{"id":"https://openalex.org/W2023052549","doi":"https://doi.org/10.1145/2712386.2712394","title":"Exploiting communication concurrency on high performance computing systems","display_name":"Exploiting communication concurrency on high performance computing systems","publication_year":2015,"publication_date":"2015-01-28","ids":{"openalex":"https://openalex.org/W2023052549","doi":"https://doi.org/10.1145/2712386.2712394","mag":"2023052549"},"language":"en","primary_location":{"id":"doi:10.1145/2712386.2712394","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2712386.2712394","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2712386.2712394","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Sixth International Workshop on Programming Models and Applications for Multicores and Manycores","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/10.1145/2712386.2712394","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013775399","display_name":"Nicholas Chaimov","orcid":"https://orcid.org/0000-0001-7807-7620"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Nicholas Chaimov","raw_affiliation_strings":["University of Oregon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Oregon","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062016419","display_name":"Khaled Z. Ibrahim","orcid":"https://orcid.org/0009-0004-5362-3612"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Khaled Z. Ibrahim","raw_affiliation_strings":["Lawrence Berkeley National Laboratory"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lawrence Berkeley National Laboratory","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102746800","display_name":"Samuel Williams","orcid":"https://orcid.org/0000-0002-8327-5717"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Samuel Williams","raw_affiliation_strings":["Lawrence Berkeley National Laboratory"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lawrence Berkeley National Laboratory","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023233400","display_name":"Costin Iancu","orcid":"https://orcid.org/0000-0001-7845-2427"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Costin Iancu","raw_affiliation_strings":["Lawrence Berkeley National Laboratory"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lawrence Berkeley National Laboratory","institution_ids":["https://openalex.org/I148283060"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5013775399"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3294,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.60017271,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"132","last_page":"143"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":1.0,"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9990000128746033,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9987999796867371,"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":0.8993178606033325},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.8625181913375854},{"id":"https://openalex.org/keywords/concurrency","display_name":"Concurrency","score":0.775165855884552},{"id":"https://openalex.org/keywords/infiniband","display_name":"InfiniBand","score":0.745240330696106},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.7166059017181396},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.412800133228302},{"id":"https://openalex.org/keywords/byte","display_name":"Byte","score":0.4118875563144684},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.23829320073127747}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8993178606033325},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.8625181913375854},{"id":"https://openalex.org/C193702766","wikidata":"https://www.wikidata.org/wiki/Q1414548","display_name":"Concurrency","level":2,"score":0.775165855884552},{"id":"https://openalex.org/C2781030343","wikidata":"https://www.wikidata.org/wiki/Q922437","display_name":"InfiniBand","level":2,"score":0.745240330696106},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.7166059017181396},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.412800133228302},{"id":"https://openalex.org/C43364308","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Byte","level":2,"score":0.4118875563144684},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.23829320073127747}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1145/2712386.2712394","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2712386.2712394","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2712386.2712394","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Sixth International Workshop on Programming Models and Applications for Multicores and Manycores","raw_type":"proceedings-article"},{"id":"pmh:ark:/13030/qt85b7g7wd","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"pmh:oai:escholarship.org/ark:/13030/qt85b7g7wd","is_oa":false,"landing_page_url":"https://escholarship.org/uc/item/85b7g7wd","pdf_url":null,"source":{"id":"https://openalex.org/S4306400115","display_name":"eScholarship (California Digital Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2801248553","host_organization_name":"California Digital