{"id":"https://openalex.org/W2068367260","doi":"https://doi.org/10.1145/1188455.1188607","title":"Poster reception---Toward a power efficient computer architecture for Barnes-Hut N-body simulations","display_name":"Poster reception---Toward a power efficient computer architecture for Barnes-Hut N-body simulations","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W2068367260","doi":"https://doi.org/10.1145/1188455.1188607","mag":"2068367260"},"language":"en","primary_location":{"id":"doi:10.1145/1188455.1188607","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1188455.1188607","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2006 ACM/IEEE conference on Supercomputing - SC '06","raw_type":"proceedings-article"},"type":"conference-abstract","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/A5113655168","display_name":"Konrad Malkowski","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Konrad Malkowski","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102868534","display_name":"Padma Raghavan","orcid":"https://orcid.org/0009-0002-6785-2112"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Padma Raghavan","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112796358","display_name":"M.J. Irwin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mary Jane Irwin","raw_affiliation_strings":["","Institute for Computational and Data Sciences (ICDS)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]},{"raw_affiliation_string":"Institute for Computational and Data Sciences (ICDS)","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"146","last_page":"146"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9994999766349792,"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":0.9994999766349792,"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":0.998199999332428,"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"}},{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9945999979972839,"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":0.7106029987335205},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.6214554309844971},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5770112872123718},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.5620492696762085},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.5558527112007141},{"id":"https://openalex.org/keywords/dissipation","display_name":"Dissipation","score":0.5182706713676453},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5172805786132812},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.5161310434341431},{"id":"https://openalex.org/keywords/microarchitecture","display_name":"Microarchitecture","score":0.49033665657043457},{"id":"https://openalex.org/keywords/power-consumption","display_name":"Power consumption","score":0.4180724322795868},{"id":"https://openalex.org/keywords/degradation","display_name":"Degradation (telecommunications)","score":0.4138965308666229},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.13607162237167358},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1292920708656311},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.095905601978302}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7106029987335205},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.6214554309844971},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5770112872123718},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.5620492696762085},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.5558527112007141},{"id":"https://openalex.org/C135402231","wikidata":"https://www.wikidata.org/wiki/Q898440","display_name":"Dissipation","level":2,"score":0.5182706713676453},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5172805786132812},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.5161310434341431},{"id":"https://openalex.org/C107598950","wikidata":"https://www.wikidata.org/wiki/Q259864","display_name":"Microarchitecture","level":2,"score":0.49033665657043457},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.4180724322795868},{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.4138965308666229},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.13607162237167358},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1292920708656311},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.095905601978302},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1188455.1188607","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1188455.1188607","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2006 ACM/IEEE conference on Supercomputing - SC '06","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.9100000262260437,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2347486132","https://openalex.org/W2005635288","https://openalex.org/W2316789606","https://openalex.org/W2350340797","https://openalex.org/W4293224283","https://openalex.org/W2950501077","https://openalex.org/W2368601041","https://openalex.org/W2079984045","https://openalex.org/W179829755","https://openalex.org/W2348548806"],"abstract_inverted_index":{"Recent":[0],"improvements":[1],"in":[2,16,23,42],"processor":[3,120],"performance":[4,38,87,106],"have":[5],"been":[6],"accompanied":[7],"by":[8,96,102,122],"increased":[9,17],"chip":[10],"complexity":[11],"and":[12,27,41,63,65,74,98,112],"power":[13,58,83,93],"consumption,":[14],"resulting":[15],"heat":[18],"dissipation.":[19],"This":[20],"has":[21],"resulted":[22],"higher":[24],"cooling":[25],"costs":[26],"lower":[28,82],"reliability.":[29],"In":[30],"this":[31],"paper,":[32],"we":[33],"focus":[34],"on":[35],"power-aware":[36],"high":[37],"scientific":[39],"computing":[40],"particular":[43],"the":[44,61,115,119,132],"Barnes-Hut":[45],"(BH)":[46],"code":[47],"that":[48],"is":[49,94,100],"used":[50],"for":[51],"N-body":[52],"problems.":[53],"We":[54],"show":[55],"how":[56],"low":[57],"modes":[59],"of":[60,118,125],"CPU":[62],"caches,":[64],"hardware":[66],"optimizations":[67],"such":[68],"as":[69],"a":[70,123],"load":[71],"miss":[72],"predictor":[73],"data":[75],"prefetchers":[76],"enable":[77],"BH":[78],"to":[79,131],"operate":[80],"at":[81],"configurations":[84],"with":[85,104,110],"out":[86],"degradation.":[88],"On":[89],"our":[90],"optimized":[91],"processor,":[92],"reduced":[95,101],"57%":[97],"energy":[99,116],"58%":[103],"no":[105],"penalty":[107],"using":[108],"simulations":[109],"SimpleScalar":[111],"Wattch.":[113],"Consequently,":[114],"efficiency":[117],"increases":[121],"factor":[124],"more":[126],"than":[127],"two":[128],"when":[129],"compared":[130],"base":[133],"architecture.":[134]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-19T07:52:34.831488","created_date":"2025-10-10T00:00:00"}