6
votes
3answers
883 views

Japanese Multiplication simulation - is a program actually capable of improving calculation speed?

On SuperUser, I asked a (possibly silly) question about processors using mathematical shortcuts and would like to have a look at the possibility at the software application of that concept. I'd like ...
14
votes
6answers
3k views

How often do CPUs make calculation errors?

In Dijkstra's Notes on Structured Programming he talks a lot about the provability of computer programs as abstract entities. As a corollary, he remarks how testing isn't enough. E.g., he points out ...