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基于海思平台的AHD系统内存优化方案
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作者 叶雄 叶光明 《信息技术》 2016年第9期99-102,共4页
基于海思平台的AHD系统可以进行多模式切换,实现了DVR/NVR/HVR功能3合1。然而,由于DVR模式、NVR模式、HVR模式实现方式的各不相同,其对OS(操作系统)内存与MMZ(多媒体处理)内存的需求不尽相同。导致原本能够满足单独模式运行的固定的内... 基于海思平台的AHD系统可以进行多模式切换,实现了DVR/NVR/HVR功能3合1。然而,由于DVR模式、NVR模式、HVR模式实现方式的各不相同,其对OS(操作系统)内存与MMZ(多媒体处理)内存的需求不尽相同。导致原本能够满足单独模式运行的固定的内存分配方式无法满足不同模式的性能需求。基于此,文中论述了一种全新的动态内存分配方案,以保证AHD系统在不同工作模式下,能够在有限的DDR容量限制下,使AHD系统性能得到充分发挥。 展开更多
关键词 内存分配 模式切换 ahd系统
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Acquired hepatocerebral degeneration: A case report 被引量:1
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作者 Wei-XingChen PingWang Sen-XiangYan You-MingLi Chao-HuiYu Ling-LingJiang 《World Journal of Gastroenterology》 SCIE CAS CSCD 2005年第5期764-766,共3页
AIM: Acquired hepatocerebral degeneration (AHD) is an exceptional type of hepatic encephalopathies (HE). It is characterized by neuropsychiatric and extrapyramidal symptomathology similar to that seen in hepatolenticu... AIM: Acquired hepatocerebral degeneration (AHD) is an exceptional type of hepatic encephalopathies (HE). It is characterized by neuropsychiatric and extrapyramidal symptomathology similar to that seen in hepatolenticular degeneration (Wilson's disease). In this paper, we report a case of AHD with unusual presenting features.METHODS: A 28-year-old man with AHD was described and the literature was reviewed.RESULTS: The man had a history of HBV-related liver cirrhosis. He was admitted to our hospital with apathy,dysarthria, mild consciousness impairment and extrapyramidal symptoms after hematemesis. By review of the literature,cases with AHD often did not present consciousness impairment. So our case was once diagnosed incorrectly as Wilson's disease.CONCLUSION: AHD is a rare syndrome and its variable clinical manifestations make it difficult to be diagnosed.But we believe that extensive examination and thorough understanding of the disease are beneficial to a correct diagnosis. Moreover, biocoene is effective in treating the case. 展开更多
关键词 Acquired hepatocerebral degeneration
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