{"id":"https://openalex.org/W1978919094","doi":"https://doi.org/10.1145/2407156.2407203","title":"Parallel-pipeline-based traversal unit for hardware-accelerated ray tracing","display_name":"Parallel-pipeline-based traversal unit for hardware-accelerated ray tracing","publication_year":2012,"publication_date":"2012-11-28","ids":{"openalex":"https://openalex.org/W1978919094","doi":"https://doi.org/10.1145/2407156.2407203","mag":"1978919094"},"language":"en","primary_location":{"id":"doi:10.1145/2407156.2407203","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2407156.2407203","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH Asia 2012 Posters","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/A5100434592","display_name":"Jinwoo Kim","orcid":"https://orcid.org/0000-0002-1437-2206"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jin-Woo Kim","raw_affiliation_strings":["Yonsei University, Korea","Yonsei University, Korea#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yonsei University, Korea","institution_ids":["https://openalex.org/I193775966"]},{"raw_affiliation_string":"Yonsei University, Korea#TAB#","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085810657","display_name":"Won\u2010Jong Lee","orcid":"https://orcid.org/0000-0001-7352-5711"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Won-Jong Lee","raw_affiliation_strings":["Samsung Electronics, Korea","[SAMSUNG Electronics, Korea]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Samsung Electronics, Korea","institution_ids":["https://openalex.org/I2250650973"]},{"raw_affiliation_string":"[SAMSUNG Electronics, Korea]","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100768024","display_name":"Minwoo Lee","orcid":"https://orcid.org/0000-0001-9666-7990"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Min-Woo Lee","raw_affiliation_strings":["Yonsei University, Korea","Yonsei University, Korea#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yonsei University, Korea","institution_ids":["https://openalex.org/I193775966"]},{"raw_affiliation_string":"Yonsei University, Korea#TAB#","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111407719","display_name":"Tack\u2010Don Han","orcid":null},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Tack-Don Han","raw_affiliation_strings":["Yonsei University, Korea","Yonsei University, Korea#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yonsei University, Korea","institution_ids":["https://openalex.org/I193775966"]},{"raw_affiliation_string":"Yonsei University, Korea#TAB#","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.8688,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.89985321,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9908000230789185,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9846000075340271,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/tree-traversal","display_name":"Tree traversal","score":0.9033957719802856},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7841876745223999},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.7227239012718201},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.6595340967178345},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6375347375869751},{"id":"https://openalex.org/keywords/tracing","display_name":"Tracing","score":0.5439832210540771},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.4864053726196289},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.4659615159034729},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.4579041004180908},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.3728641867637634},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.19059142470359802},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.11303085088729858}],"concepts":[{"id":"https://openalex.org/C140745168","wikidata":"https://www.wikidata.org/wiki/Q1210082","display_name":"Tree traversal","level":2,"score":0.9033957719802856},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7841876745223999},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.7227239012718201},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.6595340967178345},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6375347375869751},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.5439832210540771},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.4864053726196289},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.4659615159034729},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.4579041004180908},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3728641867637634},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.19059142470359802},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.11303085088729858},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2407156.2407203","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2407156.2407203","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH Asia 2012 Posters","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2007036215","https://openalex.org/W2224700054","https://openalex.org/W3000296767","https://openalex.org/W4256509342"],"related_works":["https://openalex.org/W170547082","https://openalex.org/W2136735429","https://openalex.org/W2587876411","https://openalex.org/W2358332176","https://openalex.org/W4229950834","https://openalex.org/W4301044568","https://openalex.org/W1587123803","https://openalex.org/W2128075414","https://openalex.org/W2952867832","https://openalex.org/W2381399653"],"abstract_inverted_index":{"In":[0,111],"this":[1,115],"work,":[2],"we":[3,117],"propose":[4,118],"a":[5,48,66,91,119,124,142],"novel":[6],"parallel-pipeline":[7],"traversal":[8,36,50,82,121],"unit":[9,79,122],"for":[10],"hardware-based":[11,49],"ray":[12,76,98,151],"tracing,":[13],"which":[14],"can":[15],"reduce":[16],"latency":[17,149],"and":[18,28,37,51,152],"increase":[19],"cache":[20,154],"locality.":[21],"Owing":[22],"to":[23,113,137],"the":[24,45,73,88,97,108,132],"high":[25],"memory":[26],"bandwidth":[27],"computation":[29],"requirements":[30],"of":[31,47,75,90],"ray-tracing":[32],"operations":[33,83],"such":[34],"as":[35],"intersection":[38],"tests,":[39],"recent":[40],"studies":[41],"have":[42],"focused":[43],"on":[44,65],"development":[46],"intersection-test":[52],"unit[Nah":[53],"et":[54,57],"al.":[55,58],"2011][Lee":[56],"2012].":[59],"Existing":[60],"hardware":[61],"engines":[62],"are":[63],"based":[64],"single":[67],"deep":[68],"pipeline":[69,104,125],"structure":[70],"that":[71,131],"increases":[72,153],"throughput":[74],"processing":[77],"per":[78,126,150],"time.":[80],"However,":[81],"involve":[84],"non-deterministic":[85],"changes":[86],"in":[87,94],"states":[89],"ray.":[92],"Therefore,":[93],"some":[95],"cases,":[96],"may":[99],"be":[100],"unnecessarily":[101],"transferred":[102],"between":[103],"stages,":[105],"thereby":[106],"increasing":[107],"overall":[109],"latency.":[110],"order":[112],"solve":[114],"problem,":[116],"parallel":[120],"having":[123],"state.":[127],"Our":[128],"results":[129],"show":[130],"proposed":[133],"system":[134,144],"is":[135],"up":[136],"30%":[138],"more":[139],"efficient":[140],"than":[141],"single-pipeline":[143],"because":[145],"it":[146],"decreases":[147],"average":[148],"efficiency.":[155]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}