Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2261826071', 'doi': None, 'title': 'A Performance Comparison of Algebraic Multigrid Preconditioners on CPUs, GPUs, and Xeon Phis', 'display_name': 'A Performance Comparison of Algebraic Multigrid Preconditioners on CPUs, GPUs, and Xeon Phis', 'publication_year': 2015, 'publication_date': '2015-01-01', 'ids': {'openalex': 'https://openalex.org/W2261826071', 'mag': '2261826071'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.asc.tuwien.ac.at/~juengel/publications/pdf/Rupp-Multigrid-2015-submission.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5030188839', 'display_name': 'Karl Rupp', 'orcid': 'https://orcid.org/0000-0002-0198-3999'}, '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': 'K. Rupp', 'raw_affiliation_strings': ['Vienna University of Technology'], 'affiliations': [{'raw_affiliation_string': 'Vienna University of Technology', 'institution_ids': ['https://openalex.org/I145847075']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5088256840', 'display_name': 'Josef Weinbub', 'orcid': 'https://orcid.org/0000-0001-5969-1932'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'J. Weinbub', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5046731775', 'display_name': 'Florian Rudolf', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'F. Rudolf', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5056759185', 'display_name': 'Andreas Morhammer', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'A. Morhammer', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5062594496', 'display_name': 'Tibor Grasser', 'orcid': 'https://orcid.org/0000-0001-6536-2238'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'T. Grasser', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5084423759', 'display_name': 'Ansgar Jüngel', 'orcid': 'https://orcid.org/0000-0003-0633-8929'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'A. Jungel', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.417, 'has_fulltext': False, 'cited_by_count': 2, 'citation_normalized_percentile': {'value': 0.514269, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 73, 'max': 77}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10054', 'display_name': 'Parallel Computing and Performance Optimization', 'score': 0.998, '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 Performance Optimization', 'score': 0.998, '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/T10792', 'display_name': 'Matrix Algorithms and Iterative Methods', 'score': 0.9956, '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'}}, {'id': 'https://openalex.org/T10339', 'display_name': 'Finite Element Methods for Fluid-Structure Interaction', 'score': 0.9888, 'subfield': {'id': 'https://openalex.org/subfields/2206', 'display_name': 'Computational Mechanics'}, '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/multigrid-method', 'display_name': 'Multigrid method', 'score': 0.7772845}, {'id': 'https://openalex.org/keywords/xeon', 'display_name': 'Xeon', 'score': 0.77162325}, {'id': 'https://openalex.org/keywords/xeon-phi', 'display_name': 'Xeon Phi', 'score': 0.7487359}, {'id': 'https://openalex.org/keywords/gpu-computing', 'display_name': 'GPU Computing', 'score': 0.609876}, {'id': 'https://openalex.org/keywords/multicore-architectures', 'display_name': 'Multicore Architectures', 'score': 0.568206}, {'id': 'https://openalex.org/keywords/parallel-computing', 'display_name': 'Parallel Computing', 'score': 0.54656}, {'id': 'https://openalex.org/keywords/performance-optimization', 'display_name': 'Performance Optimization', 'score': 0.527079}, {'id': 'https://openalex.org/keywords/preconditioners', 'display_name': 'Preconditioners', 'score': 0.522133}], 'concepts': [{'id': 'https://openalex.org/C137119250', 'wikidata': 'https://www.wikidata.org/wiki/Q1413101', 'display_name': 'Multigrid method', 'level': 3, 'score': 0.7772845}, {'id': 'https://openalex.org/C145108525', 'wikidata': 'https://www.wikidata.org/wiki/Q656154', 'display_name': 'Xeon', 'level': 2, 'score': 0.77162325}, {'id': 'https://openalex.org/C96972482', 'wikidata': 'https://www.wikidata.org/wiki/Q1049168', 'display_name': 'Xeon Phi', 'level': 2, 'score': 0.7487359}, {'id': 'https://openalex.org/C173608175', 'wikidata': 'https://www.wikidata.org/wiki/Q232661', 'display_name': 'Parallel computing', 'level': 1, 'score': 0.7394987}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.69545823}, {'id': 'https://openalex.org/C21442007', 'wikidata': 'https://www.wikidata.org/wiki/Q1027879', 'display_name': 'Graphics', 'level': 2, 'score': 0.5101524}, {'id': 'https://openalex.org/C2778119891', 'wikidata': 'https://www.wikidata.org/wiki/Q477690', 'display_name': 'CUDA', 'level': 2, 'score': 0.5072067}, {'id': 'https://openalex.org/C204323151', 'wikidata': 'https://www.wikidata.org/wiki/Q905424', 'display_name': 'Range (aeronautics)', 'level': 2, 'score': 0.420677}, {'id': 'https://openalex.org/C459310', 'wikidata': 'https://www.wikidata.org/wiki/Q117801', 