Matches in Nanopublications for { ?s ?p <https://doi.org/10.1007/978-3-031-86240-3_4> ?g. }
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- Containers+transform+HPC%2C+but+many+users+miss+their+full+potential.+This+paper+shows+near-native+performance+using+OSU+benchmarks+on+LUMI+and+Fram+with+CRAY%2FHPE+and+Infiniband+networks.+Proven+with+CESM+climate+models%2C+containers+outperformed+bare-metal+setups%2C+offering+portability%2C+reproducibility%2C+and+easy+deployment.+Adopt+containerization+to+streamline+research+workflows+and+achieve+consistent%2C+high-performance+results. related 978-3-031-86240-3_4 assertion.
- Psychological+barriers%2C+lack+of+expertise%2C+and+misconceptions+about+poor+performance+hinder+the+adoption+of+containers+in+HPC%2C+particularly+for+climate+modeling+applications. related 978-3-031-86240-3_4 assertion.
- Containers+can+achieve+near-native+performance+and+reproducibility+in+HPC+using+open-source+tools%2C+overcoming+proprietary+library+limitations+on+supercomputers+like+LUMI. related 978-3-031-86240-3_4 assertion.
- Fram%2C+Betzy%2C+and+LUMI+supercomputers%2C+equipped+with+InfiniBand+and+HPE+Slingshot-11+interconnects%2C+provide+high-bandwidth%2C+low-latency+networks+for+MPI-based+parallel+computing. related 978-3-031-86240-3_4 assertion.
- MPI+applications+leverage+UCX+for+high-speed+inter-node+communication%2C+enabling+containers+to+exploit+InfiniBand+and+other+interconnects+for+portable%2C+high-performance+computing. related 978-3-031-86240-3_4 assertion.
- Proprietary+libraries%2C+such+as+HPE+CXI+on+LUMI%2C+complicate+containerization%2C+requiring+workarounds+like+OFI+swapping+at+runtime+to+achieve+performance+on+Slingshot-11. related 978-3-031-86240-3_4 assertion.
- A+container+without+inter-node+communication+protocols+using+MPICH4.1.2+on+Fram+achieves+similar+intra-node+performance+to+bare-metal+OpenMPI4.1.5+but+exhibits+60%E2%80%9370+times+worse+latency+and+bandwidth+for+inter-node+communication+due+to+missing+UCX+support. related 978-3-031-86240-3_4 assertion.
- A+container+with+MPICH4.1.2+and+UCX1.15+on+Fram+and+Betzy+achieves+near-native+bandwidth+%28up+to+12.5+GigaByte%2Fsecond%29+in+OSU+Micro-Benchmarks%2C+matching+host-installed+OpenMPI4.1.5+for+inter-node+communication. related 978-3-031-86240-3_4 assertion.
- On+LUMI%2C+a+container+with+MPICH4.1.2+and+OFI+swapped+from+the+host%E2%80%99s+Slingshot-11+libraries+achieves+identical+bandwidth+to+host-installed+CrayMPICH3.4a2+in+OSU+Micro-Benchmarks. related 978-3-031-86240-3_4 assertion.
- CESM2.3+simulations+with+ARCTICGRIS+x8+refinement%2C+run+in+containers+on+Fram%2C+Betzy%2C+and+LUMI%2C+use+a+spectral+element+method+that+ensures+results+are+independent+of+the+number+of+processors+used. related 978-3-031-86240-3_4 assertion.
- Containers+running+CESM2.3+on+Fram%2C+Betzy%2C+and+LUMI+outperform+host-installed+setups%2C+achieving+up+to+63%25+higher+model+throughput+on+LUMI%2C+measured+as+the+number+of+simulated+years+per+day. related 978-3-031-86240-3_4 assertion.
- CESM2.3+simulations+in+containers+on+Fram%2C+Betzy%2C+and+LUMI+produce+bit-for-bit+identical+digital+fingerprints+after+20+days%2C+despite+different+HPC+architectures+and+interconnects. related 978-3-031-86240-3_4 assertion.
- Containers+ensure+bit-for-bit+identical+CESM2.3+outputs+on+x86-64+%28Fram%29+and+amd64+%28Betzy%2C+LUMI%29+architectures+by+disabling+architecture-dependent+compiler+options. related 978-3-031-86240-3_4 assertion.
- Reproducibility+in+climate+modeling+is+challenging+due+to+nonlinear%2C+chaotic+systems%2C+but+containers+can+provide+bit-for-bit+identical+CESM+outputs+across+different+HPC+platforms. related 978-3-031-86240-3_4 assertion.
- Containers+enhance+Open+Science+by+providing+portable%2C+reproducible+software+environments+for+CESM+simulations%2C+enabling+seamless+execution+across+HPC+platforms. related 978-3-031-86240-3_4 assertion.
- If+you%27re+looking+to+optimize+your+HPC+workflows%2C+containers+offer+performance%2C+portability%2C+and+reproducibility+for+applications+like+CESM%2C+simplifying+workflows%2C+reducing+deployment+time%2C+and+enabling+more+efficient%2C+consistent+results. related 978-3-031-86240-3_4 assertion.
- Release+your+scientific+applications+with+validated+containers+to+eliminate+installation+overhead%2C+foster+collaboration%2C+and+promote+reproducible+research+in+HPC.+Start+using+validated+containers+today+to+enhance+your+research+efficiency. related 978-3-031-86240-3_4 assertion.
- Visit+our+Research+Object+on+RoHub+to+access+aggregated+scripts%2C+Dockerfiles%2C+and+Singularity+images+for+CESM+and+OSU+Micro-Benchmark+experiments.+Reproduce+results+and+create+derivative+work+effortlessly. related 978-3-031-86240-3_4 assertion.