# Test the heat_petsc example:
# cd  ~/PETSC/#nr
# cp  ~/host.list  ./

yod -sz 4  ./heat_petsc
yod -sz 4  ./heat_petsc -wrong_option -options_left
yod -sz 4  ./heat_petsc -ksp_monitor -options_left
yod -sz 4  ./heat_petsc -ksp_view -view_sol -options_left
#-- X11 is not available 
#yod -sz 4  ./heat_petsc -ksp_monitor -view_mat_x -draw_pause 3 -options_left 
#yod -sz 4  ./heat_petsc -ksp_view -view_sol -view_sol_x -draw_pause 3 -options_left

# Which is default KSP?    /    Compare the execution time:

yod -sz 4  ./heat_petsc -m 300 -n 300 -log_summary   -options_left
yod -sz 4  ./heat_petsc -m 300 -n 300 -ksp_type cg   -log_summary -options_left
yod -sz 4  ./heat_petsc -m 300 -n 300 -ksp_type cr   -log_summary -options_left
yod -sz 4  ./heat_petsc -m 300 -n 300 -ksp_type bcgs -log_summary -options_left

# Calculate Speedup of CG:

yod -sz 1  ./heat_petsc -m 300 -n 300 -ksp_type cg   -log_summary -options_left
yod -sz 2  ./heat_petsc -m 300 -n 300 -ksp_type cg   -log_summary -options_left
yod -sz 4  ./heat_petsc -m 300 -n 300 -ksp_type cg   -log_summary -options_left
yod -sz 6  ./heat_petsc -m 300 -n 300 -ksp_type cg   -log_summary -options_left
yod -sz 8  ./heat_petsc -m 300 -n 300 -ksp_type cg   -log_summary -options_left

### If you want to compile:
#
# cp  ../source/heat_petsc.c  ../source/Makefile  ./
# mv heat_petsc heat_petsc_orig   # otherwise, you overwrite the public version for all groups!!!!
# export PETSC_ARCH=... (already done as part of "module load petsc")
# export PETSC_DIR=...
# make  heat_petsc