lammps/examples/intel
stamoor 5ae8de8f47 Fixing broken USER-INTEL examples
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12524 f3b2605a-c512-4ea7-a41b-209d697bcdaa
2014-09-22 15:39:09 +00:00
..
README git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12497 f3b2605a-c512-4ea7-a41b-209d697bcdaa 2014-09-11 20:24:23 +00:00
in.intel.lc Fixing broken USER-INTEL examples 2014-09-22 15:39:09 +00:00
in.intel.rhodo Fixing broken USER-INTEL examples 2014-09-22 15:39:09 +00:00

README

If you run in another directory, please edit the read_data line to point to
the data.rhodo file. This is included in the LAMMPS distribution in the
'bench' directory.

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Expected times are the expected LOOP times based on runs using dual-socket
Intel Xeon processor E5-2697 V2 with Intel Xeon Phi coprocessor 7120P.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

TO RUN WITHOUT A PACKAGE:
-----------------------------------------------------------------------------
mpirun -np 48 ../../src/lmp_YOUR_MACHINE -in in.intel.rhodo -log none -v b 0 -v s off
mpirun -np 48 ../../src/lmp_YOUR_MACHINE -in in.intel.lc -log none -v b 0 -v s off


TO RUN WITH OMP PACKAGE
-----------------------------------------------------------------------------
env OMP_NUM_THREADS=2 mpirun -np 24 ../../src/lmp_YOUR_MACHINE -in in.intel.rhodo -log none -v b 0 -v s omp
+++++++++++++++++++++++
+ EXPECTED TIME: 20.33s
+++++++++++++++++++++++

env OMP_NUM_THREADS=1 mpirun -np 48 ../../src/lmp_YOUR_MACHINE -in in.intel.lc -log none -v b 0 -v s omp
+++++++++++++++++++++++
+ EXPECTED TIME: 19.92s
+++++++++++++++++++++++


TO RUN WITH INTEL+OMP PACKAGE WITHOUT OFFLOAD:
-----------------------------------------------------------------------------
env OMP_NUM_THREADS=2 mpirun -np 24 ../../src/lmp_YOUR_MACHINE -in in.intel.rhodo -log none -v b 0 -v s intel
+++++++++++++++++++++++
+ EXPECTED TIME: 16.94s
+++++++++++++++++++++++

env OMP_NUM_THREADS=2 mpirun -np 24 ../../src/lmp_YOUR_MACHINE -in in.intel.lc -log none -v b 0 -v s intel
+++++++++++++++++++++++
+ EXPECTED TIME: 5.80s
+++++++++++++++++++++++


TO RUN WITH INTEL+OMP PACKAGE WITH OFFLOAD TO XEON PHI (AUTO-BALANCED):
-----------------------------------------------------------------------------
env OMP_NUM_THREADS=1 mpirun -np 24 ../../src/lmp_YOUR_MACHINE -in in.intel.rhodo -log none -v b -1 -v s intel
+++++++++++++++++++++++
+ EXPECTED TIME: 12.31s
+++++++++++++++++++++++

env OMP_NUM_THREADS=1 mpirun -np 24 ../../src/lmp_YOUR_MACHINE -in in.intel.lc -log none -v b -1 -v s intel
+++++++++++++++++++++++
+ EXPECTED TIME: 4.00s
+++++++++++++++++++++++


TO RUN WITH INTEL+OMP PACKAGE WITH OFFLOAD TO XEON PHI (FIXED BALANCE):
-----------------------------------------------------------------------------
env OMP_NUM_THREADS=1 mpirun -np 24 ../../src/lmp_YOUR_MACHINE -in in.intel.rhodo -log none -v b 0.68 -v s intel
+++++++++++++++++++++++
+ EXPECTED TIME: 11.40s
+++++++++++++++++++++++

env OMP_NUM_THREADS=1 mpirun -np 24 ../../src/lmp_YOUR_MACHINE -in in.intel.lc -log none -v b 0.53 -v s intel
+++++++++++++++++++++++
+ EXPECTED TIME: 3.93s
+++++++++++++++++++++++