{"id":"https://openalex.org/W7154034747","doi":"https://doi.org/10.1109/access.2026.3682996","title":"PoolTA: Mitigating Migration Overhead in Memory Tiering for CXL-Based Systems","display_name":"PoolTA: Mitigating Migration Overhead in Memory Tiering for CXL-Based Systems","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7154034747","doi":"https://doi.org/10.1109/access.2026.3682996"},"language":"en","primary_location":{"id":"doi:10.1109/access.2026.3682996","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3682996","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2026.3682996","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5120710822","display_name":"Mohammad Saleh Arafati","orcid":null},"institutions":[{"id":"https://openalex.org/I48379061","display_name":"Shahid Beheshti University","ror":"https://ror.org/0091vmj44","country_code":"IR","type":"education","lineage":["https://openalex.org/I48379061"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mohammad Saleh Arafati","raw_affiliation_strings":["Department of Computer Science and Engineering, Shahid Beheshti University, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shahid Beheshti University, Tehran, Iran","institution_ids":["https://openalex.org/I48379061"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133486137","display_name":"Erfan Abedi","orcid":null},"institutions":[{"id":"https://openalex.org/I48379061","display_name":"Shahid Beheshti University","ror":"https://ror.org/0091vmj44","country_code":"IR","type":"education","lineage":["https://openalex.org/I48379061"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Erfan Abedi","raw_affiliation_strings":["Department of Computer Science and Engineering, Shahid Beheshti University, Tehran, Iran"],"raw_orcid":"https://orcid.org/0009-0007-2500-0233","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shahid Beheshti University, Tehran, Iran","institution_ids":["https://openalex.org/I48379061"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020862455","display_name":"Elham Cheshmikhani","orcid":"https://orcid.org/0000-0003-3737-683X"},"institutions":[{"id":"https://openalex.org/I48379061","display_name":"Shahid Beheshti University","ror":"https://ror.org/0091vmj44","country_code":"IR","type":"education","lineage":["https://openalex.org/I48379061"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Elham Cheshmikhani","raw_affiliation_strings":["Department of Computer Science and Engineering, Shahid Beheshti University, Tehran, Iran"],"raw_orcid":"https://orcid.org/0000-0003-3737-683X","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Shahid Beheshti University, Tehran, Iran","institution_ids":["https://openalex.org/I48379061"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I48379061"],"apc_list":{"value":2075,"currency":"USD","value_usd":2075},"apc_paid":{"value":2075,"currency":"USD","value_usd":2075},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.35998446,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":null,"first_page":"57002","last_page":"57013"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.2858000099658966,"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"}},"topics":[{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.2858000099658966,"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":0.24650000035762787,"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":0.10769999772310257,"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/overhead","display_name":"Overhead (engineering)","score":0.697700023651123},{"id":"https://openalex.org/keywords/random-access-memory","display_name":"Random access memory","score":0.35040000081062317},{"id":"https://openalex.org/keywords/time-division-multiplexing","display_name":"Time-division multiplexing","score":0.3027999997138977},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.3019999861717224},{"id":"https://openalex.org/keywords/memory-protection","display_name":"Memory protection","score":0.29600000381469727}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.786899983882904},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.697700023651123},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.49729999899864197},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3928999900817871},{"id":"https://openalex.org/C2994168587","wikidata":"https://www.wikidata.org/wiki/Q5295","display_name":"Random access