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Modern GPGPUs implement on-chip shared cache to better exploit the data reuse of various general purpose applications. Given the massive amount of concurrent threads in a GPGPU, striking the balance between Data Locality and Load Balance has become a critical design concern. To achieve the best performance, the trade-off between these two factors needs to be performed concurrently. This paper proposes...
Memory Coalescing and on-chip shared Cache are two effective techniques to alleviate the memory bottleneck in modern GPGPUs. These two techniques are very useful on applications with regular memory accesses. However, they become ineffective on concurrent threads with large numbers of uncoordinated accesses and the potential performance benefit could be significantly degraded. This paper proposes a...
Noise-like waveform and strange attractor are considered as important characteristics of chaos. In this paper, a new chaotic system with a novel attractor looking like limit cycle, which generates a sine-like output waveform, is found. The existence of chaotic signal with sine-like waveform is further investigated by employing several numerical tools and verified by simulating an experimental circuit.
This paper presents an adaptive learning method for real-time driver eye detection, which could be used for monitoring a driverpsilas vigilance level while he/she is operating a vehicle on road. To adapt to the variances in the eye shape and size of different individuals, a learning mode is introduced at the early stage of eye positioning to build the sample learning library. Face detection is firstly...
The extensive clayization of Dexing copper mine is responsible for water and soil pollutions because of the oxidation of sulfide minerals. During the clayization, harmful elements such as As, S, Sb and Pb could be effectively released into the clay and water. Using the abundant spectral information of short wave infrared (SWIR), combining with the spectral absorbed index, SAM (Spectrum Angle Mapper)...
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