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gmx_mpi - 2024-08-02 05:23:04 - MAQAO 2.20.7

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Global Metrics

Total Time (s)23.08
Profiled Time (s)21.34
Time in analyzed loops (%)48.4
Time in analyzed innermost loops (%)40.9
Time in user code (%)55.8
Compilation Options Score (%)100
Array Access Efficiency (%)51.2
Potential Speedups
Perfect Flow Complexity1.02
Perfect OpenMP + MPI + Pthread1.10
Perfect OpenMP + MPI + Pthread + Perfect Load Distribution1.37
No Scalar IntegerPotential Speedup1.03
Nb Loops to get 80%14
FP VectorisedPotential Speedup1.03
Nb Loops to get 80%11
Fully VectorisedPotential Speedup1.15
Nb Loops to get 80%29
FP Arithmetic OnlyPotential Speedup1.10
Nb Loops to get 80%28

CQA Potential Speedups Summary

Loop Based Profile

Innermost Loop Based Profile

Application Categorization

Compilation Options

Source ObjectIssue
libgromacs_mpi.so.9.0.0
fft5d.cpp
lincs.cpp
pme_pp.cpp
domdec.cpp
pme_redistribute.cpp
md.cpp
bonded.cpp
domdec_specatomcomm.cpp
pme_spread.cpp
threaded_force_buffer.cpp
update.cpp
atomdata.cpp
pme_gather.cpp
calcvir.cpp
simd_prune_kernel.cpp
partition.cpp
localtopology.cpp
settle.cpp
calc_verletbuf.cpp
reversetopology.cpp
simd_kernel.h
fft_mkl.cpp
pairs.cpp
pairlist.cpp
sim_util.cpp
grid.cpp
md_support.cpp
pme_solve.cpp
domdec_constraints.cpp
pme_grid.cpp
mdatoms.cpp
constraintrange.cpp

