{"id":"https://openalex.org/W4386915582","doi":"https://doi.org/10.1145/3615318.3615325","title":"Synchronizing MPI Processes in Space and Time","display_name":"Synchronizing MPI Processes in Space and Time","publication_year":2023,"publication_date":"2023-09-11","ids":{"openalex":"https://openalex.org/W4386915582","doi":"https://doi.org/10.1145/3615318.3615325"},"language":"en","primary_location":{"id":"doi:10.1145/3615318.3615325","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3615318.3615325","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3615318.3615325","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th European MPI Users' Group Meeting","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3615318.3615325","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076945322","display_name":"Joseph Schuchart","orcid":"https://orcid.org/0000-0003-2041-7877"},"institutions":[{"id":"https://openalex.org/I75027704","display_name":"University of Tennessee at Knoxville","ror":"https://ror.org/020f3ap87","country_code":"US","type":"education","lineage":["https://openalex.org/I75027704"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Joseph Schuchart","raw_affiliation_strings":["University of Tennessee, Knoxville, USA"],"raw_orcid":"https://orcid.org/0000-0003-2041-7877","affiliations":[{"raw_affiliation_string":"University of Tennessee, Knoxville, USA","institution_ids":["https://openalex.org/I75027704"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020893403","display_name":"Sascha Hunold","orcid":"https://orcid.org/0000-0002-5280-3855"},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Sascha Hunold","raw_affiliation_strings":["Technische Universit\u00e4t Wien, Austria"],"raw_orcid":"https://orcid.org/0000-0002-5280-3855","affiliations":[{"raw_affiliation_string":"Technische Universit\u00e4t Wien, Austria","institution_ids":["https://openalex.org/I145847075"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010055736","display_name":"George Bosilca","orcid":"https://orcid.org/0000-0003-2411-8495"},"institutions":[{"id":"https://openalex.org/I75027704","display_name":"University of Tennessee at Knoxville","ror":"https://ror.org/020f3ap87","country_code":"US","type":"education","lineage":["https://openalex.org/I75027704"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"George Bosilca","raw_affiliation_strings":["University of Tennessee, Knoxville, USA"],"raw_orcid":"https://orcid.org/0000-0003-2411-8495","affiliations":[{"raw_affiliation_string":"University of Tennessee, Knoxville, USA","institution_ids":["https://openalex.org/I75027704"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6009,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.67020979,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9997000098228455,"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":0.9997000098228455,"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9993000030517578,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9990000128746033,"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/benchmark","display_name":"Benchmark (surveying)","score":0.9061282873153687},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8734030723571777},{"id":"https://openalex.org/keywords/timestamp","display_name":"Timestamp","score":0.7764313220977783},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.6727861762046814},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.6098561882972717},{"id":"https://openalex.org/keywords/synchronizing","display_name":"Synchronizing","score":0.6058527827262878},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.6002553701400757},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4568288326263428},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.44383227825164795},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.44177860021591187},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.18118566274642944},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.12847387790679932},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.07494616508483887},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.05679556727409363},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.051486819982528687}],"concepts":[{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.9061282873153687},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8734030723571777},{"id":"https://openalex.org/C113954288","wikidata":"https://www.wikidata.org/wiki/Q186885","display_name":"Timestamp","level":2,"score":0.7764313220977783},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.6727861762046814},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.6098561882972717},{"id":"https://openalex.org/C162932704","wikidata":"https://www.wikidata.org/wiki/Q1058791","display_name":"Synchronizing","level":3,"score":0.6058527827262878},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.6002553701400