{"id":"https://openalex.org/W2074645159","doi":"https://doi.org/10.1145/2818950.2818981","title":"Herniated Hash Tables","display_name":"Herniated Hash Tables","publication_year":2015,"publication_date":"2015-10-05","ids":{"openalex":"https://openalex.org/W2074645159","doi":"https://doi.org/10.1145/2818950.2818981","mag":"2074645159"},"language":"en","primary_location":{"id":"doi:10.1145/2818950.2818981","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2818950.2818981","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2015 International Symposium on Memory Systems","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/A5056683895","display_name":"Zhaoxia Deng","orcid":"https://orcid.org/0000-0001-6946-5357"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Zhaoxia Deng","raw_affiliation_strings":["University of California, Santa Barbara","University of California,Santa Barbara,"],"affiliations":[{"raw_affiliation_string":"University of California, Santa Barbara","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"University of California,Santa Barbara,","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090512508","display_name":"Lunkai Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lunkai Zhang","raw_affiliation_strings":["University of California, Santa Barbara","University of California,Santa Barbara,"],"affiliations":[{"raw_affiliation_string":"University of California, Santa Barbara","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"University of California,Santa Barbara,","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015650035","display_name":"Diana Franklin","orcid":"https://orcid.org/0000-0003-1495-9805"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Diana Franklin","raw_affiliation_strings":["University of California, Santa Barbara","University of California,Santa Barbara,"],"affiliations":[{"raw_affiliation_string":"University of California, Santa Barbara","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"University of California,Santa Barbara,","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083979678","display_name":"Frederic T. Chong","orcid":"https://orcid.org/0000-0001-9282-4645"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Frederic T. Chong","raw_affiliation_strings":["University of California, Santa Barbara","University of California,Santa Barbara,"],"affiliations":[{"raw_affiliation_string":"University of California, Santa Barbara","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"University of California,Santa Barbara,","institution_ids":["https://openalex.org/I154570441"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5056683895"],"corresponding_institution_ids":["https://openalex.org/I154570441"],"apc_list":null,"apc_paid":null,"fwci":2.5839,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.89654862,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"247","last_page":"257"},"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9994999766349792,"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/T11478","display_name":"Caching and Content Delivery","score":0.9991999864578247,"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/computer-science","display_name":"Computer science","score":0.807010293006897},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.7346314787864685},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.6272181272506714},{"id":"https://openalex.org/keywords/hash-table","display_name":"Hash table","score":0.5297425985336304},{"id":"https://openalex.org/keywords/chaining","display_name":"Chaining","score":0.5118610262870789},{"id":"https://openalex.org/keywords/double-hashing","display_name":"Double hashing","score":0.46450966596603394},{"id":"https://openalex.org/keywords/parallelism","display_name":"Parallelism (grammar)","score":0.4389190673828125},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.41672295331954956},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.06076201796531677}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.807010293006897},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.7346314787864685},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.6272181272506714},{"id":"https://openalex.org/C67388219","wikidata":"https://www.wikidata.org/wiki/Q207440","display_name":"Hash table","level":3,"score":0.5297425985336304},{"id":"https://openalex.org/C49020025","wikidata":"https://www.wikidata.org/wiki/Q1059099","display_name":"Chaining","level":2,"score":0.5118610262870789},{"id":"https://openalex.org/C138111711","wikidata":"https://www.wikidata.org/wiki/Q478351","display_name":"Double hashing","level":4,"score":0.46450966596603394},{"id":"https://openalex.org/C2781172179","wikidata":"https://www.wikidata.org/wiki/Q853109","display_name":"Parallelism (grammar)","level":2,"score":0.4389190673828125},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.41672295331954956},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.06076201796531677},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2818950.2818981","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2818950.2818981","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2015 International Symposium on Memory Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320337965","display_name":"California NanoSystems Institute","ror":"https://ror.org/00q7fqf35"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W27678557","https://openalex.org/W1983826793","https://openalex.org/W1999704760","https://openalex.org/W2033982707","https://openalex.org/W2037115337","https://openalex.org/W2041588416","https://openalex.org/W2042227081","https://openalex.org/W2042661579","https://openalex.org/W2063050381","https://openalex.org/W2084802221","https://openalex.org/W2093724377","https://openalex.org/W2098909011","https://openalex.org/W2100399943","https://openalex.org/W2116578804","https://openalex.org/W2123728009","https://openalex.org/W2143104608","https://openalex.org/W2147657366","https://openalex.org/W2154465219","https://openalex.org/W2156003674","https://openalex.org/W2158493028","https://openalex.org/W2159392969","https://openalex.org/W2169395663","https://openalex.org/W2169875292","https://openalex.org/W2204664557","https://openalex.org/W2293221651","https://openalex.org/W3015096516","https://openalex.org/W3099743262","https://openalex.org/W4231537493","https://openalex.org/W4248908839","https://openalex.org/W6675232287"],"related_works":["https://openalex.org/W2058705974","https://openalex.org/W4313170568","https://openalex.org/W4318193138","https://openalex.org/W1719676592","https://openalex.org/W1968472996","https://openalex.org/W2775967409","https://openalex.org/W4323528793","https://openalex.org/W1605023936","https://openalex.org/W2136399778","https://openalex.org/W102859714"],"abstract_inverted_index":{"Hash":[0],"tables":[1,24],"are":[2],"a":[3,75],"commonly":[4],"used":[5,8],"data":[6,17],"structure":[7],"in":[9],"many":[10],"algorithms":[11],"and":[12,16,28,37,61,92],"applications.":[13],"As":[14],"applications":[15],"scale,":[18],"the":[19],"efficient":[20],"implementation":[21],"of":[22,51],"hash":[23,44,73,90],"becomes":[25,34],"increasingly":[26,35],"important":[27,36],"challenging.":[29],"In":[30],"particular,":[31],"memory":[32,68,82],"capacity":[33],"entries":[38],"can":[39],"become":[40],"asymmetrically":[41],"chained":[42],"across":[43],"buckets.":[45],"This":[46],"chaining":[47],"prevents":[48],"two":[49],"forms":[50],"parallelism:":[52],"memory-level":[53],"parallelism":[54,63,94],"(allowing":[55,64],"multiple":[56],"prefetch":[57],"requests":[58],"to":[59,66,85],"overlap)":[60],"memory-computation":[62],"computation":[65],"overlap":[67],"operations).":[69],"We":[70],"propose,":[71],"herniated":[72],"tables,":[74],"technique":[76],"that":[77],"exploits":[78],"multi-level":[79],"phase":[80],"change":[81],"(PCM)":[83],"storage":[84,87],"expand":[86],"at":[88],"each":[89],"bucket":[91],"increase":[93],"without":[95],"increasing":[96],"physical":[97],"space.":[98]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
