diff --git a/Source/Fortran/calc_etadot.f90 b/Source/Fortran/calc_etadot.f90
index 542997d20f47c0e4b7dec9968d30dacf70fd72f7..741eba91eab049df23a560219d0f2656a6cc9881 100644
--- a/Source/Fortran/calc_etadot.f90
+++ b/Source/Fortran/calc_etadot.f90
@@ -485,24 +485,25 @@ PROGRAM calc_etadot
 
   END IF ! MGAUSS
 
-!! CREATE FILE VERTICAL.EC NEEDED BY POP MODEL  
-
-  OPEN(21,FILE='VERTICAL.EC')
-  WRITE(21,'(A)')
-  WRITE(21,'(A)') 'VERTICAL DISCRETIZATION OF POP MODEL'
-  WRITE(21,'(A)')
-  write(21,'(i3,a)') MLEVEL,'   number of layers'
-  WRITE(21,'(A)')
-  WRITE(21,'(A)') '* A(NLEV+1)'
-  WRITE(21,'(A)')
-  DO 205 I=1,MLEVEL+1
-205 WRITE(21,'(F18.12)') AK(I)
-  WRITE(21,'(A)')
-  WRITE(21,'(A)') '* B(NLEV+1)'
-  WRITE(21,'(A)')
-  DO 210 I=1,MLEVEL+1
-210 WRITE(21,'(F18.12)') BK(I)
-  CLOSE(21)
+! CREATE FILE VERTICAL.EC NEEDED BY POP MODEL  
+! 2020-06-25 Commented out by PS - not needed anymore
+
+!  OPEN(21,FILE='VERTICAL.EC')
+!  WRITE(21,'(A)')
+!  WRITE(21,'(A)') 'VERTICAL DISCRETIZATION OF POP MODEL'
+!  WRITE(21,'(A)')
+!  write(21,'(i3,a)') MLEVEL,'   number of layers'
+!  WRITE(21,'(A)')
+!  WRITE(21,'(A)') '* A(NLEV+1)'
+!  WRITE(21,'(A)')
+!  DO 205 I=1,MLEVEL+1
+!205 WRITE(21,'(F18.12)') AK(I)
+!  WRITE(21,'(A)')
+!  WRITE(21,'(A)') '* B(NLEV+1)'
+!  WRITE(21,'(A)')
+!  DO 210 I=1,MLEVEL+1
+!210 WRITE(21,'(F18.12)') BK(I)
+!  CLOSE(21)
 
 !------------------------------------------------------------------
 ! READING OF OMEGA                           
diff --git a/Source/Fortran/makefile_debug b/Source/Fortran/makefile_debug
index 538a3b3e00edba49892c0e1b8047444b06a5e195..93d4a09032e1fd05a1805eec40ad69f32230b6a8 100644
--- a/Source/Fortran/makefile_debug
+++ b/Source/Fortran/makefile_debug
@@ -14,7 +14,7 @@
 
 EXE      =  calc_etadot_debug.out
 
-ECCODES_LIB=  -Bstatic -leccodes_f90 -leccodes -Bdynamic -lm -ljasper
+ECCODES_LIB=  -Bstatic -leccodes_f90 -leccodes -Bdynamic -lm 
 EMOSLIB=-lemosR64
 LIB =  $(ECCODES_LIB) $(EMOSLIB)
 
diff --git a/Source/Fortran/makefile_fast b/Source/Fortran/makefile_fast
index 2e12c9c4746491a9dc5d4f2f347bc9534505b8c1..7b0a21519ccaab8b5736b4e256d1bf472c5667f7 100644
--- a/Source/Fortran/makefile_fast
+++ b/Source/Fortran/makefile_fast
@@ -14,16 +14,17 @@
 
 EXE      =  calc_etadot_fast.out
 
-ECCODES_LIB =  -Bstatic -leccodes_f90 -leccodes -Bdynamic -lm -ljasper
+ECCODES_LIB =  -Bstatic -leccodes_f90 -leccodes -Bdynamic -lm 
 EMOSLIB=-lemosR64
 LIB =  $(ECCODES_LIB) $(EMOSLIB)
 
-ECCODES_INCLUDE_DIR=/usr/local/include/
-#/usr/lib/x86_64-linux-gnu/fortran/gfortran-mod-15
+ECCODES_INCLUDE_DIR=/usr/lib/x86_64-linux-gnu/fortran/gfortran-mod-15
+#/usr/local/include/ #oldstable
+
 INC = -I. -I$(ECCODES_INCLUDE_DIR)
 
