= CPI 的 loop 只會跑一次 =





= MPICH Performance Report =
== Machine Specification ==
|| Node || 8 nodes (1 server , 7 client provide disks) ||
|| CPU || Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz ||
|| Memory || 2GB DDR2 667 (each node) ||


= CPI.c =
== Description ==
這是一個 mpich 內附用來算 pi 的程式。


= Performance =
以下為使用 1～10 顆的 CPU 測試 100 次的結果

|| PI || 3.14159265358979323846 ||
|| Our result || 3.14159265358979267191 ||
|| error || 0.00000000000000056655 ||
{{{
cpus	平均數
1	0.3792575
2	0.1898436
3	0.1280467
4	0.1004294
5	0.0812890
6	0.0696091
7	0.0672654
8	0.0662498
9	0.0625782
10	0.0587502
}}}

[[Image(cpi_01.png)]]