{"id":"https://openalex.org/W4387886087","doi":"https://doi.org/10.1109/tcsi.2023.3323425","title":"HAMSA-DI: A Low-Power Dual-Issue RISC-V Core Targeting Energy-Efficient Embedded Systems","display_name":"HAMSA-DI: A Low-Power Dual-Issue RISC-V Core Targeting Energy-Efficient Embedded Systems","publication_year":2023,"publication_date":"2023-10-23","ids":{"openalex":"https://openalex.org/W4387886087","doi":"https://doi.org/10.1109/tcsi.2023.3323425"},"language":"en","primary_location":{"id":"doi:10.1109/tcsi.2023.3323425","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2023.3323425","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Circuits and Systems I: Regular Papers","raw_type":"journal-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/A5053686269","display_name":"Yehuda Kra","orcid":"https://orcid.org/0009-0002-3377-6529"},"institutions":[{"id":"https://openalex.org/I13955877","display_name":"Bar-Ilan University","ror":"https://ror.org/03kgsv495","country_code":"IL","type":"education","lineage":["https://openalex.org/I13955877"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Yehuda Kra","raw_affiliation_strings":["Emerging Nanoscaled Integrated Circuits and Systems (EnICS) Laboratories, Faculty of Engineering, Bar-Ilan University, Ramat Gan, Israel"],"raw_orcid":"https://orcid.org/0009-0002-3377-6529","affiliations":[{"raw_affiliation_string":"Emerging Nanoscaled Integrated Circuits and Systems (EnICS) Laboratories, Faculty of Engineering, Bar-Ilan University, Ramat Gan, Israel","institution_ids":["https://openalex.org/I13955877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074428642","display_name":"Yonatan Shoshan","orcid":"https://orcid.org/0009-0007-7124-6437"},"institutions":[{"id":"https://openalex.org/I13955877","display_name":"Bar-Ilan University","ror":"https://ror.org/03kgsv495","country_code":"IL","type":"education","lineage":["https://openalex.org/I13955877"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Yonatan Shoshan","raw_affiliation_strings":["Emerging Nanoscaled Integrated Circuits and Systems (EnICS) Laboratories, Faculty of Engineering, Bar-Ilan University, Ramat Gan, Israel"],"raw_orcid":"https://orcid.org/0009-0007-7124-6437","affiliations":[{"raw_affiliation_string":"Emerging Nanoscaled Integrated Circuits and Systems (EnICS) Laboratories, Faculty of Engineering, Bar-Ilan University, Ramat Gan, Israel","institution_ids":["https://openalex.org/I13955877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073189125","display_name":"Yehuda Rudin","orcid":"https://orcid.org/0000-0002-8745-2688"},"institutions":[{"id":"https://openalex.org/I13955877","display_name":"Bar-Ilan University","ror":"https://ror.org/03kgsv495","country_code":"IL","type":"education","lineage":["https://openalex.org/I13955877"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Yehuda Rudin","raw_affiliation_strings":["Emerging Nanoscaled Integrated Circuits and Systems (EnICS) Laboratories, Faculty of Engineering, Bar-Ilan University, Ramat Gan, Israel"],"raw_orcid":"https://orcid.org/0000-0002-8745-2688","affiliations":[{"raw_affiliation_string":"Emerging Nanoscaled Integrated Circuits and Systems (EnICS) Laboratories, Faculty of Engineering, Bar-Ilan University, Ramat Gan, Israel","institution_ids":["https://openalex.org/I13955877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026444183","display_name":"Adam Teman","orcid":"https://orcid.org/0000-0002-8233-4711"},"institutions":[{"id":"https://openalex.org/I13955877","display_name":"Bar-Ilan University","ror":"https://ror.org/03kgsv495","country_code":"IL","type":"education","lineage":["https://openalex.org/I13955877"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Adam Teman","raw_affiliation_strings":["Emerging Nanoscaled Integrated Circuits and Systems (EnICS) Laboratories, Faculty of Engineering, Bar-Ilan University, Ramat Gan, Israel"],"raw_orcid":"https://orcid.org/0000-0002-8233-4711","affiliations":[{"raw_affiliation_string":"Emerging Nanoscaled Integrated Circuits and Systems (EnICS) Laboratories, Faculty of Engineering, Bar-Ilan University, Ramat Gan, Israel","institution_ids":["https://openalex.org/I13955877"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5053686269"],"corresponding_institution_ids":["https://openalex.org/I13955877"],"apc_list":null,"apc_paid":null,"fwci":6.0755,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.97169381,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"71","issue":"1","first_page":"223","last_page":"236"},"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/T10363","display_name":"Low-power high-performance VLSI design","score":0.9995999932289124,"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/T10472","display_name":"Semiconductor materials and