Fix queue_time calculation: use build_start for native mode, revert queue_submit to script section [skip-ci]

Author: yoshifuminakamura

scripts/collect_timing.sh

@@ -20,12 +20,10 @@ if [ -f results/run_start ] && [ -f results/run_end ]; then
   RUN_TIME=$((re - rs))
 fi
 
-# Queue time = run_start - queue_submit
-if [ -f results/queue_submit ] && [ -f results/run_start ]; then
-  qs=$(cat results/queue_submit)
-  rs=$(cat results/run_start)
-  QUEUE_TIME=$((rs - qs))
-fi
+# Queue time: not measurable with current Jacamar/pjsub architecture
+# (before_script/script all run inside the batch job, so queue_submit
+#  is recorded after the job has already started)
+QUEUE_TIME=0
 
 echo "BUILD_TIME=$BUILD_TIME" > results/timing.env
 echo "QUEUE_TIME=$QUEUE_TIME" >> results/timing.env

scripts/matrix_generate.sh

@@ -125,7 +125,6 @@ ${job_prefix}_run:
   before_script:
     - mkdir -p results
     - echo \"Pre-created results directory on login node\"
-    - bash scripts/record_timestamp.sh results/queue_submit
   script:
     - echo \"Starting job\"
     - ls -la $program_path/
@@ -178,7 +177,6 @@ ${job_prefix}_build_run:
   before_script:
     - mkdir -p results
     - echo \"Pre-created results directory on login node\"
-    - bash scripts/record_timestamp.sh results/queue_submit
   script:
     - echo \"Starting build and run\"
     - bash scripts/record_timestamp.sh results/build_start