{"id":"https://openalex.org/W2051058966","doi":"https://doi.org/10.1109/fpt.2011.6132724","title":"Sharing FPUs in many-soft-cores","display_name":"Sharing FPUs in many-soft-cores","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2051058966","doi":"https://doi.org/10.1109/fpt.2011.6132724","mag":"2051058966"},"language":"en","primary_location":{"id":"doi:10.1109/fpt.2011.6132724","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fpt.2011.6132724","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Conference on Field-Programmable Technology","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/A5039409058","display_name":"David Castells\u2010Rufas","orcid":"https://orcid.org/0000-0002-7181-9705"},"institutions":[{"id":"https://openalex.org/I123044942","display_name":"Universitat Aut\u00f2noma de Barcelona","ror":"https://ror.org/052g8jq94","country_code":"ES","type":"education","lineage":["https://openalex.org/I123044942"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"David Castells-Rufas","raw_affiliation_strings":["CAIAC, Universitat Aut\u00f2noma Barcelona, Bellaterra, Spain","CAIAC, Universitat Aut\u00f2noma de Barcelona, Bellaterrra, Spain"],"affiliations":[{"raw_affiliation_string":"CAIAC, Universitat Aut\u00f2noma Barcelona, Bellaterra, Spain","institution_ids":["https://openalex.org/I123044942"]},{"raw_affiliation_string":"CAIAC, Universitat Aut\u00f2noma de Barcelona, Bellaterrra, Spain","institution_ids":["https://openalex.org/I123044942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080943737","display_name":"Eduard Fernandez-Alonso","orcid":"https://orcid.org/0000-0002-0307-6030"},"institutions":[{"id":"https://openalex.org/I123044942","display_name":"Universitat Aut\u00f2noma de Barcelona","ror":"https://ror.org/052g8jq94","country_code":"ES","type":"education","lineage":["https://openalex.org/I123044942"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Eduard Fernandez-Alonso","raw_affiliation_strings":["CAIAC, Universitat Aut\u00f2noma Barcelona, Bellaterra, Spain","CAIAC, Universitat Aut\u00f2noma de Barcelona, Bellaterrra, Spain"],"affiliations":[{"raw_affiliation_string":"CAIAC, Universitat Aut\u00f2noma Barcelona, Bellaterra, Spain","institution_ids":["https://openalex.org/I123044942"]},{"raw_affiliation_string":"CAIAC, Universitat Aut\u00f2noma de Barcelona, Bellaterrra, Spain","institution_ids":["https://openalex.org/I123044942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055631615","display_name":"Jordi Carrabina","orcid":"https://orcid.org/0000-0002-9540-8759"},"institutions":[{"id":"https://openalex.org/I123044942","display_name":"Universitat Aut\u00f2noma de Barcelona","ror":"https://ror.org/052g8jq94","country_code":"ES","type":"education","lineage":["https://openalex.org/I123044942"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jordi Carrabina","raw_affiliation_strings":["CAIAC, Universitat Aut\u00f2noma Barcelona, Bellaterra, Spain","CAIAC, Universitat Aut\u00f2noma de Barcelona, Bellaterrra, Spain"],"affiliations":[{"raw_affiliation_string":"CAIAC, Universitat Aut\u00f2noma Barcelona, Bellaterra, Spain","institution_ids":["https://openalex.org/I123044942"]},{"raw_affiliation_string":"CAIAC, Universitat Aut\u00f2noma de Barcelona, Bellaterrra, Spain","institution_ids":["https://openalex.org/I123044942"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036404046","display_name":"Jaume Joven","orcid":null},"institutions":[{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"funder","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH","FR"],"is_corresponding":false,"raw_author_name":"Jaume Joven","raw_affiliation_strings":["LSI, \u00c9cole Polythecnique F\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland","LSI, \u00c9cole Polythecnique, F\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland"],"affiliations":[{"raw_affiliation_string":"LSI, \u00c9cole Polythecnique F\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]},{"raw_affiliation_string":"LSI, \u00c9cole Polythecnique, F\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I29607241"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5039409058"],"corresponding_institution_ids":["https://openalex.org/I123044942"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10661449,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"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":0.9993000030517578,"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":0.9993000030517578,"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":0.9983000159263611,"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/T11697","display_name":"Numerical Methods and