{"id":"https://openalex.org/W2000531806","doi":"https://doi.org/10.1145/2642769.2642770","title":"MPI Collectives and Datatypes for Hierarchical All-to-all Communication","display_name":"MPI Collectives and Datatypes for Hierarchical All-to-all Communication","publication_year":2014,"publication_date":"2014-08-29","ids":{"openalex":"https://openalex.org/W2000531806","doi":"https://doi.org/10.1145/2642769.2642770","mag":"2000531806"},"language":"en","primary_location":{"id":"doi:10.1145/2642769.2642770","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2642769.2642770","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st European MPI Users' Group Meeting","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/A5064279948","display_name":"Jesper Larsson Tr\u00e4ff","orcid":"https://orcid.org/0000-0002-4864-9226"},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Jesper Larsson Tr\u00e4ff","raw_affiliation_strings":["Vienna University of Technology (TU Wien), Faculty of Informatics, Institute of Information Systems, Research Group Parallel Computing, Favoritenstrasse 16/184-5, 1040 Vienna, Austria","Vienna University of Technology (TU Wien), Faculty of Informatics, Institute of Information Systems, Research Group Parallel Computing, Favoritenstrasse 16/184-5, 1040 Vienna, Austria#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vienna University of Technology (TU Wien), Faculty of Informatics, Institute of Information Systems, Research Group Parallel Computing, Favoritenstrasse 16/184-5, 1040 Vienna, Austria","institution_ids":["https://openalex.org/I145847075"]},{"raw_affiliation_string":"Vienna University of Technology (TU Wien), Faculty of Informatics, Institute of Information Systems, Research Group Parallel Computing, Favoritenstrasse 16/184-5, 1040 Vienna, Austria#TAB#","institution_ids":["https://openalex.org/I145847075"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072136688","display_name":"Antoine Rougier","orcid":null},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Antoine Rougier","raw_affiliation_strings":["Vienna University of Technology (TU Wien), Faculty of Informatics, Institute of Information Systems, Research Group Parallel Computing, Favoritenstrasse 16/184-5, 1040 Vienna, Austria","Vienna University of Technology (TU Wien), Faculty of Informatics, Institute of Information Systems, Research Group Parallel Computing, Favoritenstrasse 16/184-5, 1040 Vienna, Austria#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vienna University of Technology (TU Wien), Faculty of Informatics, Institute of Information Systems, Research Group Parallel Computing, Favoritenstrasse 16/184-5, 1040 Vienna, Austria","institution_ids":["https://openalex.org/I145847075"]},{"raw_affiliation_string":"Vienna University of Technology (TU Wien), Faculty of Informatics, Institute of Information Systems, Research Group Parallel Computing, Favoritenstrasse 16/184-5, 1040 Vienna, Austria#TAB#","institution_ids":["https://openalex.org/I145847075"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I145847075"],"apc_list":null,"apc_paid":null,"fwci":2.1597,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.88478523,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"27","last_page":"32"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9941999912261963,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8878986835479736},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.7033708095550537},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.6907092332839966},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.5502545833587646},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3851149380207062},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.338235080242157},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3343748450279236}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8878986835479736},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.7033708095550537},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.6907092332839966},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.5502545833587646},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3851149380207062},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.338235080242157},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3343748450279236},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2642769.2642770","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2642769.2642770","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st European MPI Users' Group Meeting","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1551609171","https://openalex.org/W1558115001","https://openalex.org/W1575350781","https://openalex.org/W1838493653","https://openalex.org/W2014399170","https://openalex.org/W2038245285","https://openalex.org/W2097493498","https://openalex.org/W2110035325","https://openalex.org/W2123670167","https://openalex.org/W2131613942","https://openalex.org/W2141351738","https://openalex.org/W2150511820","https://openalex.org/W2166834428","https://openalex.org/W4238897013"],"related_works":["https://openalex.org/W2120447654","https://openalex.org/W2977179488","https://openalex.org/W2144453115","https://openalex.org/W2128223750","https://openalex.org/W4238532390","https://openalex.org/W2188872161","https://openalex.org/W2961779879","https://openalex.org/W4254638342","https://openalex.org/W2098482419","https://openalex.org/W2054468904"],"abstract_inverted_index":{"With":[0],"recent":[1],"MPI":[2,32,38,57,92,97],"3.0":[3],"functionality":[4],"for":[5,75],"creating":[6],"communicators":[7],"that":[8,36,48,63],"partly":[9],"reflects":[10],"the":[11,64,87,96,107,112],"hierarchy":[12,66],"of":[13,16,29,86,106],"standard":[14],"clusters":[15],"shared-memory":[17],"nodes,":[18],"hierarchical,":[19],"collective":[20,31,83,98],"algorithms":[21],"can":[22,68],"more":[23],"conveniently":[24],"be":[25,69],"implemented":[26],"by":[27,111],"combinations":[28],"other":[30],"operations.":[33,84],"On":[34],"systems":[35],"support":[37],"3.0,":[39],"with":[40,52],"MPI_Alltoall":[41,88],"as":[42],"a":[43],"concrete":[44],"example,":[45],"we":[46],"show":[47],"performance":[49,108],"on":[50,91],"par":[51],"or":[53],"better":[54],"than":[55],"native":[56],"implementations":[58],"is":[59],"possible,":[60],"thus":[61],"illustrating":[62],"provided":[65],"awareness":[67],"an":[70],"effective":[71],"and":[72],"portable":[73],"means":[74],"applications":[76],"to":[77,102],"implement":[78],"their":[79],"own,":[80],"efficient":[81],"(non-MPI)":[82],"Parts":[85],"implementation":[89],"relies":[90],"derived":[93,113],"datatypes;":[94],"however,":[95],"interfaces":[99],"lack":[100],"expressivity":[101],"take":[103],"full":[104],"advantage":[105],"benefits":[109],"offered":[110],"datatype":[114],"mechanism.":[115]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}