Kokkos 3: Programming Model Extensions for the Exascale Era
As the push towards exascale hardware has increased the diversity of system architectures, performance portability has become a critical aspect for scientific software. We describe the Kokkos Performance Portable Programming Model that allows developers to write single source applications for divers...
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| Published in: | IEEE transactions on parallel and distributed systems Vol. 33; no. 4; p. 1 |
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| Main Authors: | , , , , , , , , , , , , , , , , , , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
New York
IEEE
01.04.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
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| ISSN: | 1045-9219, 1558-2183 |
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| Abstract | As the push towards exascale hardware has increased the diversity of system architectures, performance portability has become a critical aspect for scientific software. We describe the Kokkos Performance Portable Programming Model that allows developers to write single source applications for diverse high performance computing architectures. Kokkos provides key abstractions for both the compute and memory hierarchy of modern hardware. We describe the novel abstractions that have been added to Kokkos recently such as hierarchical parallelism, containers, task graphs, and arbitrary-sized atomic operations. We demonstrate the performance of these new features with reproducible benchmarks on CPUs and GPUs. |
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| AbstractList | As the push towards exascale hardware has increased the diversity of system architectures, performance portability has become a critical aspect for scientific software. We describe the Kokkos Performance Portable Programming Model that allows developers to write single source applications for diverse high performance computing architectures. Kokkos provides key abstractions for both the compute and memory hierarchy of modern hardware. We describe the novel abstractions that have been added to Kokkos recently such as hierarchical parallelism, containers, task graphs, and arbitrary-sized atomic operations. We demonstrate the performance of these new features with reproducible benchmarks on CPUs and GPUs. As the push towards exascale hardware has increased the diversity of system architectures, performance portability has become a critical aspect for scientific software. We describe the Kokkos Performance Portable Programming Model that allows developers to write single source applications for diverse high-performance computing architectures. Kokkos provides key abstractions for both the compute and memory hierarchy of modern hardware. We describe the novel abstractions that have been added to Kokkos version 3 such as hierarchical parallelism, containers, task graphs, and arbitrary-sized atomic operations to prepare for exascale era architectures. We demonstrate the performance of these new features with reproducible benchmarks on CPUs and GPUs. |
| Author | Dang, Vinh Poliakoff, David Zoeller Arndt, Daniel Turcksin, Bruno Ellingwood, Nathan Ibanez, Daniel Alejandro Ciesko, Jan Liber, Nevin Simberg, Mikael Trott, Christian Miles, Jeff Scott Madsen, Jonathan Gayatri, Rahulkumar Hollman, Daisy S Sunderland, Dan Wilke, Jeremiah Rajamanickam, Sivasankaran Lebrun-Grandie, Damien Harvey, Evan Powell, Amy Jo |
| Author_xml | – sequence: 1 givenname: Christian surname: Trott fullname: Trott, Christian email: crtrott@sandia.gov organization: Scalable Algorithms, Sandia National Laboratories, Albuquerque, New Mexico, United States, (e-mail: crtrott@sandia.gov) – sequence: 2 givenname: Damien surname: Lebrun-Grandie fullname: Lebrun-Grandie, Damien email: lebrungrandt@ornl.gov organization: HPC, Oak Ridge National Laboratory, 6146 Oak Ridge, Tennessee, United States, (e-mail: lebrungrandt@ornl.gov) – sequence: 3 givenname: Daniel surname: Arndt fullname: Arndt, Daniel email: arndtd@ornl.gov organization: HPC, Oak Ridge National Laboratory, 