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      • 다양한 어플리케이션에 따른 메모리 특성

        신연순,정성진,이수선,이강우 동국대학교 산업기술연구원 2001 산업기술논문집 Vol.12 No.1

        일반적으로 다중 프로세서 컴퓨터 시스템은 공학 또는 과학분야의 계산위주 프로그램을 실행함에 있어서 최적의 성능을 나타내도록 설계되어 왔다. 근래에는 데이터베이스와 같은 상업적인 영역으로까지 컴퓨터의 응용분야가 급속히 확산되고 있다. 이렇게 새로운 분야의 프로그램을 실행하는데 있어서 최적의 성능을 갖는 컴퓨터 시스템은 구조적인 측면에 있어서 기존의 그것과는 상이하리라는 것이 일반적인 견해이다. 본 논문에서는 공유 메모리 다중 프로세서 시스템의 성능에 가장 크게 영향을 주는 메모리 계층구조가 상이한 분야의 프로그램에 대해서 어떠한 동작 특성을 나타내며, 나아가 전체적인 성능에 어떻게 영향을 미치는가를 관찰하였다. 이를 위해 과학 계산 응용분야 및 상업 응용분야에서 신뢰할 수 있는 벤치마크를 선택하고, 다양한 사양의 목표 시스템에 대한 수행-구동 시뮬레이션을 수행하였다. 실험과 관찰을 통해 두 가지 분야의 응용 프로그램들이 목표 시스템의 상이한 동작을 유도하며 전체적인 시스템의 성능에도 지대한 영향을 미친다는 사실을 알 수 있었다. 따라서 컴퓨터 시스템이 최적의 성능을 나타내도록 하기 위해서는 그 시스템이 실행할 특정 분야 프로그램들의 특성에 대한 철저한 분석이 선행되어야 하며 그로부터 얻어진 결과를 토대로 시스템의 전체적인 사양을 결정해야 한다는 결론을 얻었다. Multiprocessor systems have been optimized to perform well on scientific and engineering applications. These days, the amount of computer applications in commercial area such as databases is in creasing. In general, it is evident that the overall architecture for this new application area must be quite different from the ones that have been widely used. This thesis presents in-depth investigations on the memory behavior which is the primary cause for performance changes. A set of representative benchmarks in scientific and commercial application areas were chosen for a bus-based cache-coherent shared-memory multiprocessors. Through execution-driven simulations, both memory behaviors and performance metrics presented significant differences among different types of applications. This leads to a conclusion that computer systems must be carefully and differently designed to achieve the best performance when they are built for distinct applications.

      • 건강한 청소년을 위한 위기상담에 관한 연구

        신연순,조순자 공주문화대학 2000 공주문화대학·논문집 Vol.27 No.-

        This is study of crisis counseling for healthy adolesence. The research was focused on the support, encouragement, and care for a patient with pancreatic cancer and his family who were feeling despair and suffering. First, as an ample time was not allowed for active and sufficient care of the patient, I didn't perform a deep clinical observation or the care activity sufficiently. But I could have the opportunity of applying a nursing skill to an actual clinic Second, I gained experience for an effective nursing performance and a clinical knowledge. Third, I could supply the patron and the patient with to their spontaneous cooperation. Also, I had a chance to life and death. Fourth, I realized we should expand the role of hospice the end of cancer by accompanying go with consideration family to give them a meaning of life. Fifth, I know how short we are on institutions, interest, facilities and the human and material resources for activating hospice system. And there are many other policies for developing medical system and social welfare facilities in our nation.

