{"id":"https://openalex.org/W7130345038","doi":"https://doi.org/10.48550/arxiv.2602.15356","title":"Co-Design and Evaluation of a CPU-Free MPI GPU Communication Abstraction and Implementation","display_name":"Co-Design and Evaluation of a CPU-Free MPI GPU Communication Abstraction and Implementation","publication_year":2026,"publication_date":"2026-02-17","ids":{"openalex":"https://openalex.org/W7130345038","doi":"https://doi.org/10.48550/arxiv.2602.15356"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2602.15356","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2602.15356","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2602.15356","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052769561","display_name":"Patrick G. Bridges","orcid":"https://orcid.org/0000-0003-4801-0390"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Bridges, Patrick G.","raw_affiliation_strings":["University of New Mexico"],"affiliations":[{"raw_affiliation_string":"University of New Mexico","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069427890","display_name":"Derek Schafer","orcid":"https://orcid.org/0000-0001-8438-5144"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Schafer, Derek","raw_affiliation_strings":["University of New Mexico"],"affiliations":[{"raw_affiliation_string":"University of New Mexico","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110501522","display_name":"Jack Lange","orcid":null},"institutions":[{"id":"https://openalex.org/I1289243028","display_name":"Oak Ridge National Laboratory","ror":"https://ror.org/01qz5mb56","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289243028","https://openalex.org/I1330989302","https://openalex.org/I39565521","https://openalex.org/I4210159294"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lange, Jack","raw_affiliation_strings":["Oak Ridge National Laboratory"],"affiliations":[{"raw_affiliation_string":"Oak Ridge National Laboratory","institution_ids":["https://openalex.org/I1289243028"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107984710","display_name":"James B. White","orcid":"https://orcid.org/0009-0005-2186-075X"},"institutions":[{"id":"https://openalex.org/I1289243028","display_name":"Oak Ridge National Laboratory","ror":"https://ror.org/01qz5mb56","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289243028","https://openalex.org/I1330989302","https://openalex.org/I39565521","https://openalex.org/I4210159294"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"White, James B.","raw_affiliation_strings":["Oak Ridge National Laboratory"],"affiliations":[{"raw_affiliation_string":"Oak Ridge National Laboratory","institution_ids":["https://openalex.org/I1289243028"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026440046","display_name":"Anthony Skjellum","orcid":"https://orcid.org/0000-0001-5252-6600"},"institutions":[{"id":"https://openalex.org/I63920570","display_name":"Tennessee Technological University","ror":"https://ror.org/05drmrq39","country_code":"US","type":"education","lineage":["https://openalex.org/I63920570"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Skjellum, Anthony","raw_affiliation_strings":["Tennessee Technological University"],"affiliations":[{"raw_affiliation_string":"Tennessee Technological University","institution_ids":["https://openalex.org/I63920570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057082650","display_name":"Evan D. Suggs","orcid":"https://orcid.org/0000-0002-8210-8992"},"institutions":[{"id":"https://openalex.org/I63920570","display_name":"Tennessee Technological University","ror":"https://ror.org/05drmrq39","country_code":"US","type":"education","lineage":["https://openalex.org/I63920570"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Suggs, Evan","raw_affiliation_strings":["Tennessee Technological University"],"affiliations":[{"raw_affiliation_string":"Tennessee Technological University","institution_ids":["https://openalex.org/I63920570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126359754","display_name":"Thomas Hines","orcid":null},"institutions":[{"id":"https://openalex.org/I63920570","display_name":"Tennessee Technological University","ror":"https://ror.org/05drmrq39","country_code":"US","type":"education","lineage":["https://openalex.org/I63920570"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hines, Thomas","raw_affiliation_strings":["Tennessee Technological University"],"affiliations":[{"raw_affiliation_string":"Tennessee Technological University","institution_ids":["https://openalex.org/I63920570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084732782","display_name":"Purushotham Bangalore","orcid":"https://orcid.org/0000-0002-1098-9997"},"institutions":[{"id":"https://openalex.org/I17301866","display_name":"University