diff --git a/Source/Fortran/makefile_fast b/Source/Fortran/makefile_fast
index 914cc185a307222e752882b418c72c6eb55eb271..7b0a21519ccaab8b5736b4e256d1bf472c5667f7 100644
--- a/Source/Fortran/makefile_fast
+++ b/Source/Fortran/makefile_fast
@@ -18,12 +18,13 @@ 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) $(LIB) -fopenmp
 SRC = ./rwgrib2.f90 ./calc_etadot.f90 ./ftrafo.f90 ./grphreal.f90 ./posnam.f90 ./phgrreal.f90
diff --git a/Testing/Regression/FortranEtadot/run_ref.sh b/Testing/Regression/FortranEtadot/run_ref.sh
index d48bc32166d176b434a7b9680b1f8e3e679f93d8..065a2919a6b4e68434d94dfb7a25bc18e626dd19 100755
--- a/Testing/Regression/FortranEtadot/run_ref.sh
+++ b/Testing/Regression/FortranEtadot/run_ref.sh
@@ -13,6 +13,7 @@ path=../${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
 rm -f log.run_ref failed
 
@@ -51,7 +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
@@ -68,11 +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'
@@ -88,7 +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 65e811f7972ed0a123fce7365f0f8c817314a88e..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
@@ -83,11 +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
   
@@ -98,7 +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