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multithreading_assembly_perf_test - 2025-05-20 10:57:29 - MAQAO 2.21.4

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Global Metrics

Total Time (s)65.15
Max (Thread Active Time) (s)8.58
Average Active Time (s)8.54
Activity Ratio (%)26.9
Average number of active threads16.775
Affinity Stability (%)27.0
Time in analyzed loops (%)4.34
Time in analyzed innermost loops (%)2.61
Time in user code (%)5.54
Compilation Options Score (%)99.9
Array Access Efficiency (%)96.2
Potential Speedups
Perfect Flow Complexity1.00
Perfect OpenMP + MPI + Pthread1.00
Perfect OpenMP + MPI + Pthread + Perfect Load Distribution1.00
No Scalar IntegerPotential Speedup1.00
Nb Loops to get 80%2
FP VectorisedPotential Speedup1.00
Nb Loops to get 80%2
Fully VectorisedPotential Speedup1.02
Nb Loops to get 80%1
FP Arithmetic OnlyPotential Speedup1.00
Nb Loops to get 80%5

CQA Potential Speedups Summary

Average Active Threads Count

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)
-O2, -O3 or -Ofast is missing.
-march=(target) is missing.
libfinite_elements.so
InverseImpl.h
element_U.tpp
TensorMap.h
GeneralProduct.h
generic_elements.hpp
stl_vector.h
AssignEvaluator.h
TensorDeviceDefault.h
MapBase.h
PlainObjectBase.h
libdofs.so
dof_list.cpp
dof.cpp
MapBase.h
stl_vector.h
multithreading_assembly_perf_test
enumerable_thread_specific.h
finite_elements.hpp
assembler.hpp
libnon_linear_solvers.so
-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)
-O2, -O3 or -Ofast is missing.
-march=(target) is missing.

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./multithreading_assembly_perf_test
Timestamp2025-05-20 10:57:29 Universal Timestamp1747731449
Number of processes observed1 Number of threads observed128
Experiment TypeMPI; OpenMP;
Machinebe-seq033
Model NameAMD EPYC 9534 64-Core Processor
Architecturex86_64 Micro ArchitectureZEN_V4
Cache Size1024 KB Number of Cores64
OS VersionLinux 4.18.0-477.10.1.el8_8.x86_64 #1 SMP Wed Apr 5 13:35:01 EDT 2023
Architecture used during static analysisx86_64 Micro Architecture used during static analysisZEN_V4
Frequency Driveracpi-cpufreq Frequency Governorperformance
Huge Pagesalways Hyperthreadingoff
Number of sockets2 Number of cores per socket64
Compilation Options+ [vdso]: N/A
libdofs.so: GNU C++20 13.2.0 -march=znver4 -g3 -O3 -std=c++20 -fno-omit-frame-pointer -fopenmp -funroll-loops -fPIC
libfinite_elements.so: GNU C++20 13.2.0 -march=znver4 -g3 -O3 -std=c++20 -fno-omit-frame-pointer -fopenmp -funroll-loops -fPIC
libnon_linear_solvers.so: N/A
multithreading_assembly_perf_test: GNU C++20 13.2.0 -march=znver4 -g3 -O3 -std=c++20 -fno-omit-frame-pointer -fopenmp -funroll-loops

Configuration Summary

Dataset
Run Command<executable> --max_threads <OMP_NUM_THREADS> --ncut 200 --method ColMutexes --storage SparseCOO
MPI Commandmpirun -n <number_processes> --map-by slot:PE=<OMP_NUM_THREADS> --bind-to core
Number Processes1
Number Nodes1
FilterNot Used
Profile StartNot Used
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