{"id":"https://openalex.org/W2010610349","doi":"https://doi.org/10.1109/sips.2007.4387538","title":"Performance Optimization of a Multimedia Player on a Mobile CPU Platform","display_name":"Performance Optimization of a Multimedia Player on a Mobile CPU Platform","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2010610349","doi":"https://doi.org/10.1109/sips.2007.4387538","mag":"2010610349"},"language":"en","primary_location":{"id":"doi:10.1109/sips.2007.4387538","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sips.2007.4387538","pdf_url":null,"source":{"id":"https://openalex.org/S4210209284","display_name":"SiPS ... design and implementation - IEEE Workshop on Signal Processing Systems","issn_l":"1520-6130","issn":["1520-6130","2374-7390"],"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":"2007 IEEE Workshop on Signal Processing Systems","raw_type":"proceedings-article"},"type":"conference-paper","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/A5111982138","display_name":"Hoseok Chang","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hoseok Chang","raw_affiliation_strings":["School of Electrical Engineering, Gwanak-gu, Seoul National University, Seoul, South Korea","Seoul National University, School of Electrical Engineering, Gwanak-gu, Seoul 151-744 Korea, chs@dsp.snu.ac.kr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Gwanak-gu, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, School of Electrical Engineering, Gwanak-gu, Seoul 151-744 Korea, chs@dsp.snu.ac.kr","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101399645","display_name":"Young\u2010Joon Lee","orcid":"https://orcid.org/0000-0002-1735-3385"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Youngjoon Lee","raw_affiliation_strings":["School of Electrical Engineering, Gwanak-gu, Seoul National University, Seoul, South Korea","Seoul National University, School of Electrical Engineering, Gwanak-gu, Seoul 151-744 Korea, yjlee@dsp.snu.ac.kr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Gwanak-gu, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, School of Electrical Engineering, Gwanak-gu, Seoul 151-744 Korea, yjlee@dsp.snu.ac.kr","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113491293","display_name":"Wonyong Sung","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Wonyong Sung","raw_affiliation_strings":["School of Electrical Engineering, Gwanak-gu, Seoul National University, Seoul, South Korea","Seoul National University, School of Electrical Engineering, Gwanak-gu, Seoul 151-744 Korea, wysung@snu.ac.kr"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Gwanak-gu, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, School of Electrical Engineering, Gwanak-gu, Seoul 151-744 Korea, wysung@snu.ac.kr","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I139264467"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"31","issue":null,"first_page":"163","last_page":"168"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9926000237464905,"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9894999861717224,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.8486407995223999},{"id":"https://openalex.org/keywords/simd","display_name":"SIMD","score":0.7664895057678223},{"id":"https://openalex.org/keywords/bottleneck","display_name":"Bottleneck","score":0.6223726272583008},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.6122546195983887},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.5629575252532959},{"id":"https://openalex.org/keywords/static-random-access-memory","display_name":"Static random-access memory","score":0.5355515480041504},{"id":"https://openalex.org/keywords/access-time","display_name":"Access time","score":0.4955557584762573},{"id":"https://openalex.org/keywords/cpu-cache","display_name":"CPU cache","score":0.47182899713516235},{"id":"https://openalex.org/keywords/central-processing-unit","display_name":"Central processing unit","score":0.4601048231124878},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.45808354020118713},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.44344860315322876},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.4420744776725769},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.4335680603981018},{"id":"https://openalex.org/keywords/program-optimization","display_name":"Program