[cig-commits] r19223 - seismo/3D/SPECFEM3D_GLOBE/trunk/src/specfem3D
dkomati1 at geodynamics.org
dkomati1 at geodynamics.org
Mon Nov 21 10:41:13 PST 2011
Author: dkomati1
Date: 2011-11-21 10:41:13 -0800 (Mon, 21 Nov 2011)
New Revision: 19223
Modified:
seismo/3D/SPECFEM3D_GLOBE/trunk/src/specfem3D/specfem3D.F90
Log:
added a comment about -D_HANDOPT for the IBM xlf compiler
Modified: seismo/3D/SPECFEM3D_GLOBE/trunk/src/specfem3D/specfem3D.F90
===================================================================
--- seismo/3D/SPECFEM3D_GLOBE/trunk/src/specfem3D/specfem3D.F90 2011-11-21 18:01:59 UTC (rev 19222)
+++ seismo/3D/SPECFEM3D_GLOBE/trunk/src/specfem3D/specfem3D.F90 2011-11-21 18:41:13 UTC (rev 19223)
@@ -28,8 +28,10 @@
! United States and French Government Sponsorship Acknowledged.
! preprocessing definition: #define _HANDOPT : turns hand-optimized code on
-! #undef _HANDOPT : turns hand-optimized code off
+! #undef _HANDOPT : turns hand-optimized code off
! or compile with: -D_HANDOPT
+! (with the IBM xlf compiler, change this to -WF,-D_HANDOPT )
+!
!#define _HANDOPT
! note: these hand optimizations should help compilers to pipeline the code and make better use of the cache;
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