of Alabama","ror":"https://ror.org/03xrrjk67","country_code":"US","type":"education","lineage":["https://openalex.org/I17301866"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bangalore, Purushotham","raw_affiliation_strings":["University of Alabama"],"affiliations":[{"raw_affiliation_string":"University of Alabama","institution_ids":["https://openalex.org/I17301866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123909973","display_name":"Matthew G. F. Dosanjh","orcid":null},"institutions":[{"id":"https://openalex.org/I4210104735","display_name":"Sandia National Laboratories","ror":"https://ror.org/01apwpt12","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I198811213","https://openalex.org/I4210104735"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dosanjh, Matthew G. F.","raw_affiliation_strings":["Sandia National Laboratories"],"affiliations":[{"raw_affiliation_string":"Sandia National Laboratories","institution_ids":["https://openalex.org/I4210104735"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016007722","display_name":"Whit Schonbein","orcid":"https://orcid.org/0000-0003-4955-2984"},"institutions":[{"id":"https://openalex.org/I4210104735","display_name":"Sandia National Laboratories","ror":"https://ror.org/01apwpt12","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I198811213","https://openalex.org/I4210104735"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Schonbein, Whit","raw_affiliation_strings":["Sandia National Laboratories"],"affiliations":[{"raw_affiliation_string":"Sandia National Laboratories","institution_ids":["https://openalex.org/I4210104735"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5052769561"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.8823000192642212,"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":0.8823000192642212,"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":0.025499999523162842,"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/T12326","display_name":"Network Packet Processing and Optimization","score":0.015399999916553497,"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/software-portability","display_name":"Software portability","score":0.7942000031471252},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.5888000130653381},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.5565999746322632},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.47749999165534973},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.4465999901294708},{"id":"https://openalex.org/keywords/abstraction","display_name":"Abstraction","score":0.4129999876022339},{"id":"https://openalex.org/keywords/serialization","display_name":"Serialization","score":0.39419999718666077},{"id":"https://openalex.org/keywords/remote-procedure-call","display_name":"Remote procedure call","score":0.3840000033378601},{"id":"https://openalex.org/keywords/remote-direct-memory-access","display_name":"Remote direct memory access","score":0.3750999867916107},{"id":"https://openalex.org/keywords/infiniband","display_name":"InfiniBand","score":0.37439998984336853}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8942999839782715},{"id":"https://openalex.org/C63000827","wikidata":"https://www.wikidata.org/wiki/Q3080428","display_name":"Software portability","level":2,"score":0.7942000031471252},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.625},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.5888000130653381},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5565999746322632},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.47749999165534973},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.4465999901294708},{"id":"https://openalex.org/C124304363","wikidata":"https://www.wikidata.org/wiki/Q673661","display_name":"Abstraction","level":2,"score":0.4129999876022339},{"id":"https://openalex.org/C52723943","wikidata":"https://www.wikidata.org/wiki/Q1127410","display_name":"Serialization","level":2,"score":0.39419999718666077},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.39399999380111694},{"id":"https://openalex.org/C172086080","wikidata":"https://www.wikidata.org/wiki/Q62270","display_name":"Remote procedure call","level":2,"score":0.3840000033378601},{"id":"https://openalex.org/C130795937","wikidata":"https://www.wikidata.org/wiki/Q2561570","display_name":"Remote direct memory access","level":2,"score":0.3750999867916107},{"id":"https://openalex.org/C2781030343","wikidata":"https://www.wikidata.org/wiki/Q922437","display_name":"InfiniBand","level":2,"score":0.37439998984336853},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.3702999949455261},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.3319000005722046},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.3246999979019165},{"id":"https://openalex.org/C12269588","wikidata":"https://www.wikidata.org/wiki/Q132364","display_name":"Communications