I just found Project Euler, and tried to solve the first problem. https://gist.github.com/1007840
I did four implementations: template, ctfe, parallel foreach and parallel map.
The template implementation works on low numbers, but not on 1000 (haven't checked when it fails). It gives me the following error: euler1.d(23): Error: template instance euler1.SumMultiple3Or5(499LU,Below,57918LU) recursive expansion
The parallel foreach loop works good on low numbers, but when increasing BOLOW it starts giving wrong results. The higher the number, the more often it calculates wrong results.
This is tested on dmd 2.053 on a dual core Win7.