      • 병동형 호스피스 췌장암 환자 간호 사례 연구

        신연순,조순자 공주문화대학 1999 공주문화대학·논문집 Vol.26 No.-

        This is research that was executed in July, 1998, on the nursing care of a hospice ward. The research was focused on the support, encouragement, and care for a patient with pancreatic cancer and his family who were feeling despair and suffering. First, as an ample time was not allowed for active and sufficient care of the patient, I didn't perform a deep clinical observation or the care activity sufficiently. But I could have the opportunity of applying a nursing skill to an actual clinic. Second, I gained experience for an effective nursing performance and a clinical knowledge. Third, I could supply the patron and the patient with relief and comfort thanks to their spontaneous cooperation. Also, I had a chance to search for the meaning of life and death. Fourth, I realized we should expand the role of hospice nursing for the patient at the end of cancer by accompanying go with consideration and care of the patient's family to give them a meaning of life. Fifth, I know how short we are on institutions, interest, facilities and the human and material resources for activating hospice system. And there are many other policies for developing medical system and social welfare facilities in our nation. Suggestion: However science and medicine may develop, an incurable disease or crime of human society will not decrease or disappear: rather, it will be varied and become chronic. Especially, the diseases which occur through an increase in population and advanced age are a serious burden that mankind has to cope with. So I propose that a man of enterprise, a religious organization in the nation should take a great interest in the hospice system to come up to a welfare state. Furthermore all the medical centers of the nation and the local self-governments to the provinces should expand the hospice wards, they are able to admit the patients at the end of cancer.

      • KCI등재후보

        부/모 사별을 경험한 대학생들의 정서에 대한 현상학적 연구

        신연순,송정아 한국기독교상담심리학회 2008 한국기독교상담학회지 Vol.15 No.-

        The purpose of this research was to explore the understanding of psychological and emotional phenomenon of the university students who experienced parental separation by their mother’s or father’s death. To achieve the purpose of this study, nine objects were participated. Through ten sessions of personal interviews, the author extracted some meaningful parts and clustered them into broad thematic categories. As a whole, their narrations and writings on the research topic represented their genuine psychological and emotional experiences. After verifying the validity of the materials, 32 themes and 15 thematic categories were extracted. From the 15 thematic categories, the authors pulled out some key words that showed distinctive characteristics of their experiences such as emotional reaction, physical responses, domestic features, social features, and religious features. First, shock, rejection, longing, and feeling of unfairness represent their emotional reactions. Second, anorexia, dyspepsia, sleep disorder, and restlessness indicate their physical responses. Third, economic shrinking, withdrawal, and increased conflicts among family members are the domestic features. Fourth, low self-esteem, inferiority complex, and self-depreciation take on social features. Fifth, considering a religion for solace and seeking for spiritual well-being reflect the religious features. During their grieving process, the participants went through changes in their perspectives in dealing with the loss and finally were able to accept the death from a religious point of view. They began to look at life in a big scheme of time: past, present, and future. Gradually they strived to free themselves from the chain of sorrow caused by their parent’s death. As time passed by, they did not regard their parent’s death as an obstacle anymore, nor did they shrink from the hardship. In their healing process, there commonly lay an important religious factor, namely, Christianity, which led them to a more proactive life with newly gained spiritual strength

      • KCI등재

        Exploring the Feasibility of Differentiating IEEE 802.15.4 Networks to Support Health-Care Systems

        신연순,이강우,안종석 한국통신학회 2011 Journal of communications and networks Vol.13 No.2

        IEEE 802.15.4 networks are a feasible platform candidate for connecting all health-care-related equipment dispersed across a hospital room to collect critical time-sensitive data about patient health state, such as the heart rate and blood pressure. To meet the quality of service requirements of health-care systems,this paper proposes a multi-priority queue system that differentiates between various types of frames. The effect of the proposed system on the average delay and throughput is explored herein. By employing different contention window parameters, as in IEEE 802.11e, this multi-queue system prioritizes frames on the basis of priority classes. Performance under both saturated and unsaturated traffic conditions was evaluated using a novel analytical model that comprehensively integrates two legacy models for 802.15.4 and 802.11e. To improve the accuracy, our model also accommodates the transmission retries and deferment algorithms that significantly affect the performance of IEEE 802.15.4. The multi-queue scheme is predicted to separate the average delay and throughput of two different classes by up to 48.4% and 46%, respectively,without wasting bandwidth. These outcomes imply that the multi-queue system should be employed in health-care systems for prompt allocation of synchronous channels and faster delivery of urgent information. The simulation results validate these model’s predictions with a maximum deviation of 7.6%.

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