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ATTN: Computer Scientists . . . | by hadji | 2008-03-19 21:30:59 |
| As phoon pointed out, plain capping isn't enough |
by afterburner |
2008-03-19 23:56:16 |
To avoid lockups, you'd have to eliminate resource locking, including memory reservations. It quickly leads to bad stuff happening or back to good old dos days: run only one application at a time.
To avoid deadlocks caused by unavailable resources, you'd have to computationally verify all of the code. And that is both very expensive and impossible for large applications. Not to mention, that the software that does this has bugs, too ;).
If you remember a certain fifth generation x86 based chip from one of the very small processor firms a while back... :P
We are going to need some serious revamping of the programming paradigm to produce highly efficient concurrent code that is highly reliable. So far we've managed because there hasn't been a really simultaneous processing at the hands of every programmer. Now multi core cpus are available to (practically) everyone. |
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