I ported test into java. C++ version runs 16.05s on my computer, Java is bit faster 14.58
https://gist.github.com/jankotek/8fcb8205dbe1b8d131cdac2cc23...
https://gist.github.com/jankotek/8fcb8205dbe1b8d131cdac2cc23...
java Prime
9592 primes between 0 and 100000
Time taken = 18.484
9592 primes between 0 and 100000
Time taken = 18.25
9592 primes between 0 and 100000
Time taken = 18.087
...
C++: https://news.ycombinator.com/item?id=11412820 aptitude install openjdk-8-jdk