{"id":"https://openalex.org/W4321606653","doi":"https://doi.org/10.1109/comsnets56262.2023.10041279","title":"Whodunnit? A case-study of an investigation to find a multi-core scalability bottleneck","display_name":"Whodunnit? A case-study of an investigation to find a multi-core scalability bottleneck","publication_year":2023,"publication_date":"2023-01-03","ids":{"openalex":"https://openalex.org/W4321606653","doi":"https://doi.org/10.1109/comsnets56262.2023.10041279"},"language":"en","primary_location":{"id":"doi:10.1109/comsnets56262.2023.10041279","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/comsnets56262.2023.10041279","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 15th International Conference on COMmunication Systems & NETworkS (COMSNETS)","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/A5113437210","display_name":"C. V. J. Varma","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Chaitanya Varma","raw_affiliation_strings":["Indian Institute of Technology Bombay,Dept. of Computer Science and Engineering,Mumbai,India","Dept. of Computer Science and Engineering, Indian Institute of Technology Bombay, Mumbai, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay,Dept. of Computer Science and Engineering,Mumbai,India","institution_ids":["https://openalex.org/I162827531"]},{"raw_affiliation_string":"Dept. of Computer Science and Engineering, Indian Institute of Technology Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5105412482","display_name":"Varsha Apte","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Varsha Apte","raw_affiliation_strings":["Indian Institute of Technology Bombay,Dept. of Computer Science and Engineering,Mumbai,India","Dept. of Computer Science and Engineering, Indian Institute of Technology Bombay, Mumbai, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay,Dept. of Computer Science and Engineering,Mumbai,India","institution_ids":["https://openalex.org/I162827531"]},{"raw_affiliation_string":"Dept. of Computer Science and Engineering, Indian Institute of Technology Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5113437210"],"corresponding_institution_ids":["https://openalex.org/I162827531"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.01384333,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"41","issue":null,"first_page":"234","last_page":"242"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11122","display_name":"Online Learning and Analytics","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T11122","display_name":"Online Learning and Analytics","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T10533","display_name":"Teaching and Learning Programming","score":0.9505000114440918,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/bottleneck","display_name":"Bottleneck","score":0.9483524560928345},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.8878641128540039},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8242521286010742},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.7586606740951538},{"id":"https://openalex.org/keywords/multi-core-processor","display_name":"Multi-core processor","score":0.6991852521896362},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.6753478050231934},{"id":"https://openalex.org/keywords/profiling","display_name":"Profiling (computer programming)","score":0.5712058544158936},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5116575360298157},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4780728816986084},{"id":"https://openalex.org/keywords/core","display_name":"Core (optical fiber)","score":0.4293665289878845},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.2253435254096985},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.21076518297195435},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08140283823013306},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.0649559497833252}],"concepts":[{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.9483524560928345},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.8878641128540039},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8242521286010742},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.7586606740951538},{"id":"https://openalex.org/C78766204","wikidata":"https://www.wikidata.org/wiki/Q555032","display_name":"Multi-core processor","level":2,"score":0.6991852521896362},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.6753478050231934},{"id":"https://openalex.org/C187191949","wikidata":"https://www.wikidata.org/wiki/Q1138496","display_name":"Profiling (computer programming)","level":2,"score":0.5712058544158936},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5116575360298157},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4780728816986084},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.4293665289878845},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.2253435254096985},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.21076518297195435},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08140283823013306},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0649559497833252}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/comsnets56262.2023.10041279","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/comsnets56262.2023.10041279","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 15th International Conference on COMmunication Systems & NETworkS (COMSNETS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2088961263","https://openalex.org/W2281036777","https://openalex.org/W2296335794","https://openalex.org/W2610223650","https://openalex.org/W6631155369","https://openalex.org/W6695237428","https://openalex.org/W6697144307"],"related_works":["https://openalex.org/W2135248929","https://openalex.org/W2092690310","https://openalex.org/W1493624592","https://openalex.org/W3190662310","https://openalex.org/W1507878993","https://openalex.org/W2798440551","https://openalex.org/W2794767707","https://openalex.org/W2888459714","https://openalex.org/W1646292588","https://openalex.org/W2139075651"],"abstract_inverted_index":{"Programming":[0],"autograding":[1,40,55,68],"at":[2],"scale":[3],"is":[4,14,38,50],"a":[5,15,95,141,197],"requirement":[6],"for":[7,22,53,92,94,195],"many":[8],"online":[9,45],"learning":[10,46],"applications.":[11],"This":[12],"paper":[13],"case":[16],"study":[17,158],"report":[18],"of":[19,31,42,99,143],"the":[20,23,28,39,66,100,135,157,179],"hunt":[21],"bottleneck":[24,161],"that":[25,65,78,130,160,175],"was":[26,147],"hindering":[27],"multicore":[29],"scalability":[30],"one":[32],"such":[33,196],"autograder":[34],"-":[35],"EvalPro.":[36],"EvalPro":[37,72],"module":[41],"our":[43,57,144,151],"in-house":[44],"application":[47],"Bodhitree,":[48],"and":[49,115,166,169,174],"used":[51,149],"regularly":[52],"program":[54,139],"in":[56],"introductory":[58],"programming":[59],"course.":[60],"A":[61],"baseline":[62],"experiment":[63],"found":[64],"maximum":[67],"throughput":[69],"provided":[70,79],"by":[71,150],"did":[73],"not":[74,140,184,191],"increase":[75],"much":[76],"beyond":[77],"with":[80,125],"8":[81],"cores.":[82],"We":[83,122],"however":[84],"had":[85],"larger":[86],"servers":[87],"(e.g.":[88],"64":[89],"core":[90],"machines)":[91],"use":[93],"scaled":[96],"up":[97],"deployment":[98],"application.":[101,152],"To":[102],"address":[103],"this":[104,124],"issue,":[105],"we":[106],"followed":[107,123],"an":[108,137],"empirical":[109],"approach":[110],"first,":[111],"hypothesizing":[112],"various":[113],"bottlenecks":[114],"checking":[116],"whether":[117],"removing":[118],"them":[119],"increased":[120],"scalability.":[121],"profiling":[126],"experiments":[127],"on":[128],"microbenchmarks":[129],"finally":[131],"helped":[132],"us":[133],"identify":[134],"bottleneck:":[136],"off-the-shelf":[138],"part":[142],"application,":[145],"but":[146],"simply":[148],"Our":[153],"main":[154],"conclusions":[155],"from":[156],"are":[159],"identification":[162],"studies":[163],"remain":[164],"complex":[165],"time":[167],"consuming":[168],"must":[170],"be":[171],"done":[172],"systematically,":[173],"stable":[176],"well-known,":[177],"off":[178],"shelf":[180],"programs":[181],"may":[182,190],"also":[183],"display":[185],"multi-core":[186],"scalability,":[187],"as":[188],"they":[189],"have":[192],"been":[193],"built":[194],"purpose.":[198]},"counts_by_year":[],"updated_date":"2025-12-21T01:58:51.020947","created_date":"2025-10-10T00:00:00"}