Spike sim with N-Trace support

[radiolok]

The page with N-Trace compression results
Provide a statistics for BTM and HTM variants, but doesn't provide a Spike sources with N-Trace support.

How to build or where to get the version of spike with N-Trace, or external solution was use to provide the trace?
There is a PR to Spike, but decoder support a BTM mode only.

[mipsrobert]

Reference code was only using Spike logs (PC sequences). Please look inside of reference code tree how this was done.
PS. Thanks for pointing to this Spike PR. I will take a look.