Tranformation of CPU-based Applications To Leverage on Graphics Processors using CUDA

Fawnizu Azmadi Hussin, Anas Mohd Nazlee, Noohul Basheer Zain Ali
Electrical and Electronics Engineering Department, Universiti Teknologi PETRONAS, 31750, Perak, Malaysia
International Journal of Electrical & Computer Sciences IJECS-IJENS, Vol. 10, No. 01, 2010


   title={Tranformation of CPU-based Applications To Leverage on Graphics Processors using CUDA},

   author={Hussin, F.A. and Nazlee, A.M. and Ali, N.B.Z.},

   journal={International Journal of Electrical & Computer Sciences IJECS/IJENS},







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Scientific computation requires a great amount of computing power especially in floating-point operation but a high-end multi-cores processor is currently limited in terms of floating point operation performance and parallelization. Recent technological advancement has made parallel computing technically and financially feasible using Compute Unified Device Architecture (CUDA) developed by NVIDIA. This research focuses on measuring the performance of CUDA and implementing CUDA for a scientific computation involving the process of porting the source code from CPU to GPU using direct integration technique. The ported source code is then optimized by managing the resources to achieve performance gain over CPU. Successful attempt at porting Serpent encryption algorithm and Lattice Boltzmann Method provided up to 7 times throughput performance gain and up to 10 times execution time performance gain respectively over the CPU. Direct integration guideline for porting the source code is then produced based on the two implementations.
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