samskalicky commented on a change in pull request #17762: Custom Operator
Random Number Generator Support
URL: https://github.com/apache/incubator-mxnet/pull/17762#discussion_r399433340
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File path: src/c_api/c_api.cc
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@@ -248,11 +251,24 @@ void CustomFComputeDispatcher(const std::string op_name,
// get actual cudaStream_t out of mxnet gpu stream and pass to lib_api.h
void *cuda_stream = nullptr;
#if MXNET_USE_CUDA
- if (inputs[0].ctx().dev_mask() == Context::kGPU) {
+ if (inputs.size() > 0 && inputs[0].ctx().dev_mask() == Context::kGPU) {
cuda_stream = static_cast<void*>(gpu_stream->stream_);
}
#endif
+ // get mxnet initialized and seeded RNG states and pass to lib_api.h
+ void *rng_cpu_states = nullptr, *rng_gpu_states = nullptr;
+ if (!is_subgraph_op) {
Review comment:
why are we only doing this for non-subgraph ops? Subgraph ops cant get RNG?
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