In our evaluation, we use the Core 2 Quad processor CPU and
Geforce8500GT GPU. Experiments are executed on the Fedora
core 11. The performance is measured by actual execution time
and energy efficiency is measured by inspector 2 tool, which can
measure the real-time power and energy consumption. “NVIDIA
Control Program” and “lm-sensor[16]” are used to measure the
temperature of the GPU and the CPU, respectively. We use the
parboil benchmark suite[17], the matrix multiplication (MM)
coded by CUDA, and the MP3 decoding program on the GPU to
evaluate the system characteristics with various types of
applications. Table 1 presents the brief description of three
selected benchmark programs from the parboil benchmark suite.