I have `R`

scrip that simulates `ARIMA`

data and check the same data 100 times for `ARIMA order ARIMA(p, d, q)`

. I have 2 core on the system CPU, how can I give an `R`

command for a core to compute `1 to 50`

while the second core to compute `51 to 100`

simultaneously and then combine the result so that.

```
library(forecast)
system.time({
for (i in 1:100) {
a <- arima.sim(n = 50, model=list(ar = 0.8), sd = 1)
b <- arimaorder(auto.arima(b, ic = "aicc"))
#print(b)
}
```

I am using windows 10 64 bits

Source: Windows Questions