'display_name': 'Computational science', 'level': 1, 'score': 0.37050694}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.22826147}, {'id': 'https://openalex.org/C121684516', 'wikidata': 'https://www.wikidata.org/wiki/Q7600677', 'display_name': 'Computer graphics (images)', 'level': 1, 'score': 0.1349071}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C93779851', 'wikidata': 'https://www.wikidata.org/wiki/Q271977', 'display_name': 'Partial differential equation', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C159985019', 'wikidata': 'https://www.wikidata.org/wiki/Q181790', 'display_name': 'Composite material', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.asc.tuwien.ac.at/~juengel/publications/pdf/Rupp-Multigrid-2015-submission.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 23, 'referenced_works': ['https://openalex.org/W1506342804', 'https://openalex.org/W1524106338', 'https://openalex.org/W1776498962', 'https://openalex.org/W184640399', 'https://openalex.org/W1856844978', 'https://openalex.org/W1965034778', 'https://openalex.org/W1973918431', 'https://openalex.org/W1985263109', 'https://openalex.org/W1987840949', 'https://openalex.org/W1988801391', 'https://openalex.org/W2075463061', 'https://openalex.org/W2087507944', 'https://openalex.org/W2088866486', 'https://openalex.org/W2089270187', 'https://openalex.org/W2089711159', 'https://openalex.org/W2100061495', 'https://openalex.org/W2101511474', 'https://openalex.org/W2111389017', 'https://openalex.org/W2128853364', 'https://openalex.org/W2129343865', 'https://openalex.org/W2149822470', 'https://openalex.org/W2183317050', 'https://openalex.org/W2963106000'], 'related_works': ['https://openalex.org/W3101533771', 'https://openalex.org/W3043110088', 'https://openalex.org/W2999497692', 'https://openalex.org/W2951543943', 'https://openalex.org/W2945313716', 'https://openalex.org/W2866010014', 'https://openalex.org/W2794589673', 'https://openalex.org/W2787101825', 'https://openalex.org/W2773044074', 'https://openalex.org/W2618497730', 'https://openalex.org/W2612954225', 'https://openalex.org/W2269454992', 'https://openalex.org/W2267343865', 'https://openalex.org/W2230452465', 'https://openalex.org/W2183523256', 'https://openalex.org/W2076361081', 'https://openalex.org/W2004258741', 'https://openalex.org/W170802544', 'https://openalex.org/W139452268', 'https://openalex.org/W112991517'], 'abstract_inverted_index': {'Algebraic': [0], 'multigrid': [1, 40], 'preconditioners': [2, 41], 'for': [3, 11, 102], 'accelerating': [4], 'iterative': [5], 'solvers': [6], 'are': [7, 19, 98, 105, 138], 'a': [8, 12, 30, 35, 64, 130], 'popular': [9], 'choice': [10], 'broad': [13], 'range': [14, 133], 'of': [15, 38, 71, 134], 'applications,': [16], 'because': [17], 'they': [18, 161], 'able': [20], 'to': [21, 80, 108, 118], 'obtain': [22], 'asymptotic': [23], 'optimality,': [24], 'yet': [25, 115], 'can': [26, 42], 'be': [27], 'applied': [28], 'in': [29, 69, 144, 169], 'black-box': [31], 'manner.': [32], 'However,': [33], 'only': [34], 'few': [36], 'variants': [37], 'algebraic': [39], 'fully': [43], 'benefit': [44], 'from': [45, 61, 84, 94], 'finegrained': [46], 'parallelization': [47], 'available': [48], 'on': [49, 57, 66, 140, 158], 'multiand': [50], 'many-core': [51], 'architectures.': [52], 'Previous': [53], 'approaches': [54, 79], 'were': [55, 162], 'focused': [56], 'graphics': [58], 'processing': [59], 'units': [60], 'NVIDIA': [62, 95], 'without': [63], 'focus': [65], 'fair': [67], 'comparisons': [68], 'terms': [70], 'power': [72], 'or': [73], 'price.': [74], 'We': [75], 'extend': [76], 'these': [77], 'earlier': [78], 'current': [81], 'high-end': [82], 'hardware': [83], 'INTEL,': [85], 'NVIDIA,': [86], 'and': [87, 96, 137], 'AMD.': [88], 'Our': [89], 'results': [90], 'show': [91], 'that': [92], 'GPUs': [93, 143, 148], 'AMD': [97], 'equally': [99], 'well': [100], 'suited': [101], 'problems': [103], 'which': [104], 'large': [106], 'enough': [107, 117], 'hide': [109], 'latencies': [110], 'across': [111, 129], 'the': [112, 145, 165], 'PCI-Express': [113], 'bus,': [114], 'small': [116], 'fit': [119], 'into': [120], 'GPU': [121], 'RAM.': [122], 'Purely': [123], 'CPUbased': [124], 'systems': [125], 'offer': [126], 'good': [127, 156], 'performance': [128, 157], 'much': [131], 'broader': [132], 'problem': [135], 'sizes': [136], 'even': [139], 'par': [141], 'with': [142], 'regime': [146], 'where': [147], 'yield': [149], 'best': [150], 'performance.': [151], 'While': [152], 'we': [153], 'also': [154], 'demonstrate': [155], 'Xeon': [159], 'Phis,': [160], 'identified': [163], 'as': [164], 'slowest': [166], 'platform': [167], 'overall': [168], 'our': [170], 'benchmarks.': [171], 'Copyright': [172], 'c': [173], '©': [174], '2015': [175], 'John': [176], 'Wiley': [177], '&': [178], 'Sons,': [179], 'Ltd.': [180]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2261826071', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}], 'updated_date': '2024-09-18T16:21:50.871267', 'created_date': '2016-06-24'}