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Heterogeneous 멀티코어 시스템에서 SRPT 스케줄링을 사용한 체류 시간 분석
양보미(Yang Bomi),박현재(Hyunjae Park),최영준(Young-June Choi) 한국정보과학회 2017 정보과학회논문지 Vol.44 No.3
본 논문에서는 최근 광범위하게 사용되고 있는 멀티 코어 환경에서의 모바일 장치의 성능에 대하여 연구하였다. 이전에 연구되어왔던 멀티 코어의 성능에 대한 분석은, 대부분 데스크톱 PC에서의 분석이었고, heterogeneous 멀티 코어에 대한 분석방법이 충분하지 않았다. 이러한 문제점을 보완하고자 homogeneous 멀티 코어의 분석 방법을 응용한 heterogeneous 멀티 코어 환경에서 성능을 분석하는 방법을 제안하였다. 본 연구에서는 이를 분석하는 데 있어서 작업의 할당에는 Size Interval Task Allocation (SITA) 기법을 사용하였고, 코어에서의 처리 방법은 Shortest Remaining Processing Time (SRPT) 기법을 사용하였다. 이 중 SITA 기법에서 가장 중요한 분석인 cutoff point에 대한 새로운 계산 방법을 제안하였고, 이를 체류 시간을 계산하는 데 사용함으로써 계산의 용이성과 정확성을 높였다. 또한, ESESC 시뮬레이터에서의 측정을 통해 분석값과 측정값에 큰 차이가 없음을 확인하였다. In this paper, we study the performance of recently popular multi-core systems in mobiles. Previous research on the multi-core performance usually focused on the desktop PC. However, there is enough scope to further analyze heterogeneous multi-core systems. Therefore, by extending homogeneous multi-core systems, we analyze the heterogeneous multi-core systems using Size Interval Task Allocation (SITA) for job allocation, and Shortest Remaining Processing Time (SRPT) scheduling, for each individual core. We propose a new computational method regarding the cutoff point, which is crucial in analyzing SITA, by calculating the sojourn time. This facilitate easy and accurate calculation of the sojourn time. We further confirm our analysis through the ESESC simulator that provides actual measurements.
지역 인증 맛집 이미지와 지각된가치, 가격민감도, 재방문의도의 구조적 관계 연구
김수인 ( Suin Kim ),양보미 ( Bomi Yang ),우재걸 ( Jaegeol Woo ) 관광경영학회 2020 관광경영연구 Vol.100 No.-
For practical research on local certification matjips, this study examined the impact relationship between the image of local certification matjips and their perceptual values, price sensitivity and revisitability. In addition, we looked into the impact of perceived value on price sensitivity and revisitability of local certification matjips. And we looked into whether price sensitivity affects revisitability. First of all, the image of a local certification matjips has been shown to give positive influence on perceptual values and willingness to revisit. Second, the perceived value of local certification matjips was found to have a positive influence on price sensitivity and revisitability. Third, the price sensitivity of local certification matjips was found to have a positive effect on the degree of revisit. On the other hand, images of local certification matjips have no significant impact on price sensitivity.
업사이클링 식음공간 속성이 감성경험과 애착감형성 및 소비자의 주관적 행복에 미치는 영향
김수인 ( Suin Kim ),양보미 ( Bomi Yang ),이슬 ( Seul Lee ) 관광경영학회 2021 관광경영연구 Vol.103 No.-
A The purpose of this study is to identify the relationship between emotional experience, attachment, and subjective happiness for consumer who visit up-cycling food and beverage space, and to provide basic data to continuously enjoy up-cycling space and lead happy lives. Specific objectives of this study are as follows: First, we examine the nature of up-cycling food and beverage space and the impact of emotional experiences. Second, we examine the relationship between up-cycling food and beverage properties and attachment formation. Third, check the relationship between emotional experience and subjective happiness. Finally, we examine the relationship between attachment formation and subjective happiness. The results of the verification of the theory of study conducted on the basis of the above stated objectives are as follows: First, the environmental, cultural, aesthetic, and functional characteristics of up-cycling food and beverage space increase the emotional experience and attachment formation. Also as emotional experiences and attachment formation increase, subjective happiness also increases.