{"id":"https://openalex.org/W3177047120","doi":"https://doi.org/10.1145/3448016.3457254","title":"MG-Join: A Scalable Join for Massively Parallel Multi-GPU Architectures","display_name":"MG-Join: A Scalable Join for Massively Parallel Multi-GPU Architectures","publication_year":2021,"publication_date":"2021-06-09","ids":{"openalex":"https://openalex.org/W3177047120","doi":"https://doi.org/10.1145/3448016.3457254","mag":"3177047120"},"language":"en","primary_location":{"id":"doi:10.1145/3448016.3457254","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3448016.3457254","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3448016.3457254","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2021 International Conference on Management of Data","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3448016.3457254","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048170763","display_name":"Johns Paul","orcid":"https://orcid.org/0000-0002-3473-2264"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Johns Paul","raw_affiliation_strings":["Nanyang Technological University, Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Nanyang Technological University, Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103071022","display_name":"Shengliang Lu","orcid":"https://orcid.org/0000-0003-4775-4005"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Shengliang Lu","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039946576","display_name":"Bingsheng He","orcid":"https://orcid.org/0000-0001-8618-4581"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Bingsheng He","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113573780","display_name":"Chiew Tong Lau","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chiew Tong Lau","raw_affiliation_strings":["Nanyang Technological University, Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"Nanyang Technological University, Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5048170763"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":3.0212,"has_fulltext":true,"cited_by_count":28,"citation_normalized_percentile":{"value":0.91422174,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1413","last_page":"1425"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9994000196456909,"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/T11478","display_name":"Caching and Content Delivery","score":0.9994000196456909,"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/T12292","display_name":"Graph Theory and Algorithms","score":0.9972000122070312,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9926000237464905,"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":0.8887887001037598},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7672494053840637},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.690723717212677},{"id":"https://openalex.org/keywords/join","display_name":"Join (topology)","score":0.6805697679519653},{"id":"https://openalex.org/keywords/hash-join","display_name":"Hash join","score":0.6526293754577637},{"id":"https://openalex.org/keywords/joins","display_name":"Joins","score":0.6381513476371765},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.5855655074119568},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5161081552505493},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.4625372886657715},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.41079646348953247},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.37557095289230347},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.20563453435897827},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.12193956971168518},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.11278918385505676},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08535328507423401}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8887887001037598},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7672494053840637},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.690723717212677},{"id":"https://openalex.org/C2776124973","wikidata":"https://www.wikidata.org/wiki/Q3183033","display_name":"Join (topology)","level":2,"score":0.6805697679519653},{"id":"https://openalex.org/C188805328","wikidata":"https://www.wikidata.org/wiki/Q4060691","display_name":"Hash join","level":3,"score":0.6526293754577637},{"id":"https://openalex.org/C2778692605","wikidata":"https://www.wikidata.org/wiki/Q4041866","display_name":"Joins","level":2,"score":0.6381513476371765},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.5855655074119568},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5161081552505493},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.4625372886657715},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.41079646348953247},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.37557095289230347},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.20563453435897827},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.12193956971168518},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.11278918385505676},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08535328507423401},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3448016.3457254","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3448016.3457254","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3448016.3457254","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2021 International Conference on Management of