On 30 March 2012 12:24, David C. Rankin <drankinatty@...> wrote:
> On 03/30/2012 09:50 AM, Calvin Morrison wrote:
>>
>> Number of cores tends to perform better -j4 for 4 cores. The +1 thing has
>> been
>> disputed numerous times :)
>>
>
> OK 4 then :)
>
>
> --
> David C. Rankin, J.D.,P.E.
>

If you are an octoput ( 8 hands, 8 cores ) and 9 balls to juggle,
you'll be constantly switching one for another, while the other 7 work
away steadily. With a computer it will constantly be switching between
two processes, causing some overhead.

Calvin