{"id":"https://openalex.org/W4205809260","doi":"https://doi.org/10.1109/nvmsa53655.2021.9628460","title":"OCTO+: Optimized Checkpointing of B+ Trees for Non-Volatile Main Memory Wear-Leveling","display_name":"OCTO+: Optimized Checkpointing of B+ Trees for Non-Volatile Main Memory Wear-Leveling","publication_year":2021,"publication_date":"2021-08-18","ids":{"openalex":"https://openalex.org/W4205809260","doi":"https://doi.org/10.1109/nvmsa53655.2021.9628460"},"language":"en","primary_location":{"id":"doi:10.1109/nvmsa53655.2021.9628460","is_oa":false,"landing_page_url":"https://doi.org/10.1109/nvmsa53655.2021.9628460","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 10th Non-Volatile Memory Systems and Applications Symposium (NVMSA)","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/A5026855001","display_name":"Christian Hakert","orcid":"https://orcid.org/0000-0001-9992-9415"},"institutions":[{"id":"https://openalex.org/I4210145666","display_name":"Embedded Systems (United States)","ror":"https://ror.org/04742eh45","country_code":"US","type":"company","lineage":["https://openalex.org/I4210145666"]},{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]}],"countries":["DE","US"],"is_corresponding":true,"raw_author_name":"Christian Hakert","raw_affiliation_strings":["Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund"],"affiliations":[{"raw_affiliation_string":"Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund","institution_ids":["https://openalex.org/I4210145666","https://openalex.org/I200332995"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103230324","display_name":"Roland K\u00fchn","orcid":"https://orcid.org/0000-0002-1485-140X"},"institutions":[{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]},{"id":"https://openalex.org/I4210145666","display_name":"Embedded Systems (United States)","ror":"https://ror.org/04742eh45","country_code":"US","type":"company","lineage":["https://openalex.org/I4210145666"]}],"countries":["DE","US"],"is_corresponding":false,"raw_author_name":"Roland Kuhn","raw_affiliation_strings":["Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund"],"affiliations":[{"raw_affiliation_string":"Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund","institution_ids":["https://openalex.org/I4210145666","https://openalex.org/I200332995"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040715141","display_name":"Kuan-Hsun Chen","orcid":"https://orcid.org/0000-0002-7110-921X"},"institutions":[{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]},{"id":"https://openalex.org/I4210145666","display_name":"Embedded Systems (United States)","ror":"https://ror.org/04742eh45","country_code":"US","type":"company","lineage":["https://openalex.org/I4210145666"]}],"countries":["DE","US"],"is_corresponding":false,"raw_author_name":"Kuan-Hsun Chen","raw_affiliation_strings":["Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund"],"affiliations":[{"raw_affiliation_string":"Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund","institution_ids":["https://openalex.org/I4210145666","https://openalex.org/I200332995"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000417436","display_name":"Jian-Jia Chen","orcid":"https://orcid.org/0000-0001-8114-9760"},"institutions":[{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]},{"id":"https://openalex.org/I4210145666","display_name":"Embedded Systems (United States)","ror":"https://ror.org/04742eh45","country_code":"US","type":"company","lineage":["https://openalex.org/I4210145666"]}],"countries":["DE","US"],"is_corresponding":false,"raw_author_name":"Jian-Jia Chen","raw_affiliation_strings":["Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund"],"affiliations":[{"raw_affiliation_string":"Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund","institution_ids":["https://openalex.org/I4210145666","https://openalex.org/I200332995"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069919328","display_name":"Jens Teubner","orcid":"https://orcid.org/0000-0002-0344-5203"},"institutions":[{"id":"https://openalex.org/I4210145666","display_name":"Embedded Systems (United States)","ror":"https://ror.org/04742eh45","country_code":"US","type":"company","lineage":["https://openalex.org/I4210145666"]},{"id":"https://openalex.org/I200332995","display_name":"TU Dortmund University","ror":"https://ror.org/01k97gp34","country_code":"DE","type":"education","lineage":["https://openalex.org/I200332995"]}],"countries":["DE","US"],"is_corresponding":false,"raw_author_name":"Jens Teubner","raw_affiliation_strings":["Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund"],"affiliations":[{"raw_affiliation_string":"Design Automation for Embedded Systems Group / Databases and Information Systems Group, Technische Universit\u00e4t Dortmund","institution_ids":["https://openalex.org/I4210145666","https://openalex.org/I200332995"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5026855001"],"corresponding_institution_ids":["https://openalex.org/I200332995","https://openalex.org/I4210145666"],"apc_list":null,"apc_paid":null,"fwci":0.4606,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.62275166,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"37","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9993000030517578,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9993000030517578,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/dram","display_name":"Dram","score":0.7895717024803162},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7492315173149109},{"id":"https://openalex.org/keywords/memory-footprint","display_name":"Memory