devices","score":0.9980999827384949,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5522668957710266},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.5286320447921753},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.4276151955127716},{"id":"https://openalex.org/keywords/reduced-instruction-set-computing","display_name":"Reduced instruction set computing","score":0.42660361528396606},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.41670554876327515},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.28550171852111816},{"id":"https://openalex.org/keywords/instruction-set","display_name":"Instruction set","score":0.23048967123031616},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.22579967975616455},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1898708939552307}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5522668957710266},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.5286320447921753},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.4276151955127716},{"id":"https://openalex.org/C126298526","wikidata":"https://www.wikidata.org/wiki/Q189376","display_name":"Reduced instruction set computing","level":3,"score":0.42660361528396606},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.41670554876327515},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.28550171852111816},{"id":"https://openalex.org/C202491316","wikidata":"https://www.wikidata.org/wiki/Q272683","display_name":"Instruction set","level":2,"score":0.23048967123031616},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.22579967975616455},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1898708939552307},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsi.2023.3323425","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2023.3323425","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Circuits and Systems I: Regular Papers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8999999761581421,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4704393691","display_name":"Israel Innovation Authority","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2078726412","https://openalex.org/W2121788702","https://openalex.org/W2294097286","https://openalex.org/W2770020066","https://openalex.org/W2803766830","https://openalex.org/W2936567838","https://openalex.org/W2963255460","https://openalex.org/W3002612001","https://openalex.org/W3135792754","https://openalex.org/W3156145546","https://openalex.org/W3183597673","https://openalex.org/W4312833784","https://openalex.org/W4360606495","https://openalex.org/W4387319216","https://openalex.org/W6791371450"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2350741829","https://openalex.org/W2530322880","https://openalex.org/W1596801655","https://openalex.org/W2359140296"],"abstract_inverted_index":{"The":[0,52,103],"RISC-V":[1,37],"architecture":[2],"has":[3],"recently":[4],"emerged":[5],"as":[6,92,94,108,134,136,156,158,168],"a":[7,20,32,40,58,74,111,174],"popular":[8,49],"open":[9],"source":[10],"option":[11],"for":[12,145],"the":[13,48,99,127],"design":[14,105],"of":[15,23,77,85,110],"general":[16],"purpose":[17],"cores":[18,68],"with":[19,88,118,148,152],"wide":[21],"spectrum":[22],"operating":[24,147],"specifications.":[25],"In":[26],"this":[27],"paper,":[28],"we":[29],"present":[30],"HAMSA-DI,":[31],"small":[33],"footprint,":[34],"energy-efficient,":[35],"embedded":[36],"core,":[38],"featuring":[39],"dynamically":[41],"scheduled,":[42],"in-order,":[43],"dual-issue":[44,55,150],"processing":[45],"pipeline,":[46],"supporting":[47],"Xpulp":[50],"extensions.":[51],"proposed":[53,104,128],"cost-effective":[54],"implementation":[56],"provides":[57],"significant":[59],"performance":[60,132],"boost":[61],"and":[62,81],"improved":[63],"energy-efficiency":[64,153],"over":[65],"baseline":[66,100],"low-power":[67],"under":[69],"common":[70],"benchmarks.":[71],"These":[72],"include":[73],"CoreMark":[75],"score":[76,84],"3.48":[78],"CM/MHz":[79],"(+22%)":[80],"an":[82,119],"Embench":[83],"1.3":[86],"(+13%)":[87],"certain":[89],"benchmarks":[90],"displaying":[91],"much":[93,135,157],"22%":[95],"less":[96],"energy":[97],"than":[98],"CV32E40P":[101],"core.":[102,176],"was":[106],"fabricated":[107],"part":[109],"16nm":[112],"test":[113],"chip,":[114],"running":[115],"at":[116],"1GHz":[117],"0.8V":[120],"supply":[121],"voltage.":[122],"Silicon":[123],"measurements":[124],"demonstrate":[125],"that":[126],"core":[129],"can":[130],"improve":[131],"by":[133,155],"8":[137],"<inline-formula":[138,160],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[139,161],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[140,162],"<tex-math":[141,163],"notation=\"LaTeX\">$\\times":[142,164],"$":[143,165],"</tex-math></inline-formula>":[144,166],"programs":[146],"full":[149],"utilization":[151],"improving":[154],"6.5":[159],",":[167],"compared":[169],"to":[170],"compiled":[171],"code":[172],"on":[173],"single-issue":[175]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":1}],"updated_date":"2026-06-06T09:05:17.133730","created_date":"2025-10-10T00:00:00"}