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gmx_mpi - 2023-11-14 07:44:47 - MAQAO 2.18.0

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Global Metrics

Total Time (s)49.27
Profiled Time (s)44.80
Time in analyzed loops (%)87.5
Time in analyzed innermost loops (%)82.4
Time in user code (%)91.4
Compilation Options Score (%)99.9
Array Access Efficiency (%)Not Available
Potential Speedups
Perfect Flow Complexity1.00
Perfect OpenMP + MPI + Pthread1.03
Perfect OpenMP + MPI + Pthread + Perfect Load Distribution1.15
No Scalar IntegerPotential Speedup1.04
Nb Loops to get 80%11
FP VectorisedPotential Speedup1.01
Nb Loops to get 80%2
Fully VectorisedPotential Speedup1.14
Nb Loops to get 80%18
FP Arithmetic OnlyPotential Speedup1.18
Nb Loops to get 80%18

CQA Potential Speedups Summary

Loop Based Profile

Innermost Loop Based Profile

Application Categorization

Compilation Options

Source ObjectIssue
[vdso]
-g is missing for some functions (possibly ones added by the compiler), it is needed to have more accurate reports. Other recommended flags are: -O2/-O3, -march=(target)
libgromacs_mpi.so.7
pme_gather.cpp
lincs.cpp
pbc.cpp
update.cpp
kernel_common.cpp
fft5d.cpp
calcvir.cpp
atomdata.cpp
listed_forces.cpp
threaded_force_buffer.cpp
kernel_ElecEw_VdwLJCombLB_F.cpp
pme_grid.cpp
localtopology.cpp
kerneldispatch.cpp
pme_solve.cpp
partition.cpp
kernel_prune.cpp
kernel_ElecEw_VdwLJCombLB_VF.cpp
calc_verletbuf.cpp
pbc_simd.cpp
fft_fftw3.cpp
pme_spread.cpp
pairs.cpp
pairlist.cpp
sim_util.cpp
grid.cpp
md_support.cpp
settle.cpp
domdec_constraints.cpp
manage_threading.cpp
mdatoms.cpp
bonded.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

Experiment Name
Application/home/eoseret/GROMACS/build/armclang_2/bin/gmx_mpi
Timestamp2023-11-14 07:44:47 Universal Timestamp1699947887
Number of processes observed1 Number of threads observed52
Experiment TypeMPI; OpenMP;
Machineip-172-31-47-199
Architectureaarch64 Micro ArchitectureARM_NEOVERSE_V1
OS VersionLinux 5.15.0-1049-aws #54~20.04.1-Ubuntu SMP Fri Oct 6 22:07:16 UTC 2023
Architecture used during static analysisaarch64 Micro Architecture used during static analysisARM_NEOVERSE_V1
Frequency DriverNA Frequency GovernorNA
Huge Pagesmadvise Hyperthreadingoff
Number of sockets1 Number of cores per socket64
Compilation Optionslibgromacs_mpi.so.7: Arm C/C++/Fortran Compiler version 22.1 (build number 12) (based on LLVM 13.0.1) /opt/arm/arm-linux-compiler-22.1_Generic-AArch64_Ubuntu-20.04_aarch64-linux/llvm-bin/clang-13 --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/gromacs-2022.4/src/include -I /home/eoseret/GROMACS/build/armclang_2/src/include -I /home/eoseret/GROMACS/gromacs-2022.4/src -I /home/eoseret/GROMACS/gromacs-2022.4/api/legacy/include -I /home/eoseret/GROMACS/build/armclang_2/api/legacy/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/analysisdata/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/utility/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/applied_forces/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/commandline/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/compat/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/coordinateio/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/correlationfunctions/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/domdec/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/essentialdynamics/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/ewald/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/fft/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/fileio/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/gmxana/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/gmxlib/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/gmxpreprocess/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/gpu_utils/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/hardware/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/imd/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/linearalgebra/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/listed_forces/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/math/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/mdlib/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/mdrun/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/mdrunutility/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/mdspan/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/mdtypes/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/mimic/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/modularsimulator/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/nbnxm/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/onlinehelp/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/options/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/pbcutil/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/pulling/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/random/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/restraint/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/selection/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/simd/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/statistics/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/swap/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/tables/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/taskassignment/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/timing/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/tools/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/topology/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/trajectory/include -I /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/trajectoryanalysis/include -isystem /home/eoseret/GROMACS/gromacs-2022.4/src/external/thread_mpi/include -isystem /usr/lib/aarch64-linux-gnu/openmpi/include/openmpi -isystem /usr/lib/aarch64-linux-gnu/openmpi/include -isystem /home/eoseret/GROMACS/gromacs-2022.4/src/external -isystem /opt/arm/armpl-22.1.0_AArch64_Ubuntu-20.04_arm-linux-compiler_aarch64-linux/include -isystem /home/eoseret/GROMACS/gromacs-2022.4/src/external/tng_io/include -isystem /home/eoseret/GROMACS/build/armclang_2/tng/include -isystem /home/eoseret/GROMACS/gromacs-2022.4/src/external/lmfit -isystem /home/eoseret/GROMACS/gromacs-2022.4/src/external/muparser/include -g -grecord-command-line -fno-omit-frame-pointer -nopie -fcf-protection=none -O3 -D NDEBUG -fPIC -march=armv8.2-a+sve -msve-vector-bits=256 -pthread -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-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 -fopenmp=libomp -std=c++17 -o CMakeFiles/libgromacs.dir/nbnxm/kernels_simd_4xm/kernel_ElecEw_VdwLJCombLB_F.cpp.o -c /home/eoseret/GROMACS/gromacs-2022.4/src/gromacs/nbnxm/kernels_simd_4xm/kernel_ElecEw_VdwLJCombLB_F.cpp + [vdso]: N/A
CommentsARM-clang 22.1 (SIMD=SVE), AWS G3 (Neoverse V1), 10000 steps, 52 cores

Configuration Summary

Dataset
Run Command<executable> mdrun -s ion_channel.tpr -nsteps 10000 -pin on -deffnm armclang
MPI Commandmpirun -n <number_processes> --bind-to core
Number Processes1
Number Nodes1
Number Processes per Nodes1
FilterNot Used
Profile StartNot Used
Maximal Path Number4
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