dags/layers/inspiral.py: fix issue on how many svd bins to group up in...

dags/layers/inspiral.py: fix issue on how many svd bins to group up in inspiral jobs so that max concurrency is used properly

gstlal-inspiral/python/dags/layers/inspiral.py

@@ -198,7 +198,7 @@ def filter_layer(config, dag, ref_psd_cache, svd_bank_cache):
 	else:
 		max_concurrency = 20
 
-	num_per_group = 1 + (len(config.svd.bins) // max_concurrency)
+	num_per_group = min(1 + len(config.svd.bins) // 20, max_concurrency)
 	if num_per_group > 1:
 		common_opts.append(Option("local-frame-caching"))
 
@@ -302,7 +302,7 @@ def filter_injections_layer(config, dag, ref_psd_cache, svd_bank_cache):
 	else:
 		max_concurrency = 20
 
-	num_per_group = 1 + (len(config.svd.bins) // max_concurrency)
+	num_per_group = min(1 + len(config.svd.bins) // 20, max_concurrency)
 	if num_per_group > 1:
 		common_opts.append(Option("local-frame-caching"))