optimization","score":0.43311208486557007},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4146963059902191},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.3826178014278412},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.32627880573272705}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8486407995223999},{"id":"https://openalex.org/C150552126","wikidata":"https://www.wikidata.org/wiki/Q339387","display_name":"SIMD","level":2,"score":0.7664895057678223},{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.6223726272583008},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.6122546195983887},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.5629575252532959},{"id":"https://openalex.org/C68043766","wikidata":"https://www.wikidata.org/wiki/Q267416","display_name":"Static random-access memory","level":2,"score":0.5355515480041504},{"id":"https://openalex.org/C194080101","wikidata":"https://www.wikidata.org/wiki/Q46306","display_name":"Access time","level":2,"score":0.4955557584762573},{"id":"https://openalex.org/C189783530","wikidata":"https://www.wikidata.org/wiki/Q352090","display_name":"CPU cache","level":3,"score":0.47182899713516235},{"id":"https://openalex.org/C49154492","wikidata":"https://www.wikidata.org/wiki/Q5300","display_name":"Central processing unit","level":2,"score":0.4601048231124878},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.45808354020118713},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.44344860315322876},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.4420744776725769},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4335680603981018},{"id":"https://openalex.org/C139571649","wikidata":"https://www.wikidata.org/wiki/Q1156793","display_name":"Program optimization","level":3,"score":0.43311208486557007},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4146963059902191},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.3826178014278412},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.32627880573272705},{"id":"https://openalex.org/C169590947","wikidata":"https://www.wikidata.org/wiki/Q47506","display_name":"Compiler","level":2,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sips.2007.4387538","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sips.2007.4387538","pdf_url":null,"source":{"id":"https://openalex.org/S4210209284","display_name":"SiPS ... design and implementation - IEEE Workshop on Signal Processing Systems","issn_l":"1520-6130","issn":["1520-6130","2374-7390"],"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":"2007 IEEE Workshop on Signal Processing Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8500000238418579,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W76554198","https://openalex.org/W1559272609","https://openalex.org/W1572085513","https://openalex.org/W1969489929","https://openalex.org/W2002760267","https://openalex.org/W2045533045","https://openalex.org/W2075086017","https://openalex.org/W2086807722","https://openalex.org/W2156250610","https://openalex.org/W2503657378","https://openalex.org/W4237433798","https://openalex.org/W4254476753","https://openalex.org/W6683248067"],"related_works":["https://openalex.org/W4232853593","https://openalex.org/W2022441525","https://openalex.org/W2354756149","https://openalex.org/W2049403575","https://openalex.org/W2246205697","https://openalex.org/W1994316441","https://openalex.org/W7508527","https://openalex.org/W2803934143","https://openalex.org/W2254409681","https://openalex.org/W2033171136"],"abstract_inverted_index":{"We":[0],"conducted":[1],"a":[2,72],"mobile":[3],"platform":[4],"specific":[5],"software":[6],"and":[7,48,65,83,89,103,134],"system":[8,18],"optimization":[9,28,55,85],"for":[10],"an":[11],"open-source":[12],"multimedia":[13],"player,":[14],"MPlayer.":[15],"The":[16,27,68,115],"target":[17],"is":[19,120],"based":[20,80],"on":[21],"the":[22,35,43,50,59,98,105,124],"Intel":[23],"XScale":[24],"PXA270":[25],"CPU.":[26],"process":[29],"consists":[30],"of":[31,91],"4":[32],"steps:":[33],"utilizing":[34,104],"color":[36,81],"conversion":[37,82],"hardware,":[38],"adopting":[39],"SIMD":[40,84],"optimization,":[41],"increasing":[42,97],"external":[44,99],"memory":[45,100,107,125],"access":[46,101],"speed,":[47],"exploiting":[49,135],"internal":[51,106,136],"memory.":[52],"At":[53],"each":[54],"step,":[56],"we":[57],"measured":[58],"execution":[60,92,112],"time,":[61],"cache":[62],"miss":[63],"characteristics,":[64],"power":[66],"consumption.":[67],"experimental":[69],"results":[70,116],"with":[71],"QVGA-sized":[73],"MPEG4":[74],"movie":[75],"clip":[76],"show":[77,117],"that":[78,118],"hardware":[79],"bring":[86],"about":[87],"19.2%":[88],"27.6%":[90],"time":[93,113],"reduction,":[94],"respectively,":[95],"while":[96],"speed":[102],"result":[108],"in":[109],"35.9%":[110],"additional":[111],"reduction.":[114],"it":[119],"important":[121],"to":[122],"break":[123],"bus":[126,132],"bottleneck":[127],"by":[128],"using":[129],"faster":[130],"data":[131],"settings":[133],"SRAM.":[137]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}