 FC = gfortran 
-OPT = -O3 -march=native
+OPT = -O3 # -O3 -march=native
 FFLAGS =   $(OPT) $(LIB) $(INC) -fdefault-real-8 -fopenmp -fconvert=big-endian 
 LDFLAGS =  $(OPT) $(LIB) -fopenmp
 SRC = ./rwgrib2.f90 ./calc_etadot.f90 ./ftrafo.f90 ./grphreal.f90 ./posnam.f90 ./phgrreal.f90
diff --git a/Testing/Regression/FortranEtadot/run_ref.sh b/Testing/Regression/FortranEtadot/run_ref.sh
index eb064de9e34d9ceba90ee9569fa1ec3bec638bb0..065a2919a6b4e68434d94dfb7a25bc18e626dd19 100755
--- a/Testing/Regression/FortranEtadot/run_ref.sh
+++ b/Testing/Regression/FortranEtadot/run_ref.sh
@@ -13,11 +13,13 @@ path=../${path1}
 exedebug=calc_etadot_debug.out
 exefast=calc_etadot_fast.out
 hash=$(git log --abbrev-commit --pretty=oneline -n 1  --pretty=format:'%h')
+csvfile='runtimes_'${HOST}'.csv'
 exitonfail=true
 rm -f log.run_ref failed
 
 # loop over all reference runs
 rm -f log.run_ref
+rm -f Work/*
 
 if [ "$1" = omithigh ]; then # for fast testing, not for production
                              # requires > 16 GB 
@@ -50,7 +52,7 @@ for ref in $inputs; do
       echo $ref $exe 'FAILED' >> ${testhome}/failed
       if [ "${exitonfail}" = true ]; then exit; fi
     fi
-    for outfile in 'fort.15' 'VERTICAL.EC'; do
+    for outfile in 'fort.15' ; do
       if [ -e $outfile ]; then
         mv ${outfile} ../${outdir}
       else
@@ -67,11 +69,11 @@ for ref in $inputs; do
   
   # compare debug and fast
   # omega case also produces fort.25 - need to add this
-  for outfile in 'fort.15' 'VERTICAL.EC'; do
+  for outfile in 'fort.15' ; do
     outdebug='Outputs/Output_ref_'${ref}'_debug/'$outfile
     outfast='Outputs/Output_ref_'${ref}'_fast/'$outfile
-    test=$(cmp  $outdebug $outfast)
-    if $test; then
+    test=$()
+    if cmp -s $outdebug $outfast >/dev/null; then
       echo $outfile '    equal for debug and fast' >> log.run_ref
     else
       echo 'WARNING:' $outfile '    not equal for debug and fast, test failed'
@@ -87,7 +89,7 @@ for ref in $inputs; do
     real=$(echo $times | grep real | awk '{print $2}')
     user=$(echo $times | grep user | awk '{print $4}')
     sys=$( echo $times | grep sys  | awk '{print $6}')
-    echo $hash, "'"reference"'", "'"${ref}'_'${exe}"'", ${real}, ${user}, ${sys} >> runtimes.csv
+    echo $hash, "'"reference"'", "'"${ref}'_'${exe}"'", ${real}, ${user}, ${sys} >> ${csvfile}
     tail -1 runtimes.csv >> log.run_ref
   done
   
diff --git a/Testing/Regression/FortranEtadot/run_regrtest.sh b/Testing/Regression/FortranEtadot/run_regrtest.sh
index e00a47e26bc0f6541e6347eafef17af49a30b6f7..1284adae7ac30f873f543e060e03ff6eb078b45c 100755
--- a/Testing/Regression/FortranEtadot/run_regrtest.sh
+++ b/Testing/Regression/FortranEtadot/run_regrtest.sh
@@ -16,6 +16,7 @@ path=../${path1}
 exedebug=calc_etadot_debug.out
 exefast=calc_etadot_fast.out
 hash=$(git log --abbrev-commit --pretty=oneline -n 1  --pretty=format:'%h')
+csvfile='runtimes_'${HOST}'.csv'
 exitonfail=true
 numtest=0
 numpassed=0
@@ -31,7 +32,7 @@ else
 fi
 for ref in $inputs; do
 
-  echo 'Working on test case =' $ref
+  echo 'Working on test case =' $ref | tee -a ../log.run_regr
 
