5.3. Computational performance
In order to evaluate performance of ReSP when processing algorithms in real environments, we set a benchmark illustrated in Table 3.
The benchmark simulates conditions of real time processing. Figure 5 is the simulation results.
Although ReSP has lower instruction level parallel compared with MIMD processor, it has powerful performance by equipping high degree DLP. Figure 5 shows speedup of ReSP compared with general DSP.
The figure shows that MIPS costs of ReSP reduce at least 7.5 times compared with general DPS. Figure 6 shows clocks of executing some algorithms.
We can see that our processor is faster than general DSP when executing FFT and Viterbi.