minimal training time benchmark

[szilard]

vs h2o/xgboost/lightgbm:
szilard/GBM-perf#4

also see this:
https://github.com/szilard/benchm-ml

[annaveronika]

• need to do benchmark on criteo
  https://github.com/rambler-digital-solutions/criteo-1tb-benchmark

[annaveronika]

Would be really cool if someone helped with the benchmarks!

[annaveronika]

https://github.com/catboost/benchmarks/tree/master/training_speed - finally here is the training speed benchmark! In covers both, cpu and gpu. We are happy to hear any feedback!

[annaveronika]

Sorry for desinformation. This is a draft version of the speed benchmark, we will update it soon.