Algorithms","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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":0.7962455749511719},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6784272193908691},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.6067044138908386},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5753294229507446},{"id":"https://openalex.org/keywords/field-programmable-gate-array","display_name":"Field-programmable gate array","score":0.5068345665931702},{"id":"https://openalex.org/keywords/floating-point","display_name":"Floating point","score":0.5023419857025146},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.45758524537086487},{"id":"https://openalex.org/keywords/multi-core-processor","display_name":"Multi-core processor","score":0.4409734904766083},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.4276614189147949},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.24451801180839539}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7962455749511719},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6784272193908691},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.6067044138908386},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5753294229507446},{"id":"https://openalex.org/C42935608","wikidata":"https://www.wikidata.org/wiki/Q190411","display_name":"Field-programmable gate array","level":2,"score":0.5068345665931702},{"id":"https://openalex.org/C84211073","wikidata":"https://www.wikidata.org/wiki/Q117879","display_name":"Floating point","level":2,"score":0.5023419857025146},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.45758524537086487},{"id":"https://openalex.org/C78766204","wikidata":"https://www.wikidata.org/wiki/Q555032","display_name":"Multi-core processor","level":2,"score":0.4409734904766083},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.4276614189147949},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.24451801180839539},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/fpt.2011.6132724","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fpt.2011.6132724","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Conference on Field-Programmable Technology","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1670479411","https://openalex.org/W1895318900","https://openalex.org/W2098361120","https://openalex.org/W2136084694","https://openalex.org/W2159449877","https://openalex.org/W2197195440","https://openalex.org/W2239209171","https://openalex.org/W2979730858","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W1993191611","https://openalex.org/W2023938924","https://openalex.org/W2918840249","https://openalex.org/W1991859582","https://openalex.org/W2110053126","https://openalex.org/W2079303253","https://openalex.org/W2104702637","https://openalex.org/W4248099758","https://openalex.org/W2979015021","https://openalex.org/W3028347934"],"abstract_inverted_index":{"Modern":[0],"top":[1],"of":[2,10,41,49,86,126,136,165],"the":[3,26,30,34,60,71,87,98,124,127,134,166],"line":[4],"FPGAs":[5],"can":[6],"already":[7],"host":[8],"hundreds":[9],"simple":[11,107],"soft-core":[12],"processors.":[13],"Because":[14],"soft-cores":[15],"often":[16],"support":[17],"floating":[18,35],"point":[19,36],"units":[20,37],"through":[21],"external":[22],"interfaces":[23],"this":[24],"opens":[25],"door":[27],"to":[28,56,68,157],"explore":[29],"convenience":[31],"for":[32,91,106,115],"sharing":[33,59,142],"among":[38,143,159],"a":[39,50,84,92,116,147],"number":[40,135],"processors":[42,137,145,163],"in":[43,100],"many-soft-cores.":[44],"We":[45,77],"build":[46],"two":[47],"variants":[48],"many-soft-core":[51],"with":[52],"16":[53,93],"NIOSII":[54],"cores":[55],"test":[57,69],"if":[58,70,121],"FPU":[61,89],"gives":[62],"an":[63],"important":[64],"area":[65,81],"reduction":[66,125],"and":[67,96,112,151],"introduced":[72],"time":[73,168],"overhead":[74,99],"is":[75,103,146,154],"significant.":[76],"find":[78],"out":[79],"that":[80,97,131,141,152],"savings":[82],"are":[83],"30%":[85],"non-shared":[88],"version":[90],"core":[94],"system":[95],"clock":[101],"cycles":[102],"almost":[104],"inexistent":[105],"applications":[108],"like":[109],"matrix":[110],"multiplication":[111],"below":[113],"2%":[114],"parallel":[117],"Mandelbrot":[118],"application.":[119],"However,":[120],"we":[122,139],"consider":[123],"maximum":[128],"operational":[129],"frequency":[130],"happens":[132],"when":[133],"increase,":[138],"get":[140],"8":[144],"very":[148],"good":[149],"option,":[150],"it":[153],"not":[155],"advisable":[156],"share":[158],"more":[160],"than":[161],"12":[162],"because":[164],"excessive":[167],"overhead.":[169]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}