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authorMarc Glisse <marc.glisse@inria.fr>2020-05-07 15:08:56 +0200
committerGitHub <noreply@github.com>2020-05-07 15:08:56 +0200
commitcb969cf6b98c4cef0a08eee698c81b0510206b84 (patch)
treeeacd2e9e837fd007c967e70e1c7486095ff7a124
parent412469e0e96b4091d3760400ea251b2bf180f1b2 (diff)
parent99549c20e9173b536ac816ab683bc13025f182a2 (diff)
Merge pull request #305 from mglisse/jobs
fix use of threads and n_jobs in Parallel
-rw-r--r--src/python/gudhi/point_cloud/knn.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/python/gudhi/point_cloud/knn.py b/src/python/gudhi/point_cloud/knn.py
index 07553d6d..34e80b5d 100644
--- a/src/python/gudhi/point_cloud/knn.py
+++ b/src/python/gudhi/point_cloud/knn.py
@@ -200,8 +200,8 @@ class KNearestNeighbors:
from joblib import Parallel, delayed, effective_n_jobs
from sklearn.utils import gen_even_slices
- slices = gen_even_slices(len(X), effective_n_jobs(-1))
- parallel = Parallel(backend="threading", n_jobs=-1)
+ slices = gen_even_slices(len(X), effective_n_jobs(n_jobs))
+ parallel = Parallel(prefer="threads", n_jobs=n_jobs)
if self.params.get("sort_results", True):
def func(M):
@@ -242,8 +242,8 @@ class KNearestNeighbors:
else:
func = lambda M: numpy.partition(M, k - 1)[:, 0:k]
- slices = gen_even_slices(len(X), effective_n_jobs(-1))
- parallel = Parallel(backend="threading", n_jobs=-1)
+ slices = gen_even_slices(len(X), effective_n_jobs(n_jobs))
+ parallel = Parallel(prefer="threads", n_jobs=n_jobs)
distances = numpy.concatenate(parallel(delayed(func)(X[s]) for s in slices))
return distances
return None