Library","host_organization_lineage":["https://openalex.org/I2801248553"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"article"},{"id":"pmh:oai:osti.gov:1407278","is_oa":true,"landing_page_url":"https://www.osti.gov/biblio/1407278","pdf_url":null,"source":{"id":"https://openalex.org/S4306402487","display_name":"OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I139351228","host_organization_name":"Office of Scientific and Technical Information","host_organization_lineage":["https://openalex.org/I139351228"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"pmh:qt85b7g7wd","is_oa":false,"landing_page_url":"http://www.escholarship.org/uc/item/85b7g7wd","pdf_url":null,"source":{"id":"https://openalex.org/S4306400115","display_name":"eScholarship (California Digital Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2801248553","host_organization_name":"California Digital Library","host_organization_lineage":["https://openalex.org/I2801248553"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Chaimov, N; Ibrahim, KZ; Williams, S; &amp; Iancu, C. (2015). Exploiting communication concurrency on high performance computing systems. Proceedings of the 6th International Workshop on Programming Models and Applications for Multicores and Manycores, PMAM 2015, 132 - 143. doi: 10.1145/2712386.2712394. Lawrence Berkeley National Laboratory: Lawrence Berkeley National Laboratory. Retrieved from: http://www.escholarship.org/uc/item/85b7g7wd","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1145/2712386.2712394","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2712386.2712394","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/2712386.2712394","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Sixth International Workshop on Programming Models and Applications for Multicores and Manycores","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2023052549.pdf","grobid_xml":"https://content.openalex.org/works/W2023052549.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W179815580","https://openalex.org/W313895472","https://openalex.org/W1579891937","https://openalex.org/W1861151562","https://openalex.org/W1907125365","https://openalex.org/W1975138713","https://openalex.org/W1975372360","https://openalex.org/W1983545421","https://openalex.org/W1985933012","https://openalex.org/W1991592439","https://openalex.org/W2000525071","https://openalex.org/W2022263640","https://openalex.org/W2034714579","https://openalex.org/W2063123664","https://openalex.org/W2076028817","https://openalex.org/W2087479145","https://openalex.org/W2097718502","https://openalex.org/W2102182691","https://openalex.org/W2102298809","https://openalex.org/W2109065830","https://openalex.org/W2121404908","https://openalex.org/W2131613942","https://openalex.org/W2138723837","https://openalex.org/W2138782497","https://openalex.org/W2144607581","https://openalex.org/W2150511820","https://openalex.org/W2157664430","https://openalex.org/W2163552442","https://openalex.org/W2536939761","https://openalex.org/W4237371203","https://openalex.org/W6682071374","https://openalex.org/W6728763577"],"related_works":["https://openalex.org/W2317245370","https://openalex.org/W4249323025","https://openalex.org/W198851386","https://openalex.org/W2030310580","https://openalex.org/W947442053","https://openalex.org/W1980160788","https://openalex.org/W2148915962","https://openalex.org/W2283866686","https://openalex.org/W4287182096","https://openalex.org/W27867058"],"abstract_inverted_index":{"Although":[0],"logically":[1],"available,":[2],"applications":[3],"may":[4],"not":[5],"exploit":[6],"enough":[7],"instantaneous":[8,41],"communication":[9,61,69],"concurrency":[10,43,83],"to":[11,37,45,67],"maximize":[12],"hardware":[13],"utilization":[14],"on":[15,102,114,137,155],"HPC":[16],"systems.":[17],"This":[18,132],"is":[19],"exacerbated":[20],"in":[21],"hybrid":[22,167],"programming":[23],"models":[24],"such":[25,121],"as":[26,94,96,106,108,122,127,129,150,152],"SPMD+OpenMP.":[27],"We":[28,147],"present":[29],"the":[30,40,52,74],"design":[31],"of":[32,51],"a":[33,141],"\"multi-threaded\"":[34],"runtime":[35,59],"able":[36],"transparently":[38],"increase":[39],"network":[42],"and":[44,55,78,91,104],"provide":[46],"near":[47],"saturation":[48],"bandwidth,":[49],"independent":[50],"application":[53,64,80,165],"configuration":[54],"dynamic":[56],"behavior.":[57],"The":[58],"forwards":[60],"requests":[62],"from":[63],"level":[65,81],"tasks":[66],"multiple":[68],"servers.":[70],"Our":[71],"techniques":[72],"alleviate":[73],"need":[75],"for":[76,98,110,140,158],"spatial":[77],"temporal":[79],"message":[82,89],"optimizations.":[84],"Experimental":[85],"results":[86],"show":[87],"improved":[88],"throughput":[90],"bandwidth":[92],"by":[93,105],"much":[95,107,128,151],"150%":[97],"4KB":[99,111],"bytes":[100],"messages":[101,113],"InfiniBand":[103],"120%":[109],"byte":[112],"Cray":[115],"Aries.":[116],"For":[117],"more":[118],"complex":[119],"operations":[120],"all-to-all":[123],"collectives,":[124],"we":[125],"observe":[126,149],"30%":[130],"speedup.":[131],"translates":[133],"into":[134],"23%":[135],"speedup":[136,154],"12,288":[138],"cores":[139,157],"NAS":[142],"FT":[143],"implemented":[144],"using":[145,166],"FFTW.":[146],"also":[148],"76%":[153],"1,500":[156],"an":[159],"already":[160],"optimized":[161],"UPC+OpenMP":[162],"geometric":[163],"multigrid":[164],"parallelism.":[168]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-05-12T08:28:47.272897","created_date":"2025-10-10T00:00:00"}
