{"id":"https://openalex.org/W2064038426","doi":"https://doi.org/10.1109/ipdpsw.2010.5470885","title":"To upgrade or not to upgrade? Catamount vs. Cray Linux Environment","display_name":"To upgrade or not to upgrade? Catamount vs. Cray Linux Environment","publication_year":2010,"publication_date":"2010-04-01","ids":{"openalex":"https://openalex.org/W2064038426","doi":"https://doi.org/10.1109/ipdpsw.2010.5470885","mag":"2064038426"},"language":"en","primary_location":{"id":"doi:10.1109/ipdpsw.2010.5470885","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipdpsw.2010.5470885","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Symposium on Parallel &amp; Distributed Processing, Workshops and Phd Forum (IPDPSW)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5110790800","display_name":"S.D. Hammond","orcid":null},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"S.D. Hammond","raw_affiliation_strings":["High Performance Systems Group, University of Warwick, Coventry, UK","High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, UK","institution_ids":["https://openalex.org/I39555362"]},{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070789282","display_name":"Gihan R. Mudalige","orcid":"https://orcid.org/0000-0002-1398-5174"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"G.R. Mudalige","raw_affiliation_strings":["High Performance Systems Group, University of Warwick, Coventry, UK","High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, UK","institution_ids":["https://openalex.org/I39555362"]},{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102952737","display_name":"Jeffrey A. Smith","orcid":"https://orcid.org/0000-0002-2920-749X"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J.A. Smith","raw_affiliation_strings":["High Performance Systems Group, University of Warwick, Coventry, UK","High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, UK","institution_ids":["https://openalex.org/I39555362"]},{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087697033","display_name":"James Davis","orcid":"https://orcid.org/0000-0003-4284-4431"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J.A. Davis","raw_affiliation_strings":["High Performance Systems Group, University of Warwick, Coventry, UK","High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, UK","institution_ids":["https://openalex.org/I39555362"]},{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051267613","display_name":"Stephen A. Jarvis","orcid":"https://orcid.org/0000-0002-1249-2167"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"S.A. Jarvis","raw_affiliation_strings":["High Performance Systems Group, University of Warwick, Coventry, UK","High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, UK","institution_ids":["https://openalex.org/I39555362"]},{"raw_affiliation_string":"High Performance Systems Group, University of Warwick, Coventry, CV4 7AL, UK#TAB#","institution_ids":["https://openalex.org/I39555362"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113591675","display_name":"Jim Holt","orcid":null},"institutions":[{"id":"https://openalex.org/I4210092990","display_name":"Tessella (United Kingdom)","ror":"https://ror.org/00fpcwp04","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210092990"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J. Holt","raw_affiliation_strings":["Tessella Public Limited Company, Berkshire, UK","Tessella PLC, Abingdon Science Park, Berkshire, OX14 3YS, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tessella Public Limited Company, Berkshire, UK","institution_ids":["https://openalex.org/I4210092990"]},{"raw_affiliation_string":"Tessella PLC, Abingdon Science Park, Berkshire, OX14 3YS, UK","institution_ids":["https://openalex.org/I4210092990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091500185","display_name":"Ian D. Miller","orcid":"https://orcid.org/0000-0001-8401-9873"},"institutions":[{"id":"https://openalex.org/I2802201010","display_name":"Atomic Weapons Establishment","ror":"https://ror.org/02gv4h649","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2802201010"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"I. Miller","raw_affiliation_strings":["Atomic Weapons Establishment Public Limited Company, Reading, UK","Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Atomic Weapons Establishment Public Limited Company, Reading, UK","institution_ids":["https://openalex.org/I2802201010"]},{"raw_affiliation_string":"Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, UK","institution_ids":["https://openalex.org/I2802201010"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021705637","display_name":"J. A. Herdman","orcid":null},"institutions":[{"id":"https://openalex.org/I2802201010","display_name":"Atomic Weapons Establishment","ror":"https://ror.org/02gv4h649","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2802201010"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J.A. Herdman","raw_affiliation_strings":["Atomic