简单测试数据库服务器单核处理能力的程序
简单测试数据库服务器单核处理能力的程序,作者声称测试了上百个不同的U,最快的是跑在linux上的 Intel Xeon X5680 3.33GHz six-
来自Julian Dyke的测试CPU单核心性能的存储过程,能够测试CPU的单核处理能力,顺便我也测试了一把
SET SERVEROUTPUT ON
SET TIMING ONDECLARE
n NUMBER := 0;
BEGIN
FOR f IN 1..10000000
LOOP
n := MOD (n,999999) + SQRT (f);
END LOOP;
DBMS_OUTPUT.PUT_LINE ('Res = '||TO_CHAR (n,'999999.99'));
END;
/
下面是一个输出结果样本:
SQL> /
Res = 873729.72
PL/SQL procedure successfully completed.
Elapsed: 00:00:19.87
作者声称测试了上百个不同的U,最快的是跑在linux上的 Intel Xeon X5680 3.33GHz six-core , 8.92 秒。
(当然,这个脚本只是简单的测试,,并不全面。且单核的速度并不是一个CPU好坏的全部。仅供参考)
测试结果:测了几个类型的CPU,竟然是我的一台测试机(Intel Cpu)最快,秒杀HP和IBM,当然单核的处理能力仅仅是一个方面,稳定和并发才是小机的杀手锏
HPUX 安腾平台
Elapsed: 00:00:34.98
uname -a
HP-UX wbdb2 B.11.31 U ia64 1705335017 unlimited-user license
CPU info:
16 Intel(R) Itanium 2 9100 series processors (1.6 GHz, 18 MB)
533 MT/s bus, CPU version A1
32 logical processors (2 per socket)
IBM POWER 7 平台
Elapsed: 00:00:15.91
lsattr -E -l proc0
frequency 3550000000 Processor Speed False
smt_enabled true Processor SMT enabled False
smt_threads 4 Processor SMT threads False
state enable Processor state False
type PowerPC_POWER7 Processor type False
AMD CPU
time: 00: 00: 22.43
[root@dtydb3 ~]# uname -a
Linux dtydb3 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:39 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
vendor_id : AuthenticAMD
model name : AMD Opteron(tm) Processor 6128 HE
stepping : 1
cpu MHz : 800.000
cache size : 512 KB
INTEL CPU
Elapsed: 00:00:11.65
uname -a
Linux dtydb0 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:39 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 44
model name : Intel(R) Xeon(R) CPU E5649 @ 2.53GHz
stepping : 2
cpu MHz : 1596.000
cache size : 12288 KB

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