> It is very different with better compiler though : > > $ ldmd2 -release -O a.d > $ ./appendertest > Appender.put :378 ms, 794 μs, and 9 hnsecs > Appender ~= :378 ms, 416 μs, and 3 hnsecs > Std array :2 secs, 222 ms, 256 μs, and 2 hnsecs > Std array.reserve :2 secs, 199 ms, 64 μs, and 5 hnsecs > Array :349 ms and 250 μs > Array.reserve :347 ms, 694 μs, and 1 hnsec > new T[]() :37 ms, 989 μs, and 8 hnsecs > uninitializedArray :39 ms, 333 μs, and 3 hnsecs > > (size 10_000)
OK, same here, except std array gives me only 1.4 s, while the other timings are about the same. (0.14 alpha2 : ldmd2 -O -inline). Drat, that means testing on many different compilers. Oh well, let's start small: pre-allocating, better algorithms, then I'll do real speed instrumentation.