   # loop over debug and fast runs
   for exe in 'debug' 'fast'; do
@@ -61,8 +62,7 @@ for ref in $inputs; do
         # compare reference and current version
         # omega case also produces fort.25 - need to add this
         outref='../Outputs/Output_ref_'${ref}'_'${exe}'/'$outfile
-        test=$(cmp  $outfile $outref)
-        if $test; then
+        if cmp -s $outfile $outref >/dev/null; then
           echo '    '$outfile '    test passed' | tee -a ../log.run_regr
         else
           echo 'WARNING:' $outfile '     test failed' | tee -a ../log.run_regr
@@ -84,11 +84,11 @@ for ref in $inputs; do
     real=$(echo $times | grep real | awk '{print $2}')
     user=$(echo $times | grep user | awk '{print $4}')
     sys=$( echo $times | grep sys  | awk '{print $6}')
-    echo $hash, "'"reference"'", "'"${ref}'_'${exe}"'", ${real}, ${user}, ${sys} >> ../runtimes.csv
-    tail -1 ../runtimes.csv >> log.run_regr
+    echo $hash, "'"reference"'", "'"${ref}'_'${exe}"'", ${real}, ${user}, ${sys} >> ../${csvfile}
+    tail -1 ../${csvfile} >> log.run_regr
 
     cd ..
-    rm Work/* # this is for being more safe
+    rm -f Work/* # this is for being more safe
 
   done # end of exe loop
   
@@ -99,7 +99,7 @@ echo
 echo ' Regression test: ' $numpassed 'out of' $numtest 'tests passed'. \
   | tee -a ../log.run_regr
 echo ' More information may be found in log.run_regr' 
-echo ' Runtimes were added to runtimes.csv under '$hash | tee -a ../log.run_regr
+echo ' Runtimes were added to '${csvfile}' under '$hash | tee -a ../log.run_regr
 
 # the following code is executed only if exitonfail is not set to 'true'.
 if [ -e failed ]; then 
diff --git a/Testing/Regression/FortranEtadot/runtimes.imp7 b/Testing/Regression/FortranEtadot/runtimes_imp7.csv
similarity index 50%
rename from Testing/Regression/FortranEtadot/runtimes.imp7
rename to Testing/Regression/FortranEtadot/runtimes_imp7.csv
index c709fb5868139ce18593dd33f9d589be2691397e..2bf6fd25be83396e05dfe4d985127a0124d2dfab 100644
--- a/Testing/Regression/FortranEtadot/runtimes.imp7
+++ b/Testing/Regression/FortranEtadot/runtimes_imp7.csv
@@ -14,3 +14,19 @@
 949379e, 'reference', 'latlon_fast', 0m0.673s, 0m7.032s, 0m0.152s
 949379e, 'reference', 'latlonall_debug', 0m0.777s, 0m6.772s, 0m0.620s
 949379e, 'reference', 'latlonall_fast', 0m0.687s, 0m7.064s, 0m0.196s
+d90a529, 'reference', 'etadot_debug', 0m0.504s, 0m0.431s, 0m0.016s
+d90a529, 'reference', 'etadot_fast', 0m0.442s, 0m0.529s, 0m0.017s
+d90a529, 'reference', 'etadotall_debug', 0m0.576s, 0m0.603s, 0m0.048s
+d90a529, 'reference', 'etadotall_fast', 0m0.604s, 0m0.673s, 0m0.028s
+d90a529, 'reference', 'etadothigh_debug', 17m14.011s, 16m31.983s, 0m18.441s
+d90a529, 'reference', 'etadothigh_fast', 17m23.426s, 16m31.624s, 0m21.645s
+d90a529, 'reference', 'gauss_debug', 0m3.348s, 0m7.130s, 0m0.208s
+d90a529, 'reference', 'gauss_fast', 0m2.403s, 0m5.028s, 0m0.156s
+d90a529, 'reference', 'gaussall_debug', 0m12.126s, 0m28.251s, 0m0.648s
+d90a529, 'reference', 'gaussall_fast', 0m9.868s, 0m23.323s, 0m0.880s
+d90a529, 'reference', 'gausshigh_debug', 5m4.089s, 14m23.018s, 0m12.998s
+d90a529, 'reference', 'gausshigh_fast', 4m48.049s, 13m11.227s, 0m16.318s
+d90a529, 'reference', 'latlon_debug', 0m0.657s, 0m0.681s, 0m0.016s
+d90a529, 'reference', 'latlon_fast', 0m0.485s, 0m0.563s, 0m0.004s
+d90a529, 'reference', 'latlonall_debug', 0m0.544s, 0m0.613s, 0m0.012s
+d90a529, 'reference', 'latlonall_fast', 0m0.534s, 0m0.620s, 0m0.020s