66971c1aa4
[Feature] Add edge sampling for link prediction ( #780 )
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* add edge sampler.
* add test and run.
* add negative sampling.
* remap the edge subgraph vid.
* negative graph excludes edges of positive edgs.
* remove print.
* avoid sampling NodeFlow when expand_factor or num_hops is 0.
* fix a bug when excluding nodes in negative graph.
* support multigraph.
* exclude positive edges.
* fix memory leak.
* return subgraph object directly.
* fix many problems.
* add comments.
* address comments
2019-08-21 23:05:24 -07:00
e9e587b6cb
[Refactor] C random number generator ( #729 )
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* rng refactor
* fix bugs
* unit test
* remove setsize
* lint
* fix test
* use explicit instantiation instead of inlining
* stricter test
* use tvm solution
* moved python interface to dgl.random
* lint
* address comments
* make getthreadid an inline function
2019-07-31 17:54:30 +08:00
5d494c6207
[RPC] add C++ RPC infrastructure and distributed sampler ( #465 )
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* add C++ rpc infrastructure and distributed sampler
* update
* update lint
* update lint
* update lint
* update
* update
* update
* updare
* update
* update
* update
* update serialize and unittest
* update serialize
* lint
* update
* update
* update
* update
* update
* update
* update unittest
* put Finalize() to __del__
* update unittest
* update
* delete buffer in Finalize
* update unittest
* update unittest
* update unittest
* update unittest
* update
* update
* fix small bug
* windows socket impl
* update API
* fix bug in serialize
* fix bug in serialzie
* set parent graph
* update
* update
* update
* update
* update
* update
* fix lint
* fix lint
* fix
* fix windows compilation error
* fix windows error
* change API to lower-case
* update test
* fix typo
* update
* add SamplerPool
* add SamplerPool
* update
* update test
* update
* update
* update
* update
* add example
* update
* update
2019-03-29 16:48:45 +08:00
fb4246e564
[Feature]Uniform layer-wise sampler ( #416 )
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* migrate to node-flow
* uniform layer sampler test cases
* more test cases
* documentations
* fix lint errors
* fix lint errors
* fix lint errors
* iota
* add asnumpy
* requested changes
* fix indptr error
* fix lint errors
* requested changes & fix lint errors
* fix lint errors
* fix LayerSampler unit test
2019-03-02 16:37:18 -08:00
2e1cbd5d68
[Feature] Random walk traces generation ( #392 )
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* random walk traces generation
* remove outdated comments
* oops put in the wrong place
* explicit inline
* moving rand_r to util
* moving random walk to public function
* per-thread seed and openmp support
* type cast styles
2019-02-20 10:41:59 -05:00
2389df8155
[API] Subgraph sampling API. ( #138 )
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* add neighbor sampler.
* fix sampler.
* handle non-existing nodes differently in MapParentIdToSubgraphId.
* fix sampling tests.
* parallelize sampling.
* add more tests.
* fix a bug in subgraph loader.
* get number of sampled nodes directly.
* load mxnet CSR to DGLGraph directly.
* create graph from mxnet csr array directly.
* use subgraph loader in SSE.
* fix a bug in sampling.
* output framework tensor.
* fix.
* remove unnecessary code.
* fix tests.
* add SSE README.
* move to contrib.
* address comments.
* add tests.
2018-11-14 13:51:27 -08:00
Da Zheng