memory","level":2,"score":0.35040000081062317},{"id":"https://openalex.org/C50661577","wikidata":"https://www.wikidata.org/wiki/Q901831","display_name":"Time-division multiplexing","level":3,"score":0.3027999997138977},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.3019999861717224},{"id":"https://openalex.org/C18131444","wikidata":"https://www.wikidata.org/wiki/Q163585","display_name":"Memory protection","level":5,"score":0.29600000381469727},{"id":"https://openalex.org/C176649486","wikidata":"https://www.wikidata.org/wiki/Q2308807","display_name":"Memory management","level":3,"score":0.2574000060558319},{"id":"https://openalex.org/C118021083","wikidata":"https://www.wikidata.org/wiki/Q610398","display_name":"System on a chip","level":2,"score":0.2460000067949295}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2026.3682996","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3682996","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:eb7a10135f564281b45dde7ff8e43efd","is_oa":true,"landing_page_url":"https://doaj.org/article/eb7a10135f564281b45dde7ff8e43efd","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 14, Pp 57002-57013 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2026.3682996","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3682996","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.7643159627914429,"display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Heterogeneous":[0],"memory":[1,7,32,42,207],"systems":[2,39],"that":[3,134,158],"combine":[4],"fast":[5],"local":[6],"(e.g.,":[8,14],"DRAM)":[9],"with":[10,216],"slower,":[11],"capacity-oriented":[12],"tiers":[13,58],"CXL-attached":[15],"memory)":[16],"are":[17,126],"becoming":[18],"increasingly":[19],"prevalent":[20],"in":[21,52,235],"modern":[22],"data":[23],"centers":[24],"as":[25,48,160,221],"a":[26,93,120,131,168],"cost-efficient":[27],"way":[28],"to":[29,71,74,103,238],"expand":[30],"server":[31],"capacity.":[33],"Realizing":[34],"the":[35,89,97,100,104,110,113,140,146,172,185,190,232,242],"benefits":[36],"of":[37,87,116,154,187],"such":[38,47,220],"requires":[40],"effective":[41],"tiering.":[43],"Existing":[44],"tiering":[45,218],"mechanisms,":[46],"AutoNUMA":[49],"and":[50,107,142,165,183,200,212,223],"TPP":[51,222],"Linux,":[53],"optimize":[54],"page":[55,81,194,244],"placement":[56,245],"across":[57],"but":[59],"often":[60],"incur":[61],"high":[62],"runtime":[63],"overhead,":[64],"rely":[65],"on":[66,226],"coarse-grained":[67],"policies,":[68],"or":[69],"fail":[70],"adapt":[72],"efficiently":[73],"diverse":[75],"access":[76],"patterns.":[77],"In":[78],"particular,":[79],"each":[80],"migration":[82,136,147,203,236],"executes":[83],"an":[84],"expensive":[85],"sequence":[86,118],"operations\u2014unmapping":[88],"source":[90],"page,":[91,95],"allocating":[92],"destination":[94],"copying":[96],"data,":[98],"remapping":[99],"virtual":[101],"address":[102],"new":[105],"location,":[106],"finally":[108],"freeing":[109],"old":[111],"page\u2014and":[112],"cumulative":[114],"cost":[115,234],"this":[117],"becomes":[119],"major":[121],"bottleneck":[122],"when":[123],"many":[124],"pages":[125,157,178],"moved.":[127],"This":[128,196],"paper":[129],"presentsPoolTA,":[130],"kernel":[132],"mechanism":[133],"reduces":[135,184,197,231],"overhead":[137],"by":[138],"eliminating":[139],"allocate":[141],"free":[143],"cycle":[144],"from":[145,180,189],"critical":[148],"path.":[149],"PoolTA":[150,170,209,230],"maintains":[151],"per-node":[152],"pools":[153],"pre-allocated,":[155],"migration-ready":[156],"act":[159],"dedicated":[161],"buffers":[162],"for":[163],"promotion":[164],"demotion.":[166],"During":[167],"migration,":[169],"bypasses":[171],"kernel's":[173],"standard":[174],"allocation":[175,233],"path,":[176],"provides":[177],"directly":[179],"its":[181],"pools,":[182],"number":[186],"allocations":[188],"Buddy":[191],"allocator":[192,198],"during":[193],"migrations.":[195],"contention":[199],"ensures":[201],"predictable":[202],"latency,":[204],"even":[205],"under":[206],"pressure.":[208],"is":[210],"general":[211],"minimally":[213],"invasive,":[214],"integrating":[215],"multiple":[217],"frameworks":[219],"NOMAD.":[224],"Evaluated":[225],"representative,":[227],"memory-intensive":[228],"workloads,":[229],"up":[237],"34%":[239],"without":[240],"altering":[241],"system's":[243],"logic.":[246]},"counts_by_year":[],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2026-04-14T00:00:00"}
