{"id":"https://openalex.org/W2179918638","doi":"https://doi.org/10.1145/2832105.2832111","title":"Accelerating an MPI Lattice Boltzmann code using OpenACC","display_name":"Accelerating an MPI Lattice Boltzmann code using OpenACC","publication_year":2015,"publication_date":"2015-11-09","ids":{"openalex":"https://openalex.org/W2179918638","doi":"https://doi.org/10.1145/2832105.2832111","mag":"2179918638"},"language":"en","primary_location":{"id":"doi:10.1145/2832105.2832111","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2832105.2832111","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Second Workshop on Accelerator Programming using Directives","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063815941","display_name":"Stu Blair","orcid":null},"institutions":[{"id":"https://openalex.org/I189158971","display_name":"United States Naval Academy","ror":"https://ror.org/00znex860","country_code":"US","type":"education","lineage":["https://openalex.org/I1330347796","https://openalex.org/I189158971","https://openalex.org/I3130687028"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Stu Blair","raw_affiliation_strings":["United States Naval Academy, Annapolis, MD"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"United States Naval Academy, Annapolis, MD","institution_ids":["https://openalex.org/I189158971"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071279656","display_name":"Carl Albing","orcid":null},"institutions":[{"id":"https://openalex.org/I189158971","display_name":"United States Naval Academy","ror":"https://ror.org/00znex860","country_code":"US","type":"education","lineage":["https://openalex.org/I1330347796","https://openalex.org/I189158971","https://openalex.org/I3130687028"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Carl Albing","raw_affiliation_strings":["United States Naval Academy, Annapolis, MD"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"United States Naval Academy, Annapolis, MD","institution_ids":["https://openalex.org/I189158971"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031367186","display_name":"Alexander Grund","orcid":"https://orcid.org/0000-0002-7196-8452"},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Alexander Grund","raw_affiliation_strings":["Technische Universit\u00e4t Dresden, Dresden, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Dresden, Dresden, Germany","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047832410","display_name":"A. Jocksch","orcid":"https://orcid.org/0000-0002-3327-4230"},"institutions":[{"id":"https://openalex.org/I4391767926","display_name":"CSCS - Swiss National Supercomputing Centre","ror":"https://ror.org/04rzmms09","country_code":null,"type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4391767926"]},{"id":"https://openalex.org/I59105498","display_name":"Swisscom (Switzerland)","ror":"https://ror.org/04t1f4f50","country_code":"CH","type":"company","lineage":["https://openalex.org/I59105498"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Andreas Jocksch","raw_affiliation_strings":["CSCS, Swiss National Supercomputing Centre, Lugano Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CSCS, Swiss National Supercomputing Centre, Lugano Switzerland","institution_ids":["https://openalex.org/I59105498","https://openalex.org/I4391767926"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.6798,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.89004654,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"9"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11751","display_name":"Lattice Boltzmann Simulation Studies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11751","display_name":"Lattice Boltzmann Simulation Studies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10775","display_name":"Generative Adversarial Networks and Image Synthesis","score":0.9703999757766724,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11382","display_name":"Fluid Dynamics and Heat Transfer","score":0.9523000121116638,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/porting","display_name":"Porting","score":0.9225983619689941},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8424856066703796},{"id":"https://openalex.org/keywords/compiler","display_name":"Compiler","score":0.7862166166305542},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.7739320993423462},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.6702849864959717},{"id":"https://openalex.org/keywords/code-generation","display_name":"Code