Version 1.0.0 Release
Besides support for GPUs this version also features massive improvements to single process per node and initialization performance as well as lookahead, not to mention the many improvements in small details that help with things as debugging the code and the system.
You can download the tarball from the files section or get the source via tag
v1.0.0 from the git repository. Installation instruction can be found in the wiki. If you are interested in some more in depth information you should have a look at the Technical Report that was published along with CALDGEMM 1.0.0.