For anyone interested in looking at or running ND4J benchmarks, these links may be useful.

https://github.com/treo/benchmarking_nd4j/tree/master/src/ma...

deeplearning4j.org/native http://deeplearning4j.org/workspaces

We have our own garbage collection as well as native config and off heap memory management.

We use this

https://github.com/deeplearning4j/deeplearning4j/blob/master...

to specify use of MKL.