wiki:mpich/test/cpi

Version 4 (modified by wade, 17 years ago) (diff)

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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

Attachments (3)

Download all attachments as: .zip