Was the idea to improve performance?
Yes, when used properly it did out perform the competition.
Yes but the modest improvement in output over the 360 was clearly not worth it
It is, and it does provide improved performance at the expense of complexity. Both India and the US Air Force actually used clusters of PS3s to create supercomputers.
https://en.m.wikipedia.org/wiki/Cell_(processor) has some more details as well
Was the idea to improve performance?
Yes, when used properly it did out perform the competition.
Yes but the modest improvement in output over the 360 was clearly not worth it
It is, and it does provide improved performance at the expense of complexity. Both India and the US Air Force actually used clusters of PS3s to create supercomputers.
https://en.m.wikipedia.org/wiki/Cell_(processor) has some more details as well