generation","score":0.49443840980529785},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.4726915657520294},{"id":"https://openalex.org/keywords/supercomputer","display_name":"Supercomputer","score":0.43770498037338257},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.35216784477233887},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.23564854264259338},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.12615084648132324},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.07279139757156372},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.06382599472999573}],"concepts":[{"id":"https://openalex.org/C106251023","wikidata":"https://www.wikidata.org/wiki/Q851989","display_name":"Porting","level":3,"score":0.9225983619689941},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8424856066703796},{"id":"https://openalex.org/C169590947","wikidata":"https://www.wikidata.org/wiki/Q47506","display_name":"Compiler","level":2,"score":0.7862166166305542},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.7739320993423462},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.6702849864959717},{"id":"https://openalex.org/C133162039","wikidata":"https://www.wikidata.org/wiki/Q1061077","display_name":"Code generation","level":3,"score":0.49443840980529785},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.4726915657520294},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.43770498037338257},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.35216784477233887},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.23564854264259338},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.12615084648132324},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.07279139757156372},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.06382599472999573}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2832105.2832111","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2832105.2832111","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Second Workshop on Accelerator Programming using Directives","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320337144","display_name":"National Supercomputing Center, Korea Institute of Science and Technology Information","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1976346389","https://openalex.org/W1980308405","https://openalex.org/W1990604500","https://openalex.org/W2019572146","https://openalex.org/W2091218619","https://openalex.org/W2092687851","https://openalex.org/W2117242079","https://openalex.org/W2117921803","https://openalex.org/W2120900954","https://openalex.org/W2169366690","https://openalex.org/W2473526392"],"related_works":["https://openalex.org/W1662038552","https://openalex.org/W2778498407","https://openalex.org/W3021568819","https://openalex.org/W1987014004","https://openalex.org/W650988184","https://openalex.org/W2162410319","https://openalex.org/W2137356287","https://openalex.org/W4321184925","https://openalex.org/W2255990315","https://openalex.org/W60915090"],"abstract_inverted_index":{"This":[0],"paper":[1],"describes":[2],"our":[3,38,115],"OpenACC":[4,42,80,142,163,187],"porting":[5,108,181],"efforts":[6,130],"for":[7],"a":[8,31,52,189,195],"code":[9,39,116,123,157,180],"that":[10,14,74,131],"we":[11,36,110],"have":[12],"developed":[13],"solves":[15],"the":[16,23,47,60,66,70,87,90,102,141,161,179,199,203],"isothermal":[17],"incompressible":[18],"Navier":[19],"Stokes":[20],"equation":[21],"via":[22],"lattice":[24],"Boltzmann":[25],"method":[26],"(LBM).":[27],"Implemented":[28],"initially":[29],"as":[30],"hybrid":[32],"MPI/OpenMP":[33],"parallel":[34],"program,":[35],"ported":[37],"to":[40,45,99,113,134,140],"use":[41],"in":[43,51,65,72,117,148,167],"order":[44],"obtain":[46],"benefit":[48,103],"of":[49,62,178,202],"accelerators":[50],"high":[53],"performance":[54,174],"computing":[55,192],"(HPC)":[56],"environment.":[57],"We":[58,125,151],"describe":[59,145],"elements":[61],"parallelism":[63,75],"inherent":[64],"LBM":[67],"algorithm":[68],"and":[69,97,144],"way":[71],"which":[73,183],"can":[76,93,165],"be":[77,94],"expressed":[78],"using":[79],"directives.":[81],"By":[82],"setting":[83],"compile-time":[84],"flags":[85],"during":[86,186],"build":[88],"process,":[89,182],"program":[91],"alternatively":[92],"compiled":[95],"for,":[96],"continue":[98],"run":[100],"without":[101,121],"of,":[104],"accelerators.":[105],"Through":[106],"this":[107,149],"process":[109],"were":[111,132],"able":[112],"accelerate":[114],"an":[118,153],"incremental":[119],"fashion":[120],"extensive":[122],"transformation.":[124],"point":[126],"out":[127],"some":[128],"additional":[129],"required":[133],"expose":[135],"C++":[136],"class":[137],"data":[138],"members":[139],"compiler":[143,169],"difficulties":[146],"encountered":[147],"process.":[150],"show":[152],"instance":[154],"where":[155],"similar":[156],"segments":[158],"decorated":[159],"with":[160,171],"same":[162],"directives":[164],"result":[166,177],"different":[168,173],"outputs":[170],"significantly":[172],"properties.":[175],"The":[176],"occurred":[184],"primarily":[185],"EuroHack,":[188],"5-day":[190],"intensive":[191],"workshop,":[193],"was":[194],"5.5x":[196],"speedup":[197],"over":[198],"non-accelerated":[200],"version":[201],"code.":[204]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}