6146 Oak Ridge, Tennessee, United States, (e-mail: arndtd@ornl.gov) – sequence: 4 givenname: Jan surname: Ciesko fullname: Ciesko, Jan email: jciesko@sandia.gov organization: 1465, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: jciesko@sandia.gov) – sequence: 5 givenname: Vinh surname: Dang fullname: Dang, Vinh email: vqdang@sandia.gov organization: EM Theory and Simulation, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: vqdang@sandia.gov) – sequence: 6 givenname: Nathan surname: Ellingwood fullname: Ellingwood, Nathan email: ndellin@sandia.gov organization: Center for Computing Research, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: ndellin@sandia.gov) – sequence: 7 givenname: Rahulkumar surname: Gayatri fullname: Gayatri, Rahulkumar email: rgayatri@lbl.gov organization: NERSC, Lawrence Berkeley Laboratory, 1666 Berkeley, California, United States, (e-mail: rgayatri@lbl.gov) – sequence: 8 givenname: Evan surname: Harvey fullname: Harvey, Evan email: eharvey@sandia.gov organization: Center for Computing Research, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: eharvey@sandia.gov) – sequence: 9 givenname: Daisy S surname: Hollman fullname: Hollman, Daisy S email: dshollm@sandia.gov organization: HPC, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: dshollm@sandia.gov) – sequence: 10 givenname: Daniel Alejandro surname: Ibanez fullname: Ibanez, Daniel Alejandro email: daibane@sandia.gov organization: 1443, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: daibane@sandia.gov) – sequence: 11 givenname: Nevin surname: Liber fullname: Liber, Nevin email: nliber@anl.gov organization: HPC, Argonne National Laboratory, 1291 Lemont, Illinois, United States, (e-mail: nliber@anl.gov) – sequence: 12 givenname: Jonathan surname: Madsen fullname: Madsen, Jonathan email: jrmadsen@lbl.gov organization: NERSC, Lawrence Berkeley National Laboratory, 1666 Berkeley, California, United States, (e-mail: jrmadsen@lbl.gov) – sequence: 13 givenname: Jeff Scott surname: Miles fullname: Miles, Jeff Scott email: jsmiles@sandia.gov organization: HPC, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: jsmiles@sandia.gov) – sequence: 14 givenname: David Zoeller surname: Poliakoff fullname: Poliakoff, David Zoeller email: dzpolia@sandia.gov organization: 1422, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: dzpolia@sandia.gov) – sequence: 15 givenname: Amy Jo surname: Powell fullname: Powell, Amy Jo email: ajpowel@sandia.gov organization: 6327, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: ajpowel@sandia.gov) – sequence: 16 givenname: Sivasankaran surname: Rajamanickam fullname: Rajamanickam, Sivasankaran email: srajama@sandia.gov organization: Scalable Algorithms Department, Sandia National Laboratories, Albuquerque, New Mexico, United States, (e-mail: srajama@sandia.gov) – sequence: 17 givenname: Mikael surname: Simberg fullname: Simberg, Mikael email: simbergm@cscs.ch organization: HPC, Swiss National Supercomputing Centre, 28489 Lugano, TI, Switzerland, (e-mail: simbergm@cscs.ch) – sequence: 18 givenname: Dan surname: Sunderland fullname: Sunderland, Dan email: dsunder@sandia.gov organization: HPC, Sandia National Laboratories, 1105 Albuquerque, New Mexico, United States, (e-mail: dsunder@sandia.gov) – sequence: 19 givenname: Bruno surname: Turcksin fullname: Turcksin, Bruno email: turcksinbr@ornl.gov organization: HPC, Oak Ridge National Laboratory, 6146 Oak Ridge, Tennessee, United States, (e-mail: turcksinbr@ornl.gov) – sequence: 20 givenname: Jeremiah surname: Wilke fullname: Wilke, Jeremiah email: jjwilke@sandia.gov organization: HPC, Sandia National Laboratories California, 111651 Livermore, California, United States, (e-mail: jjwilke@sandia.gov) |
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| SubjectTerms | Benchmark testing Containers exascale Graphics processing units Hardware heterogeneous computing high-performance computing Kernel Laboratories Layout performance portability Programming programming models |
| Title | Kokkos 3: Programming Model Extensions for the Exascale Era |
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