{"id":"https://openalex.org/W2142661080","doi":"https://doi.org/10.1145/1088149.1088196","title":"Parallel sparse LU factorization on second-class message passing platforms","display_name":"Parallel sparse LU factorization on second-class message passing platforms","publication_year":2005,"publication_date":"2005-06-20","ids":{"openalex":"https://openalex.org/W2142661080","doi":"https://doi.org/10.1145/1088149.1088196","mag":"2142661080"},"language":"en","primary_location":{"id":"doi:10.1145/1088149.1088196","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1088149.1088196","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 19th annual international conference on Supercomputing","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/A5101432507","display_name":"Kai Shen","orcid":"https://orcid.org/0000-0002-3764-6775"},"institutions":[{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Kai Shen","raw_affiliation_strings":["University of Rochester"],"affiliations":[{"raw_affiliation_string":"University of Rochester","institution_ids":["https://openalex.org/I5388228"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5101432507"],"corresponding_institution_ids":["https://openalex.org/I5388228"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.21560956,"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":"351","last_page":"360"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9994000196456909,"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/T10792","display_name":"Matrix Theory and Algorithms","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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":0.8420618176460266},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.7811521291732788},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.7562909126281738},{"id":"https://openalex.org/keywords/message-passing-interface","display_name":"Message Passing Interface","score":0.508873462677002},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.4699419140815735},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2149016559123993},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.15140196681022644}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8420618176460266},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.7811521291732788},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.7562909126281738},{"id":"https://openalex.org/C166782233","wikidata":"https://www.wikidata.org/wiki/Q127879","display_name":"Message Passing Interface","level":3,"score":0.508873462677002},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.4699419140815735},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2149016559123993},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.15140196681022644}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1088149.1088196","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1088149.1088196","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 19th annual international conference on Supercomputing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.91.2675","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.91.2675","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.rochester.edu/~kshen/papers/ics2005.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W143438160","https://openalex.org/W1481131999","https://openalex.org/W1973727312","https://openalex.org/W1978421859","https://openalex.org/W1981404639","https://openalex.org/W2003105834","https://openalex.org/W2004656897","https://openalex.org/W2017431061","https://openalex.org/W2023924583","https://openalex.org/W2027880019","https://openalex.org/W2028495395","https://openalex.org/W2035080386","https://openalex.org/W2038205735","https://openalex.org/W2041720103","https://openalex.org/W2051170452","https://openalex.org/W2052602889","https://openalex.org/W2067580655","https://openalex.org/W2069849438","https://openalex.org/W2070299075","https://openalex.org/W2111912335","https://openalex.org/W2119197001","https://openalex.org/W2129256515","https://openalex.org/W2141331848","https://openalex.org/W2145118117"],"related_works":["https://openalex.org/W2124048060","https://openalex.org/W1902983110","https://openalex.org/W2378910916","https://openalex.org/W4386915331","https://openalex.org/W2359388727","https://openalex.org/W2086666199","https://openalex.org/W1511717675","https://openalex.org/W2116006827","https://openalex.org/W2361929291","https://openalex.org/W2368564840"],"abstract_inverted_index":{"Several":[0],"message":[1,46,53,59,68,113,139],"passing-based":[2],"parallel":[3,41],"solvers":[4,33],"have":[5],"been":[6],"developed":[7],"for":[8,29],"general":[9],"(non-symmetric)":[10],"sparse":[11],"LU":[12],"factorization":[13],"with":[14,44,66,107,137],"partial":[15],"pivoting.":[16],"Due":[17],"to":[18,37,63,88],"the":[19,78,101,117,129,143],"fine-grain":[20],"synchronization":[21,103],"and":[22,55,97,125,165],"large":[23],"communication":[24,80,162],"volume":[25],"between":[26],"computing":[27,42],"nodes":[28],"this":[30,70],"application,":[31],"existing":[32],"are":[34,169],"mostly":[35],"intended":[36],"run":[38],"on":[39,111,132,151],"tightly-coupled":[40],"platforms":[43,65],"high":[45],"passing":[47,114],"performance":[48,123,144],"(e.g.,":[49],"1-10":[50],"\u03bcs":[51],"in":[52,58,92],"latency":[54],"100-1000":[56],"Mbytes/sec":[57],"throughput).":[60],"In":[61,82],"order":[62],"utilize":[64],"slower":[67],"passing,":[69,140],"paper":[71],"investigates":[72],"techniques":[73,164],"that":[74,167],"can":[75],"significantly":[76],"reduce":[77],"application's":[79],"needs.":[81],"particular,":[83],"we":[84],"propose":[85],"batch":[86,119],"pivoting":[87,120],"make":[89],"pivot":[90],"selections":[91],"groups":[93],"through":[94],"speculative":[95,118],"factorization,":[96],"thus":[98],"substantially":[99],"decrease":[100],"inter-processor":[102],"granularity.":[104],"We":[105,157],"experimented":[106],"an":[108,133,152],"MPI-based":[109],"implementation":[110],"several":[112,160],"platforms.":[115],"While":[116],"provides":[121],"no":[122],"benefit":[124],"even":[126],"slightly":[127],"weakens":[128],"numerical":[130],"stability":[131],"IBM":[134],"Regatta":[135],"multiprocessor":[136],"fast":[138],"it":[141],"improves":[142],"of":[145],"our":[146,174],"test":[147],"matrices":[148],"by":[149],"28-292%":[150],"Ethernet-connected":[153],"16-node":[154],"PC":[155],"cluster.":[156],"also":[158],"evaluated":[159],"other":[161],"reduction":[163],"showed":[166],"they":[168],"not":[170],"as":[171,173],"effective":[172],"proposed":[175],"approach.":[176]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
