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Merge branch 'feature/merge' into feature/closeness
2 parents 9ea27dc + 666a222 commit d886d3c

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+3
-22
lines changed

2 files changed

+3
-22
lines changed

nx_parallel/algorithms/shortest_paths/dense.py

Lines changed: 3 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -40,36 +40,21 @@ def floyd_warshall(G, weight="weight", blocking_factor=None):
4040
A = _adjacency_matrix(G, weight, nodelist, undirected)
4141
n = G.number_of_nodes()
4242

43-
total_cores = nxp.cpu_count()
44-
print(
45-
"number of nodes: ",
46-
n,
47-
" number of core: ",
48-
total_cores,
49-
)
43+
total_cores = nxp.get_n_jobs()
44+
5045
if blocking_factor is None:
5146
blocking_factor, is_prime = _find_nearest_divisor(n, total_cores)
5247
no_of_primary = n // blocking_factor
5348

54-
print(
55-
"blocking factor: ",
56-
blocking_factor,
57-
" number of block: ",
58-
no_of_primary,
59-
" number of core: ",
60-
total_cores,
61-
)
6249
for primary_block in range(no_of_primary):
6350
k_start = (primary_block * n) // no_of_primary
6451
k_end = k_start + (n // no_of_primary) - 1
6552
if is_prime and primary_block == no_of_primary - 1:
6653
k_end = k_end + (n % no_of_primary)
6754
k = (k_start, k_end)
6855
# Phase 1: Compute Primary block
69-
# print("\n\niteration:",primary_block,"\n\n")
7056
# Execute Normal floyd warshall for the primary block submatrix
7157
_partial_floyd_warshall_numpy(A, k, k, k)
72-
# print("After phase 1 - it",primary_block,":\n",A)
7358
# Phase 2: Compute Cross block
7459

7560
params = []
@@ -87,8 +72,7 @@ def floyd_warshall(G, weight="weight", blocking_factor=None):
8772
Parallel(n_jobs=(no_of_primary - 1) * 2, require="sharedmem")(
8873
delayed(_partial_floyd_warshall_numpy)(A, k, i, j) for (i, j) in params
8974
)
90-
# print("phase 2, coordinate", params)
91-
# print("After phase 2 - it",primary_block,":\n",A)
75+
9276
# Phase 3: Compute remaining
9377
params.clear()
9478
for block_i in range(no_of_primary):
@@ -106,9 +90,6 @@ def floyd_warshall(G, weight="weight", blocking_factor=None):
10690
Parallel(n_jobs=(no_of_primary - 1) ** 2, require="sharedmem")(
10791
delayed(_partial_floyd_warshall_numpy)(A, k, i, j) for (i, j) in params
10892
)
109-
# print("phase 3, coordinate", params)
110-
# print("After phase 3 - it",primary_block,":\n",A)
111-
# print("Matrice di adiacenza \n", A)
11293
dist = _matrix_to_dict(A, nodelist)
11394

11495
return dist
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