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Probably the same reason Netflix used/uses Chaos Monkey to actually cause problems, rather than just relying on training aids. You need to find the problems yo
by pigbearpig 5y ago
Probably the same reason Netflix used/uses Chaos Monkey to actually cause problems, rather than just relying on training aids.
You need to find the problems you didn't anticipate.
- topspin 5y agoWe've got submarine crews that can't avoid smashing nuclear powered warships into sea mounts. Switching off the crutches seems like a very necessary training approach.
- SavantIdiot 5y agoI spent years working on CPU validation. One classic method is random template based injection. You do three setup things: 1) pick a bunch of registers and busses that you will toggle to 1/0 in the RTL, 2) then code a bunch of mutexes of things that absolutely cannot happen (e.g., and AND cannot act like an XOR), 3) and then write checkers that look for bad conditions that should not happen. Then you press go literally run "coverage" by generating trillions of random test patterns and see if they toggle checker failures. There are behavioral tricks to reduce the search space (hierarchy helps), but it is one classic method. It can only be done a few times, so you really have to nail down your revision before you each up weeks of compute time on thousands of servers running random noise!