GitLab

* fix perf.

* fix.

* accelerate metis.

* fix lint.

* use gklib.

* fix perf.

* fix.

* update metis.

* update launch script

* handle synchronized API.

* fix.

* fix example.

* fix dataloader.

* temp fix.

* temp fix omp.

* distinguish roles.

* initialize iterator of DistDataloader correctly.

* check the correctness of launch script.

* move feature copy to sampler.

* measure mem/network copy time.

* remove

* Revert "measure mem/network copy time."

This reverts commit 86cefdc14b7815fcf5aad6496af912dba48e4aa6.

* fix.

* fix

* fix.

* fix cmake.

* disable metis in windows.

* disable metis tests in windows.

* remove test for multigraph.

* fix test.

* fix.

* fix cmake.

* fix.

* revert.
Co-authored-by: Ubuntu <ubuntu@ip-172-31-19-115.us-west-2.compute.internal>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-19-1.us-west-2.compute.internal>