eric-haibin-lin commented on a change in pull request #12749: [MXNET-1029]
Feature request: randint operator
URL: https://github.com/apache/incubator-mxnet/pull/12749#discussion_r233208156
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File path: src/operator/random/sampler.h
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@@ -92,6 +92,33 @@ struct UniformSampler {
}
};
+template<typename xpu>
+struct SampleRandIntKernel {
+ template<typename IType, typename OType>
+ MSHADOW_XINLINE static void Map(int id, RandGenerator<xpu, OType> gen,
+ const int N, const int step,
+ index_t nParm, index_t nSample,
+ const IType *lower, const IType *upper,
OType *out) {
+ RNG_KERNEL_LOOP(xpu, OType, id, gen, N, step, {
+ index_t nBatch(1 + (nSample - 1) / nParm);
+ out[i] = OType(genImpl.discrete_uniform(lower[i / nBatch], upper[i /
nBatch]));
Review comment:
call genImpl.rand<IType>()
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