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lbc - 2024-11-27 15:18:57 - MAQAO 2.20.11

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Global Metrics

Total Time (s)39.29
Max (Thread Active Time) (s)33.00
Average Active Time (s)32.93
Activity Ratio (%)83.8
Average number of active threads53.627
Affinity Stability27.3
Time in analyzed loops (%)95.3
Time in analyzed innermost loops (%)66.2
Time in user code (%)95.3
Compilation Options Score (%)100
Array Access Efficiency (%)56.2
Potential Speedups
Perfect Flow Complexity1.00
Perfect OpenMP + MPI + Pthread1.02
Perfect OpenMP + MPI + Pthread + Perfect Load Distribution1.05
No Scalar IntegerPotential Speedup1.75
Nb Loops to get 80%2
FP VectorisedPotential Speedup1.52
Nb Loops to get 80%2
Fully VectorisedPotential Speedup3.27
Nb Loops to get 80%5
FP Arithmetic OnlyPotential Speedup1.40
Nb Loops to get 80%2

CQA Potential Speedups Summary

Loop Based Profile

Innermost Loop Based Profile

Application Categorization

Compilation Options

Source ObjectIssue
lbc
lb_init.F90
mpl_set.F90
tools.F90
lbc.F90
lbm_functions.F90

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./../lbc/lbc
Timestamp2024-11-27 15:18:57 Universal Timestamp1732720737
Number of processes observed64 Number of threads observed64
Experiment TypeMPI; OpenMP;
Machineip-172-31-42-13
Architectureaarch64 Micro ArchitectureARM_NEOVERSE_V1
OS VersionLinux 6.8.0-1016-aws #17~22.04.2-Ubuntu SMP Thu Sep 26 18:55:31 UTC 2024
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 Optionslbc: Arm F90 F90 Flang - 1.5 2017-05-01 flang -O3 -g -march=native -D D3Q19 -D COMBINE_STREAM_COLLIDE -D LAYOUT_LIJK -D USE_MPI -D VERBOSE -D SENDRECV -D COMM_REDUCED -O3 -c -I /home/kcamus/mpi/openmpi-5.0.3/__install/include -I /home/kcamus/mpi/openmpi-5.0.3/__install/lib

Configuration Summary

Dataset
Run Command<executable>
MPI Commandmpirun -np 64
Number Processes1
Number Nodes1
FilterNot Used
Profile StartNot Used
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