footprint","score":0.6127259135246277},{"id":"https://openalex.org/keywords/non-volatile-memory","display_name":"Non-volatile memory","score":0.5906081199645996},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.5442278385162354},{"id":"https://openalex.org/keywords/phase-change-memory","display_name":"Phase-change memory","score":0.5165154337882996},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.47534796595573425},{"id":"https://openalex.org/keywords/byte","display_name":"Byte","score":0.45934706926345825},{"id":"https://openalex.org/keywords/software-deployment","display_name":"Software deployment","score":0.4524971842765808},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.4382796287536621},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3719522953033447},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.33670520782470703},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.09969460964202881}],"concepts":[{"id":"https://openalex.org/C7366592","wikidata":"https://www.wikidata.org/wiki/Q1255620","display_name":"Dram","level":2,"score":0.7895717024803162},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7492315173149109},{"id":"https://openalex.org/C74912251","wikidata":"https://www.wikidata.org/wiki/Q6815727","display_name":"Memory footprint","level":2,"score":0.6127259135246277},{"id":"https://openalex.org/C177950962","wikidata":"https://www.wikidata.org/wiki/Q10997658","display_name":"Non-volatile memory","level":2,"score":0.5906081199645996},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.5442278385162354},{"id":"https://openalex.org/C64142963","wikidata":"https://www.wikidata.org/wiki/Q1153902","display_name":"Phase-change memory","level":3,"score":0.5165154337882996},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.47534796595573425},{"id":"https://openalex.org/C43364308","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Byte","level":2,"score":0.45934706926345825},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.4524971842765808},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.4382796287536621},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3719522953033447},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.33670520782470703},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.09969460964202881},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/nvmsa53655.2021.9628460","is_oa":false,"landing_page_url":"https://doi.org/10.1109/nvmsa53655.2021.9628460","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 10th Non-Volatile Memory Systems and Applications Symposium (NVMSA)","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":29,"referenced_works":["https://openalex.org/W1422898865","https://openalex.org/W1985229168","https://openalex.org/W2061686471","https://openalex.org/W2062604069","https://openalex.org/W2101810455","https://openalex.org/W2112753327","https://openalex.org/W2121795083","https://openalex.org/W2147657366","https://openalex.org/W2204664557","https://openalex.org/W2290022288","https://openalex.org/W2414992661","https://openalex.org/W2433709474","https://openalex.org/W2462134012","https://openalex.org/W2769084511","https://openalex.org/W2885847077","https://openalex.org/W2897324020","https://openalex.org/W2918970670","https://openalex.org/W2944895246","https://openalex.org/W2982080974","https://openalex.org/W2999811406","https://openalex.org/W3014011427","https://openalex.org/W3015208901","https://openalex.org/W3107339562","https://openalex.org/W3117500950","https://openalex.org/W4244361616","https://openalex.org/W4246281707","https://openalex.org/W6715824581","https://openalex.org/W6759473254","https://openalex.org/W6775909962"],"related_works":["https://openalex.org/W4214773815","https://openalex.org/W3204477689","https://openalex.org/W1983958623","https://openalex.org/W2110321764","https://openalex.org/W2550153070","https://openalex.org/W2078067390","https://openalex.org/W2162174949","https://openalex.org/W4254007354","https://openalex.org/W2541696051","https://openalex.org/W1486495540"],"abstract_inverted_index":{"Steady":[0],"deployment":[1],"of":[2,53,89,117,132],"byte":[3],"addressable":[4],"non-volatile":[5],"memories":[6],"(NVMs)":[7],"as":[8,24],"main":[9],"memory":[10,97,107,133],"in":[11,39,130],"server":[12],"class":[13],"computers":[14],"yields":[15],"challenges":[16],"on":[17,56],"software.":[18],"In":[19,121],"order":[20],"to":[21,45,66],"overcome":[22],"shortcomings,":[23],"for":[25,82],"instance":[26],"low":[27],"cell":[28],"endurance":[29,62],"and":[30,41,63,92,103,113],"high":[31],"access":[32],"latencies,":[33],"working":[34],"data":[35],"can":[36],"be":[37,43],"kept":[38],"DRAM":[40,111],"continuously":[42],"checkpointed":[44],"the":[46,51,54,61,67,90,93,110,114,118],"NVM.":[47],"Although":[48],"this":[49],"reduces":[50],"impact":[52],"NVM":[55,115],"usual":[57],"execution,":[58],"it":[59],"shifts":[60],"latency":[64],"issue":[65],"checkpointing.":[68],"Alongside":[69],"widely":[70],"studied":[71],"generic":[72],"wear-leveling":[73,80],"solutions,":[74],"we":[75,125],"propose":[76],"an":[77,87,122],"application":[78,91],"cooperative":[79],"scheme":[81],"$\\mathrm{B}^{+}$":[83,119],"trees,":[84],"that":[85],"realizes":[86],"interplay":[88],"wear-leveling.":[94],"We":[95],"collect":[96],"usage":[98],"statistics":[99],"during":[100],"tree":[101],"operations":[102],"dynamically":[104],"choose":[105],"a":[106],"mapping":[108],"between":[109],"footprint":[112],"checkpoint":[116],"tree.":[120],"experimental":[123],"evaluation,":[124],"achieve":[126],"$3":[127],"\\times$":[128],"improvement":[129],"terms":[131],"lifetime.":[134]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}