{"title":"任务迁移对嵌入式多处理器流媒体的影响:一个定量评价","authors":"M. Pittau, A. Alimonda, S. Carta, A. Acquaviva","doi":"10.1109/ESTMED.2007.4375803","DOIUrl":null,"url":null,"abstract":"Dynamic task mapping solutions based on task migration has been recently explored to perform run-time reallocation of task to maximize performance and optimize energy consumption in MPSoCs. Even if task migration can provide high flexibility, its overhead must be carefully evaluated when applied to soft real-time applications. In fact, these applications impose deadlines that may be missed during the migration process. In this paper we first present a middleware infrastructure supporting dynamic task allocation for NUMA architectures. Then we perform an extensive characterization of its impact on multimedia soft realtime applications using a software FM Radio benchmark.","PeriodicalId":428196,"journal":{"name":"2007 IEEE/ACM/IFIP Workshop on Embedded Systems for Real-Time Multimedia","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"38","resultStr":"{\"title\":\"Impact of Task Migration on Streaming Multimedia for Embedded Multiprocessors: A Quantitative Evaluation\",\"authors\":\"M. Pittau, A. Alimonda, S. Carta, A. Acquaviva\",\"doi\":\"10.1109/ESTMED.2007.4375803\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Dynamic task mapping solutions based on task migration has been recently explored to perform run-time reallocation of task to maximize performance and optimize energy consumption in MPSoCs. Even if task migration can provide high flexibility, its overhead must be carefully evaluated when applied to soft real-time applications. In fact, these applications impose deadlines that may be missed during the migration process. In this paper we first present a middleware infrastructure supporting dynamic task allocation for NUMA architectures. Then we perform an extensive characterization of its impact on multimedia soft realtime applications using a software FM Radio benchmark.\",\"PeriodicalId\":428196,\"journal\":{\"name\":\"2007 IEEE/ACM/IFIP Workshop on Embedded Systems for Real-Time Multimedia\",\"volume\":\"19 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-11-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"38\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 IEEE/ACM/IFIP Workshop on Embedded Systems for Real-Time Multimedia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESTMED.2007.4375803\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE/ACM/IFIP Workshop on Embedded Systems for Real-Time Multimedia","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESTMED.2007.4375803","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Impact of Task Migration on Streaming Multimedia for Embedded Multiprocessors: A Quantitative Evaluation
Dynamic task mapping solutions based on task migration has been recently explored to perform run-time reallocation of task to maximize performance and optimize energy consumption in MPSoCs. Even if task migration can provide high flexibility, its overhead must be carefully evaluated when applied to soft real-time applications. In fact, these applications impose deadlines that may be missed during the migration process. In this paper we first present a middleware infrastructure supporting dynamic task allocation for NUMA architectures. Then we perform an extensive characterization of its impact on multimedia soft realtime applications using a software FM Radio benchmark.
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