{"id":"https://openalex.org/W4400224482","doi":"https://doi.org/10.1145/3649153.3649210","title":"QR-PULP: Streamlining QR Decomposition for RISC-V Parallel Ultra-Low-Power Platforms","display_name":"QR-PULP: Streamlining QR Decomposition for RISC-V Parallel Ultra-Low-Power Platforms","publication_year":2024,"publication_date":"2024-05-07","ids":{"openalex":"https://openalex.org/W4400224482","doi":"https://doi.org/10.1145/3649153.3649210"},"language":"en","primary_location":{"id":"doi:10.1145/3649153.3649210","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3649153.3649210","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st ACM International Conference on Computing Frontiers","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/A5099870928","display_name":"Amirhossein Kiamarzi","orcid":"https://orcid.org/0009-0008-7092-6227"},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Amirhossein Kiamarzi","raw_affiliation_strings":["Universit\u00e0 di Bologna, Bologna, Italy"],"raw_orcid":"https://orcid.org/0009-0008-7092-6227","affiliations":[{"raw_affiliation_string":"Universit\u00e0 di Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084514581","display_name":"Davide Rossi Sebastiano","orcid":"https://orcid.org/0000-0003-3698-8615"},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Davide Rossi","raw_affiliation_strings":["Universit\u00e0 di Bologna, Bologna, Italy"],"raw_orcid":"https://orcid.org/0000-0003-3698-8615","affiliations":[{"raw_affiliation_string":"Universit\u00e0 di Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004842257","display_name":"Giuseppe Tagliavini","orcid":"https://orcid.org/0000-0002-9221-4633"},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giuseppe Tagliavini","raw_affiliation_strings":["Universit\u00e0 di Bologna, Bologna, Italy"],"raw_orcid":"https://orcid.org/0000-0002-9221-4633","affiliations":[{"raw_affiliation_string":"Universit\u00e0 di Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I9360294"],"apc_list":null,"apc_paid":null,"fwci":1.2251,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.80046866,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"147","last_page":"154"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10829","display_name":"Interconnection Networks and Systems","score":0.9986000061035156,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9986000061035156,"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/T11005","display_name":"Radiation Effects in Electronics","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9965999722480774,"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/computer-science","display_name":"Computer science","score":0.5880687832832336},{"id":"https://openalex.org/keywords/qr-decomposition","display_name":"QR decomposition","score":0.5649052262306213},{"id":"https://openalex.org/keywords/decomposition","display_name":"Decomposition","score":0.5281231999397278},{"id":"https://openalex.org/keywords/reduced-instruction-set-computing","display_name":"Reduced instruction set computing","score":0.4760705828666687},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4574425220489502},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.3842695355415344},{"id":"https://openalex.org/keywords/computer-architecture","display_name":"Computer architecture","score":0.33623355627059937},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.09755954146385193},{"id":"https://openalex.org/keywords/instruction-set","display_name":"Instruction set","score":0.08754867315292358}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5880687832832336},{"id":"https://openalex.org/C188060507","wikidata":"https://www.wikidata.org/wiki/Q653242","display_name":"QR decomposition","level":3,"score":0.5649052262306213},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.5281231999397278},{"id":"https://openalex.org/C126298526","wikidata":"https://www.wikidata.org/wiki/Q189376","display_name":"Reduced instruction set computing","level":3,"score":0.4760705828666687},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4574425220489502},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3842695355415344},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.33623355627059937},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.09755954146385193},{"id":"https://openalex.org/C202491316","wikidata":"https://www.wikidata.org/wiki/Q272683","display_name":"Instruction