Efficient Scheduling of Scientific Workflows with Energy Reduction Using Novel Discrete Particle Swarm Optimization and Dynamic Voltage Scaling for Computational Grids

Table 5

Voltage and frequency levels for a single machine class.

Level	Voltage	Relative frequency
0	1.5	1.0
1	1.4	0.9
2	1.3	0.8
3	1.2	0.7
4	1.1	0.6
5	1.0	0.5
6	0.9	0.4