Thanks for your reply. I faced the same issues with C. How much ram do use on the machine you are compiling the forests on ? On Thu, Jun 27, 2019, 5:05 PM NightStrike <nightstrike@xxxxxxxxx> wrote: > On Thu, Jun 27, 2019 at 9:38 AM Mikail Yayla > <mikail.yayla@xxxxxxxxxxxxxx> wrote: > > > > Hello, > > > > I would like to compile a random forest model with g++. > > The model has a depth of 20, with 25 trees (for the code, see > > https://github.com/myay/RF). > > The code of the model is generated such that the code of every tree is > > inserted subsequently, thus we have a file with around 500000 lines of > code. > > The model however cannot be compiled with any of the optimizations > enabled > > (-O3, O2, etc.), as the compilation does not terminate and the system may > > become unresponsive because the ram is filled by the compilation. > > Without the optimizations flag, the compilation succeeds normally. > > Does anyone know why the optimizations flag cannot be used in this case ? > > > > Best, > > Mikail > > I do a random forest that's over a gigabyte of if statements. It > takes about 4 hours to compile, but it does complete (-O3, > -march=native). Adding more memory helps a lot. I use C, though, not > C++. >
