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首页> 美国政府科技报告 >Acceleration of the Matrix Multiplication of Radiance Three Phase Daylighting Simulations with Parallel Computing on Heterogeneous Hardware of Personal Computer.
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Acceleration of the Matrix Multiplication of Radiance Three Phase Daylighting Simulations with Parallel Computing on Heterogeneous Hardware of Personal Computer.

机译：个人计算机异构硬件并行计算的辐射三相采光矩阵乘法的加速。

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Building designers are increasingly relying on complex fenestration systems to reduce energy consumed for lighting and HVAC in low energy buildings. Radiance, a lighting simulation program, has been used to conduct daylighting simulations for complex fenestration systems. Depending on the configurations, the simulation can take hours or even days using a personal computer. This paper describes how to accelerate the matrix multiplication portion of a Radiance three-phase daylight simulation by conducting parallel computing on heterogeneous hardware of a personal computer. The algorithm was optimized and the computational part was implemented in parallel using OpenCL. The speed of new approach was evaluated using various daylighting simulation cases on a multicore central processing unit and a graphics processing unit. Based on the measurements and analysis of the time usage for the Radiance daylighting simulation, further speedups can be achieved by using fast I/O devices and storing the data in a binary format.

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