Changeset 889

Timestamp:

Feb 25, 2013, 11:32:51 AM (12 years ago)

Author:

emillour

Message:

Mars and Generic model:

• added "-fp-model precise" option when compiling with ifort, which fixes issues with tracer mass conservation in the dynamics (NB: these occur namely when running in single precision; double precision computations seem OK without this option).

EM

Location:

trunk

Files:

• LMDZ.GENERIC/README (modified) (1 diff)
• LMDZ.GENERIC/makegcm_ifort (modified) (2 diffs)
• LMDZ.MARS/README (modified) (1 diff)
• LMDZ.MARS/makegcm_ifort (modified) (2 diffs)

trunk/LMDZ.GENERIC/README

@@ -908 +908 @@
 an earth case.
  
-
-
+== 25/02/2013 == EM
+- added "-fp-model precise" option when compiling with ifort (fixes unexplained
+  mass loss of tracer in the dynamics)
+  
+

trunk/LMDZ.GENERIC/makegcm_ifort

@@ -31 +31 @@
     setenv NCDFLIB /usr/local/lib
     setenv NCDFINC /usr/local/include
-endif
-# NetCDF, on LMD farm:
-#setenv NCDFLIB /donnees/emlmd/netcdf64-4.0.1_ifort/lib
-#setenv NCDFINC /donnees/emlmd/netcdf64-4.0.1_ifort/include
-####
+else
+   # NetCDF, on LMD farm:
+    echo "LMD machines"
+    setenv NCDFLIB /donnees/emlmd/netcdf64-4.0.1_ifort/lib
+    setenv NCDFINC /donnees/emlmd/netcdf64-4.0.1_ifort/include
+endif
 
 setenv localdir "`pwd`"
@@ -183 +184 @@
 else if $LINUX then
    #NB: on gnome -O3 ==> NaNs ...
-   set optim=" -O2 -ip -mkl=sequential -align all -static "
-   set optim90=" -O2 -ip -mkl=sequential -align all -static "
-   set optimtru90=" -O2 -ip -mkl=sequential -align all -static "
+   set optim=" -O2 -fp-model precise -ip -mkl=sequential -align all -static "
+   set optim90=" -O2 -fp-model precise -ip -mkl=sequential -align all -static "
+   set optimtru90=" -O2 -fp-model precise -ip -mkl=sequential -align all -static "
    if ( `hostname` == ciclad1.ipsl.jussieu.fr ) then
        echo "YOU ARE ON CICLAD CLUSTER"

trunk/LMDZ.MARS/README

@@ -1835 +1835 @@
 - makegcm : use of phy$physique instead of phymars for scatterrers
  
+== 25/02/2013 == EM
+- added "-fp-model precise" option when compiling with ifort (fixes unexplained
+  mass loss of tracer in the dynamics)
+  

trunk/LMDZ.MARS/makegcm_ifort

@@ -26 +26 @@
 setenv LIBOGCM $LMDGCM/libo
 ## NetCDF Libraries: what follows is OK on GNOME
-#  setenv NCDFLIB /usr/local/lib
-#  setenv NCDFINC /usr/local/include
-####
-
-## NetCDF Libraries: what follows is OK on LMD network
-setenv NCDFLIB /donnees/emlmd/netcdf64-4.0.1_ifort/lib
-setenv NCDFINC /donnees/emlmd/netcdf64-4.0.1_ifort/include
-####
+if ( `hostname` == n201 ) then
+    echo "GNOME cluster"
+    setenv NCDFLIB /usr/local/lib
+    setenv NCDFINC /usr/local/include
+else
+   # NetCDF, on LMD farm:
+    echo "LMD machines"
+    setenv NCDFLIB /donnees/emlmd/netcdf64-4.0.1_ifort/lib
+    setenv NCDFINC /donnees/emlmd/netcdf64-4.0.1_ifort/include
+endif
 
 setenv localdir "`pwd`"
@@ -183 +185 @@
    #NB: on gnome -O3 ==> NaNs ...
    if (`grep sse4_2 /proc/cpuinfo` !=) then
-      set optim=" -O2 -ip -mkl=sequential -align all -xSSE4.2 -static"
-      set optim90=" -O2 -ip -mkl=sequential -align all -xSSE4.2 -static"
-      set optimtru90=" -O2 -ip -mkl=sequential -align all -xSSE4.2 -static"
+      set optim=" -O2 -fp-model precise -ip -mkl=sequential -align all -xSSE4.2 -static"
+      set optim90=" -O2 -fp-model precise -ip -mkl=sequential -align all -xSSE4.2 -static"
+      set optimtru90=" -O2 -fp-model precise -ip -mkl=sequential -align all -xSSE4.2 -static"
    else
-      set optim=" -O2 -ip -mkl=sequential -align all -static"
-      set optim90=" -O2 -ip -mkl=sequential -align all -static"
-      set optimtru90=" -O2 -ip -mkl=sequential -align all -static"
+      set optim=" -O2 -fp-model precise -ip -mkl=sequential -align all -static"
+      set optim90=" -O2 -fp-model precise -ip -mkl=sequential -align all -static"
+      set optimtru90=" -O2 -fp-model precise -ip -mkl=sequential -align all -static"
    endif
 #   set opt_link=" -Mfree -lpgf90 -lpgftnrtl -lpghpf -lpghpf2 -L$NCDFLIB -lnetcdf -Bstatic "