rondogency opened a new pull request #17762: Custom Operator Random Number Generator Support URL: https://github.com/apache/incubator-mxnet/pull/17762 ## Description ## Add random number generator support for custom operator libraries. Custom library now can call MXNet random number generator to get random numbers through OpResource class in forward/backward computation. ## Checklist ## ### Essentials ### Please feel free to remove inapplicable items for your PR. - [ ] The PR title starts with [MXNET-$JIRA_ID], where $JIRA_ID refers to the relevant [JIRA issue](https://issues.apache.org/jira/projects/MXNET/issues) created (except PRs with tiny changes) - [ ] Changes are complete (i.e. I finished coding on this PR) - [ ] All changes have test coverage: - Unit tests are added for small changes to verify correctness (e.g. adding a new operator) - Nightly tests are added for complicated/long-running ones (e.g. changing distributed kvstore) - Build tests will be added for build configuration changes (e.g. adding a new build option with NCCL) - [ ] Code is well-documented: - For user-facing API changes, API doc string has been updated. - For new C++ functions in header files, their functionalities and arguments are documented. - For new examples, README.md is added to explain the what the example does, the source of the dataset, expected performance on test set and reference to the original paper if applicable - Check the API doc at https://mxnet-ci-doc.s3-accelerate.dualstack.amazonaws.com/PR-$PR_ID/$BUILD_ID/index.html - [ ] To the best of my knowledge, examples are either not affected by this change, or have been fixed to be compatible with this change ### Changes ### - change lib_api.h OpResource class to support all random number generator API calls and returns the generated number - change c_api.cc to init the RandomGenerator object when custom library invokes any API calls, and eventually invokes MXNet functions to generator random numbers - currently we use GPU RNG whenever possible ## Comments ## this is a continuation of the custom operator project #15921 and #17270
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