From 84f1235c44abf723c9f15f5e471891fbed98b5b9 Mon Sep 17 00:00:00 2001
From: Ruben Vorderman <r.h.p.vorderman@lumc.nl>
Date: Fri, 19 Jun 2020 13:17:39 +0200
Subject: [PATCH] Do not use unnecessary threads

---
 bwa.wdl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bwa.wdl b/bwa.wdl
index 3dd7883..2cf637d 100644
--- a/bwa.wdl
+++ b/bwa.wdl
@@ -132,7 +132,9 @@ task Kit {
     }
 
     runtime {
-        cpu: threads + 1  # One thread for bwa-postalt + samtools.
+        # One extra thread for bwa-postalt + samtools is not needed.
+        # These only use 5-10% of compute power and not always simultaneously.
+        cpu: threads  
         memory: memory
         time_minutes: timeMinutes
         docker: dockerImage
-- 
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