{"id":"https://openalex.org/W1981585303","doi":"https://doi.org/10.1145/2018323.2018335","title":"SAH KD-tree construction on GPU","display_name":"SAH KD-tree construction on GPU","publication_year":2011,"publication_date":"2011-08-05","ids":{"openalex":"https://openalex.org/W1981585303","doi":"https://doi.org/10.1145/2018323.2018335","mag":"1981585303"},"language":"en","primary_location":{"id":"doi:10.1145/2018323.2018335","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2018323.2018335","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM SIGGRAPH Symposium on High Performance Graphics","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/A5044438056","display_name":"Zhefeng Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhefeng Wu","raw_affiliation_strings":["Zhejiang University","Zhejiang, University"],"affiliations":[{"raw_affiliation_string":"Zhejiang University","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Zhejiang, University","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060030241","display_name":"Fukai Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fukai Zhao","raw_affiliation_strings":["Zhejiang University","Zhejiang, University"],"affiliations":[{"raw_affiliation_string":"Zhejiang University","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Zhejiang, University","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110708902","display_name":"Xinguo Liu","orcid":"https://orcid.org/0000-0002-2084-4310"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinguo Liu","raw_affiliation_strings":["Zhejiang University","Zhejiang, University"],"affiliations":[{"raw_affiliation_string":"Zhejiang University","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Zhejiang, University","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5044438056"],"corresponding_institution_ids":["https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":13.1724,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.9850682,"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":"71","last_page":"78"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T11439","display_name":"Video Analysis and Summarization","score":0.9854999780654907,"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/T11106","display_name":"Data Management and Algorithms","score":0.9783999919891357,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.7780827283859253},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.6969087719917297},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.6161755919456482},{"id":"https://openalex.org/keywords/bounding-overwatch","display_name":"Bounding overwatch","score":0.5826459527015686},{"id":"https://openalex.org/keywords/cuda","display_name":"CUDA","score":0.5430064797401428},{"id":"https://openalex.org/keywords/k-d-tree","display_name":"k-d tree","score":0.5341379046440125},{"id":"https://openalex.org/keywords/parallel-algorithm","display_name":"Parallel algorithm","score":0.4672994911670685},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4476553201675415},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15316739678382874},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.11345678567886353},{"id":"https://openalex.org/keywords/tree-traversal","display_name":"Tree traversal","score":0.11061039566993713},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09415128827095032}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7780827283859253},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.6969087719917297},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.6161755919456482},{"id":"https://openalex.org/C63584917","wikidata":"https://www.wikidata.org/wiki/Q333286","display_name":"Bounding overwatch","level":2,"score":0.5826459527015686},{"id":"https://openalex.org/C2778119891","wikidata":"https://www.wikidata.org/wiki/Q477690","display_name":"CUDA","level":2,"score":0.5430064797401428},{"id":"https://openalex.org/C33721204","wikidata":"https://www.wikidata.org/wiki/Q309949","display_name":"k-d tree","level":3,"score":0.5341379046440125},{"id":"https://openalex.org/C120373497","wikidata":"https://www.wikidata.org/wiki/Q1087987","display_name":"Parallel algorithm","level":2,"score":0.4672994911670685},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4476553201675415},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15316739678382874},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.11345678567886353},{"id":"https://openalex.org/C140745168","wikidata":"https://www.wikidata.org/wiki/Q1210082","display_name":"Tree traversal","level":2,"score":0.11061039566993713},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09415128827095032}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2018323.2018335","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2018323.2018335","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the ACM SIGGRAPH Symposium on High Performance Graphics","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5687441399","display_name":null,"funder_award_id":"2009CB320801","funder_id":"https://openalex.org/F4320321540","funder_display_name":"Ministry of Science and Technology of the People's Republic of China"},{"id":"https://openalex.org/G6161763643","display_name":null,"funder_award_id":"60970074","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320310050","display_name":"University of Utah","ror":"https://ror.org/03r0ha626"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321540","display_name":"Ministry of Science and Technology of the People's Republic of China","ror":"https://ror.org/027s68j25"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1564611446","https://openalex.org/W1575955136","https://openalex.org/W1967810725","https://openalex.org/W1991777702","https://openalex.org/W2000697206","https://openalex.org/W2019708326","https://openalex.org/W2067313328","https://openalex.org/W2082535145","https://openalex.org/W2101746450","https://openalex.org/W2105824580","https://openalex.org/W2111194344","https://openalex.org/W2118558147","https://openalex.org/W2119547137","https://openalex.org/W2137706341","https://openalex.org/W2145951843","https://openalex.org/W2153226019","https://openalex.org/W2539190955","https://openalex.org/W2545201814","https://openalex.org/W3138798301"],"related_works":["https://openalex.org/W2161462353","https://openalex.org/W1570785333","https://openalex.org/W2363538625","https://openalex.org/W1997955449","https://openalex.org/W2054653010","https://openalex.org/W2070865675","https://openalex.org/W2032508741","https://openalex.org/W2965967938","https://openalex.org/W4297775710","https://openalex.org/W1937514268"],"abstract_inverted_index":{"KD-tree":[0],"is":[1,23],"one":[2],"of":[3,79,83],"the":[4,33,44,54,61,74,80,84,107,112,124],"most":[5],"efficient":[6],"acceleration":[7],"data":[8],"structures":[9],"for":[10,64],"ray":[11],"tracing.":[12],"In":[13,39],"this":[14],"paper,":[15],"we":[16,47],"present":[17],"a":[18,49,69],"kd-tree":[19,110],"construction":[20],"algorithm":[21,71,104],"that":[22,102],"precisely":[24,42],"SAH-optimized":[25],"and":[26,68,123],"runs":[27,117],"entirely":[28],"on":[29,53],"GPU.":[30],"We":[31],"construct":[32],"tree":[34],"nodes":[35],"in":[36],"breadth-first":[37],"order.":[38],"order":[40],"to":[41,59,72,95],"evaluate":[43],"SAH":[45,126],"cost,":[46],"design":[48],"parallel":[50,56,89],"scheme":[51],"based":[52],"standard":[55],"scan":[57],"primitive":[58],"count":[60],"triangle":[62],"numbers":[63],"all":[65],"split":[66],"candidates,":[67],"bucket-based":[70],"sort":[73],"AABBs":[75],"(axis-aligned":[76],"bounding":[77],"box)":[78],"clipped":[81],"triangles":[82],"child":[85],"nodes.":[86],"The":[87,99],"proposed":[88],"algorithms":[90,122],"can":[91,105],"be":[92],"mapped":[93],"well":[94],"GPU's":[96],"streaming":[97],"architecture.":[98],"experiments":[100],"showed":[101],"our":[103],"produce":[106],"highest":[108],"quality":[109],"as":[111],"off-line":[113],"CPU":[114,121],"algorithms,":[115],"but":[116],"faster":[118],"than":[119],"multi-core":[120],"GPU":[125],"BVH-Tree":[127],"algorithm.":[128]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}