dc61bca066
* Add thread, wavefront, and workgroup-level `barrier` APIs in IPC and RO conduits; remove collectives on default context - Implemented `barrier` APIs for thread, wavefront, and workgroup scopes - Added support into both IPC and RO conduits - Added functional tests to cover all `barrier` APIs - Removed collective operations on default context * Add thread, wavefront, and workgroup-level `sync` APIs in IPC and RO conduits. - Implemented `sync` APIs for thread, wavefront, and workgroup scopes - Added support into both IPC and RO conduits - Added functional tests to cover all `sync` APIs * update naming convention for context-based `barrier` APIs