Before revision: The past decades witness FLOPS (Floating-point Operations per Second) as an important computation-centric performance metric. However, for datacenter (in short, DC) computing workloads, such as Internet services or big data analytics, previous work reports that they have extremely low floating point operation intensity , and the average FLOPS efficiency  is only 0.1\% , while the average IPC is 1.3 (the theoretic IPC is 4 on the Intel Xeon E5600 platform).
After revision: For datacenter computing workloads, such as Internet services or big data analytics, previous work reports that they have extremely low floating point operation intensity , and the average FLOPS efficiency is only 0.1\% , while the average IPC is 1.3 (the theoretic IPC is 4 on the Intel Xeon E5600 platform).