A Chaotic Particle Swarm Optimization-Based Heuristic for Market-Oriented Task-Level Scheduling in Cloud Workflow Systems

Table 3

Speed and price of Amazon VMs.

VM type	Speed	Reserved		On-demand
		Per-term ($)	Per-hour ($)	Per-hour ($)
Small	1.00	97.50	0.07	0.12
Medium	1.30	390.00	0.28	0.48
Large	1.60	780.00	0.56	0.96