757},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4568288326263428},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.44383227825164795},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.44177860021591187},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.18118566274642944},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.12847387790679932},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.07494616508483887},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.05679556727409363},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.051486819982528687},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3615318.3615325","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3615318.3615325","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3615318.3615325","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th European MPI Users' Group Meeting","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3615318.3615325","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3615318.3615325","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3615318.3615325","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th European MPI Users' Group Meeting","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4386915582.pdf","grobid_xml":"https://content.openalex.org/works/W4386915582.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W1631513913","https://openalex.org/W1802974809","https://openalex.org/W1860827079","https://openalex.org/W1927847496","https://openalex.org/W1965355442","https://openalex.org/W1980202838","https://openalex.org/W2013475701","https://openalex.org/W2108631737","https://openalex.org/W2109349370","https://openalex.org/W2128520152","https://openalex.org/W2143300065","https://openalex.org/W2156850758","https://openalex.org/W2198690661","https://openalex.org/W2335421672","https://openalex.org/W2762279116","https://openalex.org/W2808274640","https://openalex.org/W2898627297","https://openalex.org/W2921203665","https://openalex.org/W2985709405","https://openalex.org/W3002241702","https://openalex.org/W3014015408","https://openalex.org/W3060868468","https://openalex.org/W3096262771","https://openalex.org/W3097072756","https://openalex.org/W3137220996","https://openalex.org/W4221068112","https://openalex.org/W4238128135","https://openalex.org/W4284964190","https://openalex.org/W4295786315"],"related_works":["https://openalex.org/W2116519977","https://openalex.org/W2315567295","https://openalex.org/W1981446230","https://openalex.org/W2365128652","https://openalex.org/W2356659732","https://openalex.org/W2995644389","https://openalex.org/W1581301957","https://openalex.org/W3202423486","https://openalex.org/W2356421920","https://openalex.org/W2107002852"],"abstract_inverted_index":{"Performance":[0],"benchmarks":[1],"are":[2],"an":[3,42,78,105],"integral":[4],"part":[5],"of":[6,11,27,41,63,86,99,115,132,161,199],"the":[7,28,39,49,61,72,116,130,136,159,184,193],"development":[8],"and":[9,48,54,128,174,202],"evaluation":[10],"parallel":[12,87],"algorithms,":[13,89],"both":[14],"in":[15,51,74,138],"distributed":[16,88],"applications":[17,53],"as":[18,20,94],"well":[19],"MPI":[21,57,64,91],"implementations":[22,198],"themselves.":[23],"The":[24,96],"initial":[25],"step":[26],"benchmark":[29,58,84,165,178,194],"process":[30],"is":[31,60,80],"to":[32,37,108,122,147],"obtain":[33],"a":[34,100,112,144,149],"common":[35,150],"timestamp":[36,103,152],"mark":[38],"start":[40,102],"operation":[43,106],"across":[44,153],"all":[45,154],"involved":[46,155],"processes,":[47],"state-of-the-art":[50],"many":[52],"widely":[55],"used":[56,117],"suites":[59],"use":[62,160],"barriers.":[65],"In":[66,120],"this":[67],"paper,":[68],"we":[69,126],"show":[70,182],"that":[71,183],"synchronization":[73,137,146,187],"space":[75,139],"provided":[76,140],"by":[77,141],"MPI_Barrier":[79,142,162],"insufficient":[81],"for":[82,104,196],"proper":[83,185],"results":[85,195],"using":[90],"collective":[92],"operations":[93],"examples.":[95],"resulting":[97,170],"lack":[98],"global":[101],"leads":[107],"skewed":[109],"results,":[110],"with":[111,143,163],"significant":[113,190],"impact":[114,191],"barrier":[118,172],"algorithm.":[119],"order":[121],"mitigate":[123],"these":[124],"issues,":[125],"propose":[127],"discuss":[129],"implementation":[131],"MPIX_Harmonize,":[133,164],"which":[134],"extends":[135],"time":[145,186],"guarantee":[148],"starting":[151],"processes.":[156],"By":[157],"replacing":[158],"implementors":[166],"can":[167,188],"eliminate":[168],"skews":[169],"from":[171],"algorithms":[173],"achieve":[175],"stable":[176],"performance":[177],"results.":[179],"We":[180],"will":[181],"have":[189],"on":[192],"various":[197],"MPI_Allreduce,":[200],"MPI_Reduce,":[201],"MPI_Bcast.":[203]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1}],"updated_date":"2026-08-23T07:36:19.812096","created_date":"2025-10-10T00:00:00"}