diff --git a/similarities/weekly_cosine_similarities.py b/similarities/weekly_cosine_similarities.py
index c64ab99..ebd6453 100755
--- a/similarities/weekly_cosine_similarities.py
+++ b/similarities/weekly_cosine_similarities.py
@@ -110,8 +110,8 @@ def cosine_similarities_weekly(tfidf_path, outfile, term_colname, included_subre
     # for week in weeks:
     #     week_similarities_helper(week)
     
-    with Pool(cpu_count()) as pool: # maybe it can be done with 128 cores on the huge machine?
-        list(pool.imap(week_similarities_helper, weeks))
+    with Pool(128) as pool: # maybe it can be done with 128 cores on the huge machine?
+        list(pool.imap_unordered(week_similarities_helper, weeks, 5))
     pool.close()