{"id":"https://openalex.org/W1997674404","doi":"https://doi.org/10.1145/1810085.1810093","title":"Optimal bucket algorithms for large MPI collectives on torus interconnects","display_name":"Optimal bucket algorithms for large MPI collectives on torus interconnects","publication_year":2010,"publication_date":"2010-06-02","ids":{"openalex":"https://openalex.org/W1997674404","doi":"https://doi.org/10.1145/1810085.1810093","mag":"1997674404"},"language":"en","primary_location":{"id":"doi:10.1145/1810085.1810093","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1810085.1810093","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM International Conference on Supercomputing","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/A5025115023","display_name":"Nikhil Jain","orcid":"https://orcid.org/0009-0002-1555-9125"},"institutions":[{"id":"https://openalex.org/I4210103279","display_name":"IBM Research - India","ror":"https://ror.org/014wt7r80","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210103279","https://openalex.org/I4210114115"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Nikhil Jain","raw_affiliation_strings":["IBM Research - India, New Delhi, India"],"affiliations":[{"raw_affiliation_string":"IBM Research - India, New Delhi, India","institution_ids":["https://openalex.org/I4210103279"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033885850","display_name":"Yogish Sabharwal","orcid":"https://orcid.org/0009-0002-5053-2059"},"institutions":[{"id":"https://openalex.org/I4210103279","display_name":"IBM Research - India","ror":"https://ror.org/014wt7r80","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210103279","https://openalex.org/I4210114115"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Yogish Sabharwal","raw_affiliation_strings":["IBM Research - India, New Delhi, India"],"affiliations":[{"raw_affiliation_string":"IBM Research - India, New Delhi, India","institution_ids":["https://openalex.org/I4210103279"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5025115023"],"corresponding_institution_ids":["https://openalex.org/I4210103279"],"apc_list":null,"apc_paid":null,"fwci":4.5186,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.94614142,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"27","last_page":"36"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10829","display_name":"Interconnection Networks and Systems","score":0.9998999834060669,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9998999834060669,"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.998199999332428,"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":0.8415465950965881},{"id":"https://openalex.org/keywords/torus","display_name":"Torus","score":0.7482118010520935},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.7328131198883057},{"id":"https://openalex.org/keywords/ibm","display_name":"IBM","score":0.7001627683639526},{"id":"https://openalex.org/keywords/interconnection","display_name":"Interconnection","score":0.6926917433738708},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6887837052345276},{"id":"https://openalex.org/keywords/supercomputer","display_name":"Supercomputer","score":0.5528226494789124},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.5323318243026733},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.45011743903160095},{"id":"https://openalex.org/keywords/parallel-algorithm","display_name":"Parallel algorithm","score":0.4477147161960602},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4396059215068817},{"id":"https://openalex.org/keywords/architecture","display_name":"Architecture","score":0.4192986786365509},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.21500396728515625},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.15217673778533936},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08870971202850342}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8415465950965881},{"id":"https://openalex.org/C9767117","wikidata":"https://www.wikidata.org/wiki/Q12510","display_name":"Torus","level":2,"score":0.7482118010520935},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.7328131198883057},{"id":"https://openalex.org/C70388272","wikidata":"https://www.wikidata.org/wiki/Q5968558","display_name":"IBM","level":2,"score":0.7001627683639526},{"id":"https://openalex.org/C123745756","wikidata":"https://www.wikidata.org/wiki/Q1665949","display_name":"Interconnection","level":2,"score":0.6926917433738708},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6887837052345276},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.5528226494789124},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.5323318243026733},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.45011743903160095},{"id":"https://openalex.org/C120373497","wikidata":"https://www.wikidata.org/wiki/Q1087987","display_name":"Parallel algorithm","level":2,"score":0.4477147161960602},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4396059215068817},{"id":"https://openalex.org/C123657996","wikidata":"https://www.wikidata.org/wiki/Q12271","display_name":"Architecture","level":2,"score":0.4192986786365509},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.21500396728515625},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.15217673778533936},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08870971202850342},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1810085.1810093","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1810085.1810093","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM International Conference on Supercomputing","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":17,"referenced_works":["https://openalex.org/W112345847","https://openalex.org/W1526114793","https://openalex.org/W1549847926","https://openalex.org/W1578322035","https://openalex.org/W1969197658","https://openalex.org/W1970537620","https://openalex.org/W1989085065","https://openalex.org/W2009571103","https://openalex.org/W2013522103","https://openalex.org/W2104487100","https://openalex.org/W2105549957","https://openalex.org/W2128543830","https://openalex.org/W2164352834","https://openalex.org/W2286848013","https://openalex.org/W2645059573","https://openalex.org/W3137220996","https://openalex.org/W6634579821"],"related_works":["https://openalex.org/W3126131865","https://openalex.org/W2384867379","https://openalex.org/W3214280620","https://openalex.org/W2329539859","https://openalex.org/W3191490922","https://openalex.org/W2227905990","https://openalex.org/W2765823764","https://openalex.org/W2251285835","https://openalex.org/W49536250","https://openalex.org/W2126790453"],"abstract_inverted_index":{"Collectives":[0],"are":[1,50],"an":[2],"important":[3],"and":[4,24,47,102,112],"frequently":[5],"used":[6],"component":[7],"of":[8],"MPI.":[9],"Bucket":[10],"algorithms,":[11,17],"also":[12],"known":[13,31],"as":[14,28,42,80],"\"large":[15],"vector\"":[16],"were":[18],"introduced":[19],"in":[20,76],"the":[21,43,98],"early":[22],"90's":[23],"have":[25,70,85],"since":[26],"evolved":[27],"a":[29,57],"well":[30],"paradigm":[32],"for":[33,62,73,106,115],"large":[34,116],"MPI":[35,104],"collectives.":[36],"Many":[37],"modern":[38],"day":[39],"supercomputers":[40],"such":[41,79],"IBM":[44],"Blue":[45],"Gene":[46],"Cray":[48],"XT":[49],"based":[51],"on":[52,118],"torus":[53,74,119],"interconnects":[54,75],"that":[55],"offer":[56],"highly":[58],"scalable":[59],"interconnection":[60],"architecture":[61],"distributed":[63],"memory":[64],"systems.":[65],"While":[66],"near":[67],"optimal":[68],"algorithms":[69,84,108],"been":[71,87],"developed":[72],"other":[77],"paradigms,":[78],"spanning":[81],"trees,":[82],"bucket":[83,107],"not":[86],"optimally":[88],"extended":[89],"to":[90],"these":[91],"networks.":[92],"In":[93],"this":[94],"paper,":[95],"we":[96],"study":[97],"basic":[99],"\"divide,":[100],"distribute":[101],"gather\"":[103],"collectives":[105],"--":[109,114],"Allgather,":[110],"Reduce-scatter":[111],"Allreduce":[113],"messages":[117],"interconnects.":[120]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":7}],"updated_date":"2026-03-12T08:34:05.389933","created_date":"2025-10-10T00:00:00"}
