> Writing performance-critical programs can be frustrating because optimizing compilers for imperative languages tend to be unpredictable. A fun example: C opt

> Writing performance-critical programs can be frustrating because optimizing compilers for imperative languages tend to be unpredictable. A fun example: C optimisers are sometimes permitted to optimise away infinite loops. (This is due to the interesting way C is defined, rather than anything inherent to imperative programming.) https://news.ycombinator.com/item?id=13640636 https://news.ycombinator.com/item?id=13640636