* Adding initial unit test and Jenkins code.
Fixing scope of unit tests
Adding unit tests and files for CI
Fixing Jenkinsfile
* Removing typos from Jenkinsfile
* Making some fixes to the Jenkins file; temporarily disabling MPI
* Making corrections to Jenkinsfile
* Correcting dockerNodes entry in Jenkinsfile
* Fixed Jenkinsfile for CI
* Correcting Jenkinsfile for CI
* Updating README to include instructions on how to run unit tests.
[ROCm/rccl-tests commit: 924521ff57]
Major rework to merge most of the changes from the NCCL internal
tests into the public ones
Added "-m <agg_iters>" operation aggregation option.
Data integrity checking is now much more performant at scale.
Startup times at scale are improved.
Test latency units are now displayed in usec.
[ROCm/rccl-tests commit: cbe7f65400]
Wenkai Du
David Addison
Sylvain Jeaugey
Stanley Tsang