Loop Path Count Profile

Cumulated Speedup If No Scalar Integer

Cumulated Speedup If FP Vectorized

Cumulated Speedup If Fully Vectorized

Cumulated Speedup If FP Arithmetic Only

Experiment Summary

Application../../install_MPI/bin/gmx_mpi
Timestamp2024-08-02 05:23:04 Universal Timestamp1722568984
Number of processes observed96 Number of threads observed96
Experiment TypeMPI; OpenMP;
Machineins01.benchmarkcenter.megware.com
Model NameAMD EPYC 9654 96-Core Processor
Architecturex86_64 Micro ArchitectureZEN_V4
Cache Size1024 KB Number of Cores96
OS VersionLinux 5.14.0-427.18.1.el9_4.x86_64 #1 SMP PREEMPT_DYNAMIC Tue May 28 06:27:02 EDT 2024
Architecture used during static analysisx86_64 Micro Architecture used during static analysisZEN_V4
Frequency Driveracpi-cpufreq Frequency Governorperformance
Huge Pagesalways Hyperthreadingon
Number of sockets2 Number of cores per socket96
Compilation Optionslibgromacs_mpi.so.9.0.0: AMD clang version 16.0.3 (CLANG: AOCC_4.1.0-Build#270 2023_07_10) /cluster/comp/aocc/4.1.0/bin/clang-16 --driver-mode=g++ -D GMX_DOUBLE=0 -D HAVE_CONFIG_H -D TMPI_EXPORTS -D TMPI_USE_VISIBILITY -D USE_STD_INTTYPES_H -D libgromacs_EXPORTS -I /home/eoseret/gromacs-2024.2/src/include -I /home/eoseret/gromacs-2024.2/build_MPI/src/include -I /home/eoseret/gromacs-2024.2/src -I /home/eoseret/gromacs-2024.2/api/legacy/include -I /home/eoseret/gromacs-2024.2/build_MPI/api/legacy/include -I /home/eoseret/gromacs-2024.2/src/gromacs/analysisdata/include -I /home/eoseret/gromacs-2024.2/src/gromacs/applied_forces/include -I /home/eoseret/gromacs-2024.2/src/gromacs/commandline/include -I /home/eoseret/gromacs-2024.2/src/gromacs/compat/include -I /home/eoseret/gromacs-2024.2/src/gromacs/coordinateio/include -I /home/eoseret/gromacs-2024.2/src/gromacs/correlationfunctions/include -I /home/eoseret/gromacs-2024.2/src/gromacs/fft/include -I /home/eoseret/gromacs-2024.2/src/gromacs/gpu_utils/include -I /home/eoseret/gromacs-2024.2/src/gromacs/math/include -I /home/eoseret/gromacs-2024.2/src/gromacs/timing/include -I /home/eoseret/gromacs-2024.2/src/gromacs/utility/include -I /home/eoseret/gromacs-2024.2/src/gromacs/domdec/include -I /home/eoseret/gromacs-2024.2/src/gromacs/mdlib/include -I /home/eoseret/gromacs-2024.2/src/gromacs/pbcutil/include -I /home/eoseret/gromacs-2024.2/src/gromacs/pulling/include -I /home/eoseret/gromacs-2024.2/src/gromacs/topology/include -I /home/eoseret/gromacs-2024.2/src/gromacs/energyanalysis/include -I /home/eoseret/gromacs-2024.2/src/gromacs/fileio/include -I /home/eoseret/gromacs-2024.2/src/gromacs/essentialdynamics/include -I /home/eoseret/gromacs-2024.2/src/gromacs/ewald/include -I /home/eoseret/gromacs-2024.2/src/gromacs/gmxana/include -I /home/eoseret/gromacs-2024.2/src/gromacs/gmxlib/include -I /home/eoseret/gromacs-2024.2/src/gromacs/gmxpreprocess/include -I /home/eoseret/gromacs-2024.2/src/gromacs/mdtypes/include -I /home/eoseret/gromacs-2024.2/src/gromacs/hardware/include -I /home/eoseret/gromacs-2024.2/src/gromacs/imd/include -I /home/eoseret/gromacs-2024.2/src/gromacs/linearalgebra/include -I /home/eoseret/gromacs-2024.2/src/gromacs/listed_forces/include -I /home/eoseret/gromacs-2024.2/src/gromacs/mdrun/include -I /home/eoseret/gromacs-2024.2/src/gromacs/mdrunutility/include -I /home/eoseret/gromacs-2024.2/src/gromacs/mdspan/include -I /home/eoseret/gromacs-2024.2/src/gromacs/mimic/include -I /home/eoseret/gromacs-2024.2/src/gromacs/modularsimulator/include -I /home/eoseret/gromacs-2024.2/src/gromacs/nbnxm/include -I /home/eoseret/gromacs-2024.2/src/gromacs/onlinehelp/include -I /home/eoseret/gromacs-2024.2/src/gromacs/options/include -I /home/eoseret/gromacs-2024.2/src/gromacs/random/include -I /home/eoseret/gromacs-2024.2/src/gromacs/restraint/include -I /home/eoseret/gromacs-2024.2/src/gromacs/selection/include -I /home/eoseret/gromacs-2024.2/src/gromacs/simd/include -I /home/eoseret/gromacs-2024.2/src/gromacs/statistics/include -I /home/eoseret/gromacs-2024.2/src/gromacs/swap/include -I /home/eoseret/gromacs-2024.2/src/gromacs/tables/include -I /home/eoseret/gromacs-2024.2/src/gromacs/taskassignment/include -I /home/eoseret/gromacs-2024.2/src/gromacs/tools/include -I /home/eoseret/gromacs-2024.2/src/gromacs/trajectory/include -I /home/eoseret/gromacs-2024.2/src/gromacs/trajectoryanalysis/include -isystem /home/eoseret/gromacs-2024.2/src/external/thread_mpi/include -isystem /home/eoseret/gromacs-2024.2/src/external -isystem /home/eoseret/gromacs-2024.2/src/external/tng_io/include -isystem /home/eoseret/gromacs-2024.2/build_MPI/tng/include -isystem /cluster/intel/oneapi/2024.0.0/mkl/2024.0/include -isystem /home/eoseret/gromacs-2024.2/src/external/muparser/include -isystem /home/eoseret/gromacs-2024.2/src/external/lmfit -isystem /home/eoseret/gromacs-2024.2/src/external/colvars -g -fno-omit-frame-pointer -grecord-command-line -O3 -D NDEBUG -std=c++17 -fPIC -march=skylake-avx512 -Wno-reserved-identifier -Wno-missing-field-initializers -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-source-uses-openmp -Wno-c++17-extensions -Wno-documentation-unknown-command -Wno-covered-switch-default -Wno-switch-enum -Wno-switch-default -Wno-extra-semi-stmt -Wno-weak-vtables -Wno-shadow -Wno-padded -Wno-reserved-id-macro -Wno-double-promotion -Wno-exit-time-destructors -Wno-global-constructors -Wno-documentation -Wno-format-nonliteral -Wno-used-but-marked-unused -Wno-float-equal -Wno-conditional-uninitialized -Wno-conversion -Wno-disabled-macro-expansion -Wno-unused-macros -Wno-unsafe-buffer-usage -Wno-cast-function-type-strict -fopenmp=libomp -MD -MT src/gromacs/CMakeFiles/libgromacs.dir/nbnxm/kernels_simd_2xmm/kernel_ElecEw_VdwLJCombLB_F.cpp.o -MF CMakeFiles/libgromacs.dir/nbnxm/kernels_simd_2xmm/kernel_ElecEw_VdwLJCombLB_F.cpp.o.d -o CMakeFiles/libgromacs.dir/nbnxm/kernels_simd_2xmm/kernel_ElecEw_VdwLJCombLB_F.cpp.o -c /home/eoseret/gromacs-2024.2/src/gromacs/nbnxm/kernels_simd_2xmm/kernel_ElecEw_VdwLJCombLB_F.cpp -I /cluster/intel/oneapi/2024.0.0/mpi/2021.11/include
CommentsGROMACS 2024.2 compiled with AOCC 4.1 running on one 96 cores AMD Zen 4 processors, using 96 MPI ranks (no OMP). Pinning is controlled by GROMACS.

Configuration Summary

Dataset
Run Command<executable> mdrun -s ion_channel.tpr -nsteps 10000 -pin on -deffnm aocc
MPI Commandmpirun -genv I_MPI_FABRICS=shm -n <number_processes>
Number Processes96
Number Nodes1
Number Processes per Nodes96
FilterNot Used
Profile StartNot Used
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