Weapons Establishment Public Limited Company, Reading, UK","Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Atomic Weapons Establishment Public Limited Company, Reading, UK","institution_ids":["https://openalex.org/I2802201010"]},{"raw_affiliation_string":"Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, UK","institution_ids":["https://openalex.org/I2802201010"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050934684","display_name":"A. Vadgama","orcid":null},"institutions":[{"id":"https://openalex.org/I2802201010","display_name":"Atomic Weapons Establishment","ror":"https://ror.org/02gv4h649","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2802201010"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A. Vadgama","raw_affiliation_strings":["Atomic Weapons Establishment Public Limited Company, Reading, UK","Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Atomic Weapons Establishment Public Limited Company, Reading, UK","institution_ids":["https://openalex.org/I2802201010"]},{"raw_affiliation_string":"Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, UK","institution_ids":["https://openalex.org/I2802201010"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10101","display_name":"Cloud Computing and Resource Management","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.9997000098228455,"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9995999932289124,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/upgrade","display_name":"Upgrade","score":0.8468077182769775},{"id":"https://openalex.org/keywords/supercomputer","display_name":"Supercomputer","score":0.83943110704422},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7866550087928772},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.730194091796875},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.6310566663742065},{"id":"https://openalex.org/keywords/software-portability","display_name":"Software portability","score":0.5347456336021423},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5137751698493958},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.5128234028816223},{"id":"https://openalex.org/keywords/system-software","display_name":"System software","score":0.49662381410598755},{"id":"https://openalex.org/keywords/downtime","display_name":"Downtime","score":0.47627848386764526},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.42628079652786255},{"id":"https://openalex.org/keywords/multi-core-processor","display_name":"Multi-core processor","score":0.41553056240081787}],"concepts":[{"id":"https://openalex.org/C2780615140","wikidata":"https://www.wikidata.org/wiki/Q920419","display_name":"Upgrade","level":2,"score":0.8468077182769775},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.83943110704422},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7866550087928772},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.730194091796875},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.6310566663742065},{"id":"https://openalex.org/C63000827","wikidata":"https://www.wikidata.org/wiki/Q3080428","display_name":"Software portability","level":2,"score":0.5347456336021423},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5137751698493958},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.5128234028816223},{"id":"https://openalex.org/C2779960034","wikidata":"https://www.wikidata.org/wiki/Q676202","display_name":"System software","level":3,"score":0.49662381410598755},{"id":"https://openalex.org/C180591934","wikidata":"https://www.wikidata.org/wiki/Q1253369","display_name":"Downtime","level":2,"score":0.47627848386764526},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.42628079652786255},{"id":"https://openalex.org/C78766204","wikidata":"https://www.wikidata.org/wiki/Q555032","display_name":"Multi-core processor","level":2,"score":0.41553056240081787},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/ipdpsw.2010.5470885","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipdpsw.2010.5470885","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Symposium on Parallel &amp; Distributed Processing, Workshops and Phd Forum (IPDPSW)","raw_type":"proceedings-article"},{"id":"pmh:oai:wrap.warwick.ac.uk:47434","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306400665","display_name":"Warwick Research Archive Portal (University of Warwick)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I39555362","host_organization_name":"University of Warwick","host_organization_lineage":["https://openalex.org/I39555362"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Conference Item"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/fb98b936-c6f1-4934-9db6-224f69b82a6d","is_oa":false,"landing_page_url":"https://research.birmingham.ac.uk/en/publications/fb98b936-c6f1-4934-9db6-224f69b82a6d","pdf_url":null,"source":{"id":"https://openalex.org/S4306402634","display_name":"University of Birmingham Research Portal (University of Birmingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79619799","host_organization_name":"University of Birmingham","host_organization_lineage":["https://openalex.org/I79619799"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"contributionToPeriodical"},{"id":"pmh:oai:pure.atira.dk:publications/fb98b936-c6f1-4934-9db6-224f69b82a6d","is_oa":false,"landing_page_url":"http://www.scopus.com/inward/record.url?scp=77954067671&partnerID=8YFLogxK","pdf_url":null,"source":{"id":"https://openalex.org/S4306402634","display_name":"University of Birmingham Research Portal (University of Birmingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79619799","host_organization_name":"University of Birmingham","host_organization_lineage":["https://openalex.org/I79619799"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"contributionToPeriodical"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.5}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1572410620","https://openalex.org/W1907628529","https://openalex.org/W2068975988","https://openalex.org/W2079712861","https://openalex.org/W2103857436","https://openalex.org/W2109918084","https://openalex.org/W2127245553","https://openalex.org/W2129161772","https://openalex.org/W2129269323","https://openalex.org/W2130696365","https://openalex.org/W2138523408","https://openalex.org/W2140973798","https://openalex.org/W2146331174","https://openalex.org/W2152886061","https://openalex.org/W2166867164","https://openalex.org/W2166997500","https://openalex.org/W2604717528","https://openalex.org/W6634393230","https://openalex.org/W6670796038","https://openalex.org/W6676721926","https://openalex.org/W6680111036"],"related_works":["https://openalex.org/W2046276983","https://openalex.org/W2954002293","https://openalex.org/W107105315","https://openalex.org/W2078264086","https://openalex.org/W2892741875","https://openalex.org/W2164372000","https://openalex.org/W2109143577","https://openalex.org/W2161582432","https://openalex.org/W4388155270","https://openalex.org/W2293483733"],"abstract_inverted_index":{"Modern":[0],"supercomputers":[1],"are":[2],"growing":[3],"in":[4,43],"diversity":[5],"and":[6,19,46,52,60,76,96,126,149,151,202],"complexity":[7,47],"-":[8],"the":[9,25,44,58,66,107,124,127,166,178,194,240,245,261],"arrival":[10],"of":[11,48,62,69,84,110,123,142,169,185,192,197,243],"technologies":[12],"such":[13,31,154],"as":[14,155,164,180],"multi-core":[15],"processors,":[16],"general":[17],"purpose-GPUs":[18],"specialised":[20],"compute":[21],"accelerators":[22],"has":[23],"increased":[24],"potential":[26,67,108],"scientific":[27],"delivery":[28],"possible":[29,97,161],"from":[30,171],"machines.":[32],"This":[33,55,82,134,183],"is":[34,83,103,160,210,215,259],"not":[35,260],"however":[36],"without":[37],"some":[38],"cost,":[39],"including":[40],"significant":[41],"increases":[42],"sophistication":[45],"supporting":[49],"operating":[50,73,132,156,173,205,246],"systems":[51],"software":[53,77],"libraries.":[54],"paper":[56],"documents":[57],"development":[59],"application":[61],"methods":[63],"to":[64,87,162,165,175,217,248],"assess":[65],"performance":[68,109,167,186],"selecting":[70],"one":[71,172],"hardware,":[72],"system":[74,157,174,179,206,219,247],"(OS)":[75],"stack":[78],"combination":[79],"against":[80],"another.":[81],"particular":[85],"interest":[86],"supercomputing":[88],"centres,":[89],"which":[90],"routinely":[91],"examine":[92],"prospective":[93],"software/architecture":[94],"combinations":[95],"machine":[98,148],"upgrades.":[99,224],"A":[100],"case":[101,262],"study":[102],"presented":[104],"that":[105,137,228,239,257],"assesses":[106],"a":[111,140,146,181,198],"particle":[112],"transport":[113],"code":[114],"on":[115,145,177,232],"AWE's":[116],"Cray":[117,128],"XT3":[118],"8,000-core":[119],"supercomputer":[120,200],"running":[121,139],"images":[122],"Catamount":[125],"Linux":[129],"Environment":[130],"(CLE)":[131],"systems.":[133],"work":[135],"demonstrates":[136],"by":[138],"number":[141],"small":[143],"benchmarks":[144],"test":[147],"network,":[150],"observing":[152],"factors":[153],"noise,":[158],"it":[159,214],"speculate":[163],"impact":[168,241],"upgrading":[170,244],"another":[176],"whole.":[182],"use":[184],"modelling":[187],"represents":[188],"an":[189,204],"inexpensive":[190],"method":[191,209],"examining":[193],"likely":[195],"behaviour":[196],"large":[199],"before":[201],"after":[203],"upgrade;":[207],"this":[208,258],"also":[211],"attractive":[212],"if":[213],"desirable":[216],"minimise":[218],"downtime":[220],"while":[221],"exploring":[222],"software-system":[223],"The":[225],"results":[226],"show":[227],"benchmark":[229],"tests":[230],"run":[231],"less":[233,251],"than":[234,252],"256":[235],"cores":[236],"would":[237],"suggest":[238,256],"(overhead)":[242],"CLE":[249],"was":[250],"10%;":[253],"model":[254],"projections":[255],"at":[263],"scale.":[264]},"counts_by_year":[{"year":2019,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-19T07:52:34.831488","created_date":"2025-10-10T00:00:00"}
