{"title": "CPU\u9891\u7387\u7684\u7b80\u5355\u6d4b\u8bd5\u5de5\u5177", "update_time": "2012-12-01 23:52:04", "tags": "cpu", "pid": "160", "icon": "linux.png"}
使用如下命令行测试cpu的频率 ``` time echo "scale=5000; 4*a(1)" | bc -l -q ``` 常见CPU测试结果： | CPU型号 | 时间 | | --------| ---------| | Intel(R) Xeon(R) CPU E5-2420 0 @ 1.90GHz | 34.751s | |Intel(R) Xeon(R) CPU E5420 @ 2.50GHz | 34.291s | | Intel(R) Xeon(R) CPU E5310 @ 1.60GHz | 49.368s | | Intel(R) Xeon(R) CPU E5645 @ 2.40GHz | 28.289s | | Intel(R) Xeon(R) CPU E5620 @ 2.40GHz | 29.749s | | Intel(R) Xeon(R) CPU E5530 @ 2.40GHz | 30.936s | | Intel(R) Xeon(R) CPU 5130 @ 2.00GHz | 39.509s |