{"id":"https://openalex.org/W7116400613","doi":"https://doi.org/10.1145/3750720.3757303","title":"Minimizing CGYRO HPC Communication Costs in Ensembles with XGYRO by Sharing the Collisional Constant Tensor Structure","display_name":"Minimizing CGYRO HPC Communication Costs in Ensembles with XGYRO by Sharing the Collisional Constant Tensor Structure","publication_year":2025,"publication_date":"2025-09-08","ids":{"openalex":"https://openalex.org/W7116400613","doi":"https://doi.org/10.1145/3750720.3757303"},"language":null,"primary_location":{"id":"doi:10.1145/3750720.3757303","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3750720.3757303","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Workshop Proceedings of the 54th International Conference on Parallel Processing","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3750720.3757303","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002738602","display_name":"I. Sfiligoi","orcid":"https://orcid.org/0000-0002-9308-5327"},"institutions":[{"id":"https://openalex.org/I36258959","display_name":"University of California San Diego","ror":"https://ror.org/0168r3w48","country_code":"US","type":"education","lineage":["https://openalex.org/I36258959"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Igor Sfiligoi","raw_affiliation_strings":["Unversity of California San Diego, La Jolla, USA"],"raw_orcid":"https://orcid.org/0000-0002-9308-5327","affiliations":[{"raw_affiliation_string":"Unversity of California San Diego, La Jolla, USA","institution_ids":["https://openalex.org/I36258959"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5120884575","display_name":"Emily A. Belli","orcid":null},"institutions":[{"id":"https://openalex.org/I63533367","display_name":"General Atomics (United States)","ror":"https://ror.org/03ngjpk76","country_code":"US","type":"company","lineage":["https://openalex.org/I63533367"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Emily A. Belli","raw_affiliation_strings":["General Atomics, La Jolla, USA"],"raw_orcid":"https://orcid.org/0000-0001-7947-2841","affiliations":[{"raw_affiliation_string":"General Atomics, La Jolla, USA","institution_ids":["https://openalex.org/I63533367"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005111516","display_name":"J. Candy","orcid":"https://orcid.org/0000-0003-3884-6485"},"institutions":[{"id":"https://openalex.org/I63533367","display_name":"General Atomics (United States)","ror":"https://ror.org/03ngjpk76","country_code":"US","type":"company","lineage":["https://openalex.org/I63533367"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeff Candy","raw_affiliation_strings":["General Atomics, La Jolla, USA"],"raw_orcid":"https://orcid.org/0000-0003-3884-6485","affiliations":[{"raw_affiliation_string":"General Atomics, La Jolla, USA","institution_ids":["https://openalex.org/I63533367"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5002738602"],"corresponding_institution_ids":["https://openalex.org/I36258959"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.75534131,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"210","last_page":"212"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10346","display_name":"Magnetic confinement fusion research","score":0.9677000045776367,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10346","display_name":"Magnetic confinement fusion research","score":0.9677000045776367,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13769","display_name":"Fusion and Plasma Physics Studies","score":0.003100000089034438,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13436","display_name":"Space Technology and Applications","score":0.002300000051036477,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.5629000067710876},{"id":"https://openalex.org/keywords/tensor","display_name":"Tensor (intrinsic definition)","score":0.4675999879837036},{"id":"https://openalex.org/keywords/fusion","display_name":"Fusion","score":0.41130000352859497},{"id":"https://openalex.org/keywords/memory-management","display_name":"Memory management","score":0.358599990606308},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.30570000410079956}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6934999823570251},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.5629000067710876},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.4675999879837036},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41839998960494995},{"id":"https://openalex.org/C158525013","wikidata":"https://www.wikidata.org/wiki/Q2593739","display_name":"Fusion","level":2,"score":0.41130000352859497},{"id":"https://openalex.org/C176649486","wikidata":"https://www.wikidata.org/wiki/Q2308807","display_name":"Memory management","level":3,"score":0.358599990606308},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.326200008392334},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.32600000500679016},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.30570000410079956},{"id":"https://openalex.org/C133875982","wikidata":"https://www.wikidata.org/wiki/Q764810","display_name":"Shared memory","level":2,"score":0.2800000011920929},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.2793999910354614},{"id":"https://openalex.org/C50311922","wikidata":"https://www.wikidata.org/wiki/Q898535","display_name":"Statistical ensemble","level":4,"score":0.272599995136261},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.257999986410141}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3750720.3757303","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3750720.3757303","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Workshop Proceedings of the 54th International Conference on Parallel Processing","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3750720.3757303","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3750720.3757303","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Workshop Proceedings of the 54th International Conference on Parallel Processing","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.5216761231422424,"display_name":"Decent work and economic growth","id":"https://metadata.un.org/sdg/8"}],"awards":[{"id":"https://openalex.org/G1606411904","display_name":null,"funder_award_id":"DE-SC0024425","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G3973244307","display_name":null,"funder_award_id":"DE-FG02-95ER54309","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"}],"funders":[{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1964812496","https://openalex.org/W2483753839","https://openalex.org/W2945962785","https://openalex.org/W4284972861"],"related_works":[],"abstract_inverted_index":{"First-principles":[0],"fusion":[1,47],"plasma":[2],"simulations":[3,70],"are":[4,49,95,126],"both":[5],"compute":[6],"and":[7,10,91],"memory":[8,28,137,152],"intensive,":[9],"CGYRO":[11,69,140],"is":[12,36],"no":[13],"exception.":[14],"The":[15,110],"use":[16],"of":[17,51,53,68,117,139],"many":[18],"HPC":[19,74],"nodes":[20],"to":[21,38],"fit":[22],"the":[23,26,78,86,105,115,118,136,146],"problem":[24],"in":[25,31,150,158,161],"available":[27],"thus":[29],"results":[30,149,160],"significant":[32],"communication":[33,164],"overhead,":[34],"which":[35,157],"hard":[37],"avoid":[39],"for":[40,154],"any":[41,99],"single":[42,73,100],"simulation.":[43],"That":[44],"said,":[45],"most":[46],"studies":[48],"composed":[50],"ensembles":[52],"simulations,":[54,141],"so":[55,142],"we":[56],"developed":[57],"a":[58,65,72,81,108],"new":[59],"tool,":[60],"named":[61],"XGYRO,":[62],"that":[63,94],"executes":[64],"whole":[66,147],"ensemble":[67,79,106,148],"as":[71,80,107],"job.":[75],"By":[76],"treating":[77],"unit,":[82],"XGYRO":[83],"can":[84],"alter":[85],"global":[87],"buffer":[88],"distribution":[89],"logic":[90],"apply":[92],"optimizations":[93],"not":[96],"feasible":[97],"on":[98,104],"simulation,":[101,156],"but":[102],"only":[103],"whole.":[109],"main":[111],"saving":[112],"comes":[113],"from":[114],"sharing":[116],"collisional":[119],"constant":[120],"tensor":[121],"structure,":[122],"since":[123],"its":[124],"values":[125],"typically":[127],"identical":[128],"between":[129],"parameter-sweep":[130],"simulations.":[131],"This":[132],"data":[133],"structure":[134],"dominates":[135],"consumption":[138],"distributing":[143],"it":[144],"among":[145],"drastic":[151],"savings":[153],"each":[155],"turn":[159],"overall":[162],"lower":[163],"overhead.":[165]},"counts_by_year":[],"updated_date":"2025-12-21T02:06:08.432651","created_date":"2025-12-21T00:00:00"}