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linux下給cpu加壓

cal 計算 linu sca color time lin linux下 one

計算pi:

time (echo "scale=500;4*a(1)"|bc -l -q)

#!/bin/bash
for i in `seq 1 1000`
do
(time echo "scale=5000; 4*a(1)" | bc -l -q |grep ‘real‘) 2>> pi.log
done

linux下給cpu加壓