype in [np.float64, np.complex128]:
a = DistributedMatrix(layout_p, na, nev, nblk, dtype=dtype)
for local_row in range(a.na_rows):
for local_col in range(a.na_cols):
global_row, global_col = a.get_global_index(
local_row, local_col)
a.data[local_row, local_col] = global_row * 10 + global_col
for global_row in range(a.na):
for global_col in range(a.na):
if not a.is_local_index(global_row, global_col):
continue
local_row, local_col = a.get_local_index(
global_row, global_col)
assert (a.data[local_row,
local_col] == global_row * 10 + global_col)