Hi all,

I recently found out that R does not utilize fully the Duo Core capability
when you only run one instance of R.
I did some number crunching today and it seems that if I only open 1 R
console, it uses 50% of my CPU (either 50-50 or 100-0 on 2 cores).

Then, I open the second instance and divide the work into two parts, and run
them parallelly, they seems to utilize 100% of my CPU.

So, my question would be that: is the computing result the same if I do them
this way? Will there any mistake compared to running only one instance at a
time?

Thank you all.

-- 
Regards,
Anh Tran

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