Data","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3448016.3457254","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3448016.3457254","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3448016.3457254","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2021 International Conference on Management of Data","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6347971685","display_name":null,"funder_award_id":"MOE2017-T2-1-122","funder_id":"https://openalex.org/F4320320751","funder_display_name":"Ministry of Education - Singapore"}],"funders":[{"id":"https://openalex.org/F4320309480","display_name":"Nvidia","ror":"https://ror.org/03jdj4y14"},{"id":"https://openalex.org/F4320320751","display_name":"Ministry of Education - Singapore","ror":"https://ror.org/01kcva023"},{"id":"https://openalex.org/F4320321026","display_name":"Ministry of Earth Sciences","ror":"https://ror.org/013cf5k59"},{"id":"https://openalex.org/F4320322724","display_name":"Ministry of Education, India","ror":"https://ror.org/048xjjh50"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3177047120.pdf","grobid_xml":"https://content.openalex.org/works/W3177047120.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W27773700","https://openalex.org/W1577974847","https://openalex.org/W1993226606","https://openalex.org/W2018995228","https://openalex.org/W2041470524","https://openalex.org/W2050277572","https://openalex.org/W2066860750","https://openalex.org/W2101161250","https://openalex.org/W2110975861","https://openalex.org/W2137903824","https://openalex.org/W2161981797","https://openalex.org/W2180824136","https://openalex.org/W2203398219","https://openalex.org/W2262100274","https://openalex.org/W2276395270","https://openalex.org/W2435648513","https://openalex.org/W2440477515","https://openalex.org/W2554037575","https://openalex.org/W2581090187","https://openalex.org/W2592936523","https://openalex.org/W2623697208","https://openalex.org/W2750871773","https://openalex.org/W2771670685","https://openalex.org/W2798525482","https://openalex.org/W2884318472","https://openalex.org/W2907714110","https://openalex.org/W2908321983","https://openalex.org/W2912050199","https://openalex.org/W2935056433","https://openalex.org/W2955627812","https://openalex.org/W2963127770","https://openalex.org/W2963548276","https://openalex.org/W2968522260","https://openalex.org/W2969766737","https://openalex.org/W2970139027","https://openalex.org/W2998104365","https://openalex.org/W3011144431","https://openalex.org/W3109106363","https://openalex.org/W4210366337","https://openalex.org/W4236539906","https://openalex.org/W4252246366","https://openalex.org/W6732114665"],"related_works":["https://openalex.org/W2393491644","https://openalex.org/W4206577045","https://openalex.org/W650102067","https://openalex.org/W2740404111","https://openalex.org/W1550806730","https://openalex.org/W1496672428","https://openalex.org/W2589740103","https://openalex.org/W2397450670","https://openalex.org/W1966967794","https://openalex.org/W3086237447"],"abstract_inverted_index":{"The":[0],"recent":[1],"scale-up":[2],"of":[3,9,19,30,43,56,72,84,117,172,176,203,213],"GPU":[4,217],"hardware":[5],"through":[6],"the":[7,17,40,46,61,64,73,96,126,141,154,163,173,177,187,200],"integration":[8],"multiple":[10,35,89,115],"GPUs":[11,44,65,116],"into":[12],"a":[13,99,108,118,131],"single":[14,100,119],"machine":[15,156],"and":[16,45,66,166],"introduction":[18],"higher":[20],"bandwidth":[21,76,127,175],"interconnects":[22],"like":[23],"NVLink":[24],"2.0":[25],"has":[26],"enabled":[27],"new":[28],"opportunities":[29],"relational":[31],"query":[32],"processing":[33],"on":[34,88,98,114,153],"GPUs.":[36],"However,":[37],"due":[38],"to":[39,54,80,123,148,169,194,208],"unique":[41],"characteristics":[42],"interconnects,":[47,178],"existing":[48],"hash":[49,85,111,189],"join":[50,86,112,190],"implementations":[51,191],"spend":[52],"up":[53,168,193,207],"66%":[55],"their":[57],"execution":[58],"time":[59],"moving":[60],"data":[62,146],"between":[63],"achieve":[67],"lower":[68],"than":[69,95],"50%":[70],"utilization":[71,171],"newer":[74],"high":[75],"interconnects.":[77],"This":[78],"leads":[79],"extremely":[81],"poor":[82],"scalablity":[83],"performance":[87,97,202],"GPUs,":[90],"which":[91],"can":[92],"be":[93],"slower":[94],"GPU.":[101],"In":[102,121],"this":[103],"paper,":[104],"we":[105,129],"propose":[106],"MG-Join,":[107],"scalable":[109],"partitioned":[110],"implementation":[113],"machine.":[120],"order":[122],"effectively":[124],"improve":[125,199],"utilization,":[128],"develop":[130],"novel":[132],"multi-hop":[133],"routing":[134],"for":[135,144],"cross-GPU":[136],"communication":[137,164],"that":[138,158],"adaptively":[139],"chooses":[140],"efficient":[142],"route":[143],"each":[145],"flow":[147],"minimize":[149],"congestion.":[150],"Our":[151],"experiments":[152],"DGX-1":[155],"show":[157],"MG-Join":[159,185,196],"helps":[160,198],"significantly":[161,181],"reduce":[162],"overhead":[165],"achieves":[167],"97%":[170],"bisection":[174],"resulting":[179],"in":[180],"better":[182],"scalability.":[183],"Overall,":[184],"outperforms":[186],"state-of-the-art":[188],"by":[192,206],"2.5x.":[195],"further":[197],"overall":[201],"TPC-H":[204],"queries":[205],"4.5x":[209],"over":[210],"multi-GPU":[211],"version":[212],"an":[214],"open-source":[215],"commercial":[216],"database":[218],"Omnisci.":[219]},"counts_by_year":[{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":8}],"updated_date":"2026-03-18T14:38:29.013473","created_date":"2025-10-10T00:00:00"}