* WIP: using object system for graph * c++ side refactoring done; compiled * remove stale apis * fix bug in DGLGraphCreate; passed test_graph.py * fix bug in python modify; passed utest for pytorch/cpu * fix lint * address comments
* WIP * header * WIP .cc * WIP * transpose * wip * immutable graph .h and .cc * WIP: nodeflow.cc * compile * remove all tmp dl managed ctx; they caused refcount issue * one simple test * WIP: testing * test_graph * fix graph index * fix bug in sampler; pass pytorch utest * WIP on mxnet * fix lint * fix mxnet unittest w/ unfortunate workaround * fix msvc * fix lint * SliceRows and test_nodeflow * resolve reviews * resolve reviews * try fix win ci * try fix win ci * poke win ci again * poke * lazy multigraph flag; stackoverflow error * revert node subgraph test * lazy object * try fix win build * try fix win build * poke ci * fix build script * fix compile * add a todo * fix reviews * fix compile
Minjie Wang