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picongpu - 2023-12-07 12:07:29 - MAQAO 2.18.0

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Global Metrics

Total Time (s)667.74
Profiled Time (s)666.22
Time in analyzed loops (%)61.3
Time in analyzed innermost loops (%)42.4
Time in user code (%)81.0
Compilation Options Score (%)50.0
Array Access Efficiency (%)88.7
Potential Speedups
Perfect Flow Complexity1.09
Perfect OpenMP + MPI + Pthread1.06
Perfect OpenMP + MPI + Pthread + Perfect Load Distribution1.26
No Scalar IntegerPotential Speedup1.04
Nb Loops to get 80%10
FP VectorisedPotential Speedup1.68
Nb Loops to get 80%10
Fully VectorisedPotential Speedup2.36
Nb Loops to get 80%12
FP Arithmetic OnlyPotential Speedup1.11
Nb Loops to get 80%13

CQA Potential Speedups Summary

Loop Based Profile

Innermost Loop Based Profile

Application Categorization

Compilation Options

Source ObjectIssue
picongpu
Vector.hpp
-march=x86-64 is used but it should be replaced by a more architecture specific option or -march=native.
-funroll-loops is missing.
random.tcc
-march=x86-64 is used but it should be replaced by a more architecture specific option or -march=native.
-funroll-loops is missing.
TaskKernelCpuOmp2Blocks.hpp
-march=x86-64 is used but it should be replaced by a more architecture specific option or -march=native.
-funroll-loops 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./bin/picongpu
Timestamp2023-12-07 12:07:29 Universal Timestamp1701947249
Number of processes observed1 Number of threads observed53
Experiment TypeOpenMP;
Machineskylake
Model NameIntel(R) Xeon(R) Platinum 8170 CPU @ 2.10GHz
Architecturex86_64 Micro ArchitectureSKYLAKE
Cache Size36608 KB Number of Cores26
OS VersionLinux 6.5.7-arch1-1 #1 SMP PREEMPT_DYNAMIC Tue, 10 Oct 2023 21:10:21 +0000
Architecture used during static analysisx86_64 Micro Architecture used during static analysisSKYLAKE
Frequency Driverintel_cpufreq Frequency Governorperformance
Huge Pagesalways Hyperthreadingoff
Number of sockets2 Number of cores per socket26
Compilation Optionspicongpu: GNU C++17 13.2.1 20230801 -mtune=generic -march=x86-64 -g -O3 -std=c++17 -fno-omit-frame-pointer -fopenmp

Configuration Summary

Dataset
Run Command<executable> -d 1 1 1 -g 128 128 32 --periodic 1 1 1 -s 1500 --fields_energy.period 20
Number Processes1
Number Nodes1
FilterNot Used
Profile StartNot Used
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