| Metric | Average | 95th percentile | |--------|---------|-----------------| | LPARs per physical core | 12.3 | 20 | | Overcommit ratio (vCPU:pCPU) | 3.2:1 | 5:1 | | Idle CPU waste (compared to bare metal) | <3% | 5% |
Power systems are famous for consistent latency under load. Look for the standard deviation of response time across a 24-hour test. In nearly every IBM Power Systems performance report, Power10 shows 15-20% less jitter than comparable x86, crucial for high-frequency trading. ibm power systems performance report