[cig-commits] r19477 - seismo/3D/SPECFEM3D/branches/SPECFEM3D_SUNFLOWER

[dkomati1 at geodynamics.org]

Author: dkomati1
Date: 2012-01-25 14:12:27 -0800 (Wed, 25 Jan 2012)
New Revision: 19477

Modified:
   seismo/3D/SPECFEM3D/branches/SPECFEM3D_SUNFLOWER/flags.guess
Log:
removed -qsave from the default flags.guess


Modified: seismo/3D/SPECFEM3D/branches/SPECFEM3D_SUNFLOWER/flags.guess
===================================================================
--- seismo/3D/SPECFEM3D/branches/SPECFEM3D_SUNFLOWER/flags.guess	2012-01-25 22:11:59 UTC (rev 19476)
+++ seismo/3D/SPECFEM3D/branches/SPECFEM3D_SUNFLOWER/flags.guess	2012-01-25 22:12:27 UTC (rev 19477)
@@ -131,9 +131,9 @@
         ;;
     *xlf*|*/*xlf*)
         #
-        # do NOT remove option -qsave otherwise the IBM compiler allocates the
+        # on some (but not all) IBM machines one might need to add -qsave otherwise the IBM compiler allocates the
         # arrays in the stack and the code crashes if the stack size is too
-        # small (which is often the case)
+        # small (which is sometimes the case, but less often these days on large machines)
         #
         # on IBM with xlf one should also set
         #
@@ -149,13 +149,13 @@
         #
         if test x"$FLAGS_NO_CHECK" = x; then
 # deleted -qxflag=dvz because it requires handler function __xl_dzx and thus linking will fail
-            #FLAGS_NO_CHECK="-O3 -qsave -qstrict -q64 -qtune=auto -qarch=auto -qcache=auto -qfree=f90 -qsuffix=f=f90 -qhalt=w -qlanglvl=2003pure -qxlf2003=nooldnaninf -qflttrap=overflow:zerodivide:invalid:enable -qfloat=nans -qinitauto=7FBFFFFF -Q -Q+rank,swap_all"
-            FLAGS_NO_CHECK="-O3 -qsave -qstrict -q64 -qtune=auto -qarch=auto -qcache=auto -qfree=f90 -qsuffix=f=f90 -qhalt=w -qlanglvl=95pure -qflttrap=overflow:zerodivide:invalid:enable -qfloat=nans -qinitauto=7FBFFFFF -Q -Q+rank,swap_all"
+            #FLAGS_NO_CHECK="-O3 -qstrict -q64 -qtune=auto -qarch=auto -qcache=auto -qfree=f90 -qsuffix=f=f90 -qhalt=w -qlanglvl=2003pure -qxlf2003=nooldnaninf -qflttrap=overflow:zerodivide:invalid:enable -qfloat=nans -qinitauto=7FBFFFFF -Q -Q+rank,swap_all"
+            FLAGS_NO_CHECK="-O3 -qstrict -q64 -qtune=auto -qarch=auto -qcache=auto -qfree=f90 -qsuffix=f=f90 -qhalt=w -qlanglvl=95pure -qflttrap=overflow:zerodivide:invalid:enable -qfloat=nans -qinitauto=7FBFFFFF -Q -Q+rank,swap_all"
         #
         # to debug with IBM xlf, add this: -g -O0 -C -qddim -qfullpath
         #
         # on MareNostrum at the Barcelona SuperComputing Center (Spain) one can use
-        # -qtune=ppc970 -qarch=ppc64v instead of -qtune=auto -qarch=auto
+        # -qtune=ppc970 -qarch=ppc64v -qsave     instead of -qtune=auto -qarch=auto
         fi
         if test x"$FLAGS_CHECK" = x; then
             FLAGS_CHECK="\$(FLAGS_NO_CHECK) -g -C -qddim -qfullpath"