Added compile option to avoid writing output at checkpoints

Signed-off-by: Gaurav Kukreja <gaurav.kukreja@tum.de>

SConstruct

@@ -114,7 +114,9 @@ vars.AddVariables(
   
   BoolVariable( 'countflops', 'enable flop counting; defines the macro COUNTFLOPS', False ),
 
-  BoolVariable( 'loop_openmp', 'enable loop parallelization using OpenMP', False )
+  BoolVariable( 'loop_openmp', 'enable loop parallelization using OpenMP', False ),
+
+  BoolVariable( 'write_output', 'write output files at each checkpoint', True )
 )
 
 # external variables
@@ -234,6 +236,9 @@ if env['loop_openmp']:
   env.Append(CCFLAGS=['-DLOOP_OPENMP', '-openmp'])
   env.Append(LINKFLAGS=['-openmp'])
 
+if env['write_output']:
+  env.Append(CCFLAGS=['-DWRITE_OUTPUT'])
+
 # Vectorization?
 if env['compileMode'] == 'release' and env['vectorize']:
   env.Append(CPPDEFINES=['VECTORIZE'])

build/options/SWE_intel_fwavevec_omp_vec.py

@@ -30,10 +30,11 @@
 loop_openmp='yes'
 #countflops='yes'
 compiler='intel'
-#parallelization='mpi'
+parallelization='mpi'
 solver='fwavevec'
 #solver='augrie'
 #writeNetCDF='yes'
+write_output='no'
 
 # Library paths (only required of not installed in default path)
 #netCDFDir=''

src/examples/swe_mpi.cpp

@@ -127,7 +127,9 @@ int main( int argc, char** argv ) {
   #ifndef READXML
   args.addOption("grid-size-x", 'x', "Number of cell in x direction");
   args.addOption("grid-size-y", 'y', "Number of cell in y direction");
+  //#ifdef WRITE_OUTPUT
   args.addOption("output-basepath", 'o', "Output base file name");
+  //#endif // WRITE_OUTPUT
   args.addOption("output-steps-count", 'c', "Number of output time steps");
   #ifdef ASAGI
   args.addOption("bathymetry-file", 'b', "File containing the bathymetry");
@@ -408,11 +410,13 @@ int main( int argc, char** argv ) {
 		  l_dX, l_dY,
 		  l_blockPositionX*l_nXLocal, l_blockPositionY*l_nYLocal );
 #endif
+#ifdef WRITE_OUTPUT
   // Write zero time step
   l_writer.writeTimeStep( l_wavePropgationBlock.getWaterHeight(),
                           l_wavePropgationBlock.getDischarge_hu(),
                           l_wavePropgationBlock.getDischarge_hv(),
                           (float) 0.);
+#endif // WRITE_OUTPUT
   /**
    * Simulation.
    */
@@ -485,6 +489,7 @@ int main( int argc, char** argv ) {
       progressBar.update(l_t);
     }
 
+#ifdef WRITE_OUPUT
     // print current simulation time
     progressBar.clear();
     tools::Logger::logger.printOutputTime(l_t);
@@ -495,6 +500,7 @@ int main( int argc, char** argv ) {
                             l_wavePropgationBlock.getDischarge_hu(),
                             l_wavePropgationBlock.getDischarge_hv(),
                             l_t);
+#endif // WRITE_OUTPUT
   }
 
   /**