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16-02-2011 дата публикации

GPU-oriented data stream processing method

Номер: CN0101976207A
Автор: DONG XIAOSHE, ZHANG BAO, CAO HAIJUN, ZHANG XINGJUN, FENG JINGHUA, LI LIANG, LIU CHAO, LI DAN, BAI XIUXIU, LIU YUAN, XIAOSHE DONG, BAO ZHANG, HAIJUN CAO, XINGJUN ZHANG, JINGHUA FENG, LIANG LI, CHAO LIU, DAN LI, XIUXIU BAI, YUAN LIU
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The invention discloses a graphics processing unit (GPU)-oriented data stream processing method. The method comprises the following steps of: operating a data-intensive computation module to be processed in a heterogeneous parallel system consisting of a central processing unit (CPU) and the GPU to acquire in-copy time Ti, computation time Tc and back-copy time To; computing the following proportional relation according to the three parts of running time: a is equal to Tc/Ti, and b is equal to Tc/To; and by combining the total amount of the initial data, determining the size of each data stream according to the summed size ratio among data streams when the initial data is divided into n streams, namely 1:a:a<2>:...:a:a/b:a/b2:...:a/b, and delivering the data streams to the GPU to perform in batches. By the method, the time for communication and computation is more efficiently superposed on the basis of avoiding system resource waste as much as possible, and the ...

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Номер записи: 1
21-09-2011 дата публикации

CBEA (Cell Broadband Engine Architecture)-oriented transplanting method for isomorphic platform application

Номер: CN0102193827A
Автор: XIAOSHE DONG, JINGHUA FENG, GUOFU FENG, XINGJUN ZHANG, ZHENGDONG ZHU, LIANG LI, CHAO LIU, XIUXIU BAI, DONG XIAOSHE, FENG JINGHUA, FENG GUOFU, ZHANG XINGJUN, ZHU ZHENGDONG, LI LIANG, LIU CHAO, BAI XIUXIU
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The invention discloses a CBEA (Cell Broadband Engine Architecture)-oriented transplanting method for isomorphic platform application. The method comprises the following steps of: finding a computing part of the entire application by adopting a subdivision-grade dynamic insertion subdivision technique on the basis of setting a guidance statement standard; and optimizing a computing core part of the application by adopting a 'Functional Offload' strategy through a source to source compiler of a compiling layer specific to an insertion guidance statement displayed by a computing core to bring the performance of an isomorphic multi-core framework into full play at a smaller transplanting overhead. By adopting a final runtime mechanism, the performance of the recompiled runtime of application specific to the isomorphic multi-core framework and the memory access characteristic of each computing part in the application can be acquired; and the application can be further optimized by a user according ...

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Номер записи: 2