set","level":2,"score":0.08754867315292358},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3649153.3649210","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3649153.3649210","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st ACM International Conference on Computing Frontiers","raw_type":"proceedings-article"},{"id":"pmh:oai:cris.unibo.it:11585/1009197","is_oa":false,"landing_page_url":"https://hdl.handle.net/11585/1009197","pdf_url":null,"source":{"id":"https://openalex.org/S4306402579","display_name":"Archivio istituzionale della ricerca (Alma Mater Studiorum Universit\u00e0 di Bologna)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210117483","host_organization_name":"Istituto di Ematologia di Bologna","host_organization_lineage":["https://openalex.org/I4210117483"],"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":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1587654378","https://openalex.org/W1962219632","https://openalex.org/W1986431723","https://openalex.org/W2107911628","https://openalex.org/W2124480634","https://openalex.org/W2530711515","https://openalex.org/W2560977807","https://openalex.org/W2789139117","https://openalex.org/W2891757457","https://openalex.org/W2963255460","https://openalex.org/W2963450965","https://openalex.org/W2982181895","https://openalex.org/W2991960849","https://openalex.org/W2995553094","https://openalex.org/W3203242999","https://openalex.org/W4221126840","https://openalex.org/W4229666556","https://openalex.org/W4230662976","https://openalex.org/W4293194164","https://openalex.org/W4378528403","https://openalex.org/W4379115988"],"related_works":["https://openalex.org/W1485846902","https://openalex.org/W3037218165","https://openalex.org/W1980464854","https://openalex.org/W2982181895","https://openalex.org/W2739115385","https://openalex.org/W2035206467","https://openalex.org/W2512308948","https://openalex.org/W2068921804","https://openalex.org/W4387696986","https://openalex.org/W1982581634"],"abstract_inverted_index":{"QR":[0,86],"decomposition":[1,87],"is":[2],"a":[3,98,113],"numerical":[4],"method":[5],"used":[6],"in":[7,115,189],"many":[8,32],"applications":[9,23],"from":[10],"the":[11,40,68,71,77,102,108,116,135,179,190],"High-Performance":[12],"Computing":[13],"(HPC)":[14],"domain":[15],"to":[16,30,112,134,154],"embedded":[17],"systems.":[18],"This":[19],"broad":[20,182],"spectrum":[21],"of":[22,42,70,83,101,119,141,184],"has":[24],"drawn":[25],"academic":[26],"and":[27,35,80,93,129,149,166,170,173],"commercial":[28,99],"attention":[29],"developing":[31],"software":[33],"libraries":[34],"domain-specific":[36],"hardware":[37],"solutions.":[38],"In":[39],"Internet":[41],"Things":[43],"(IoT)":[44],"domain,":[45],"multicore":[46],"Parallel":[47,105],"Ultra-Low-Power":[48],"(PULP)":[49],"architectures":[50,157],"are":[51],"emerging":[52],"as":[53],"energy-efficient":[54],"alternatives,":[55],"outperforming":[56],"conventional":[57],"single-core":[58,156],"devices":[59],"by":[60,121],"coupling":[61],"parallel":[62],"processing":[63],"with":[64],"near-threshold":[65],"computing.":[66],"To":[67],"best":[69],"authors'":[72],"knowledge,":[73],"our":[74],"study":[75],"introduces":[76],"first":[78],"parallelized":[79],"optimized":[81],"implementation":[82],"three":[84],"distinct":[85],"methods":[88],"(Givens":[89],"rotations,":[90,125],"Gram-Schmidt":[91],"process,":[92],"Householder":[94],"transformation)":[95],"on":[96,107,159],"GAP-9,":[97],"embodiment":[100],"PULP":[103],"architecture.":[104],"execution":[106],"8-core":[109],"cluster":[110],"leads":[111],"reduction":[114],"total":[117],"number":[118],"cycles":[120],"241%":[122],"for":[123,127,131,181],"Givens":[124],"470%":[126],"Gram-Schmidt,":[128],"567%":[130],"Householder,":[132],"compared":[133],"GAP9":[136],"1-core":[137],"scenario.":[138],"while":[139],"each":[140],"them":[142],"only":[143],"consumes":[144],"0.013":[145],"mJ,":[146,148,151],"0.012":[147],"0.216":[150],"respectively.":[152],"Compared":[153],"traditional":[155],"based":[158],"ARM":[160],"architectures,":[161],"we":[162],"achieve":[163],"8\u00d7,":[164],"24\u00d7,":[165],"30\u00d7":[167,174],"better":[168,175],"performance":[169],"36\u00d7,":[171],"35\u00d7,":[172],"energy":[176],"efficiency,":[177],"paving":[178],"way":[180],"adoption":[183],"complex":[185],"linear":[186],"algebra":[187],"tasks":[188],"IoT":[191],"domain.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
