3 ms·
ensuring that exactly the same number of instructions are executed each time a thread is scheduled AFAIK this is possible by (mis)using performance counters.
by wmf 3y ago
ensuring that exactly the same number of instructions are executed each time a thread is scheduled
AFAIK this is possible by (mis)using performance counters.
- wwilson 3y agoAlex discusses this in the post. Performance counters were the first thing we tried, but alas they're non-deterministic about every one-in-a-trillion instructions.