protocol","level":2,"score":0.3221000134944916},{"id":"https://openalex.org/C50630238","wikidata":"https://www.wikidata.org/wiki/Q971505","display_name":"General-purpose computing on graphics processing units","level":3,"score":0.3212999999523163},{"id":"https://openalex.org/C86111242","wikidata":"https://www.wikidata.org/wiki/Q859595","display_name":"Coprocessor","level":2,"score":0.32010000944137573},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3172000050544739},{"id":"https://openalex.org/C2778915421","wikidata":"https://www.wikidata.org/wiki/Q3643177","display_name":"Performance improvement","level":2,"score":0.31290000677108765},{"id":"https://openalex.org/C2778119891","wikidata":"https://www.wikidata.org/wiki/Q477690","display_name":"CUDA","level":2,"score":0.3041999936103821},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.3012999892234802},{"id":"https://openalex.org/C34165917","wikidata":"https://www.wikidata.org/wiki/Q188267","display_name":"Programming paradigm","level":2,"score":0.29829999804496765},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.29829999804496765},{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.2955999970436096},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.2939999997615814},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.28600001335144043},{"id":"https://openalex.org/C147358964","wikidata":"https://www.wikidata.org/wiki/Q1200992","display_name":"Abstraction layer","level":3,"score":0.2833000123500824},{"id":"https://openalex.org/C172430144","wikidata":"https://www.wikidata.org/wiki/Q17111997","display_name":"Symmetric multiprocessor system","level":2,"score":0.2667999863624573},{"id":"https://openalex.org/C78766204","wikidata":"https://www.wikidata.org/wiki/Q555032","display_name":"Multi-core processor","level":2,"score":0.2660999894142151},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.26600000262260437},{"id":"https://openalex.org/C115874739","wikidata":"https://www.wikidata.org/wiki/Q825377","display_name":"Critical path method","level":2,"score":0.2635999917984009},{"id":"https://openalex.org/C49154492","wikidata":"https://www.wikidata.org/wiki/Q5300","display_name":"Central processing unit","level":2,"score":0.26109999418258667},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.25459998846054077}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2602.15356","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2602.15356","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2602.15356","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2602.15356","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Removing":[0],"the":[1,4,28,48,82,87,92,103,117,156],"CPU":[2,29],"from":[3,123],"communication":[5,21,31,57,100],"fast":[6],"path":[7],"is":[8],"essential":[9],"to":[10,25,128,152],"efficient":[11],"GPU-based":[12],"ML":[13],"and":[14,51,72,84,108,119,141],"HPC":[15],"application":[16],"performance.":[17],"However,":[18],"existing":[19],"GPU":[20,56,138],"APIs":[22,35],"either":[23],"continue":[24],"rely":[26,33],"on":[27,34,41,67,116],"for":[30],"or":[32],"that":[36],"place":[37],"significant":[38],"synchronization":[39],"burdens":[40],"programmers.":[42],"In":[43],"this":[44,124],"paper":[45],"we":[46],"describe":[47],"design,":[49],"implementation,":[50],"evaluation":[52,125],"of":[53,86,155],"an":[54],"MPI-based":[55],"API":[58,65,88,93],"enabling":[59],"easy-to-use,":[60],"high-performance,":[61],"CPU-free":[62,96],"communication.":[63],"This":[64],"builds":[66],"previously":[68],"proposed":[69],"MPI":[70],"extensions":[71],"leverages":[73],"HPE":[74],"Slingshot":[75],"11":[76],"network":[77],"card":[78],"capabilities.":[79],"We":[80],"demonstrate":[81],"utility":[83],"performance":[85,105,111],"by":[89],"showing":[90],"how":[91],"naturally":[94],"enables":[95],"gather/scatter":[97],"halo":[98],"exchange":[99],"primitives":[101],"in":[102,132,136],"Cabana/Kokkos":[104],"portability":[106],"framework,":[107],"through":[109],"a":[110,129,142,149],"comparison":[112],"with":[113],"Cray":[114],"MPICH":[115],"Frontier":[118,157],"Tuolumne":[120],"supercomputers.":[121],"Results":[122],"show":[126],"up":[127],"50%":[130],"reduction":[131],"medium":[133],"message":[134],"latency":[135],"simple":[137],"ping-pong":[139],"exchanges":[140],"28%":[143],"speedup":[144],"improvement":[145],"when":[146],"strong":[147],"scaling":[148],"halo-exchange":[150],"benchmark":[151],"8,192":[153],"GPUs":[154],"supercomputer.":[158]},"counts_by_year":[],"updated_date":"2026-02-19T06:31:58.851227","created_date":"2026-02-19T00:00:00"}
