| #include "caffe2/operators/index_hash_ops.h" |
| |
| namespace caffe2 { |
| namespace { |
| |
| REGISTER_CPU_OPERATOR(IndexHash, IndexHashOp<CPUContext>); |
| |
| OPERATOR_SCHEMA(IndexHash) |
| .NumInputs(1) |
| .NumOutputs(1) |
| .SetDoc(R"DOC( |
| This operator translates a list of indices into a list of hashed indices. |
| A seed can be fed as an argument to change the behavior of the hash function. |
| If a modulo is speicified, all the hashed indices will be modulo the |
| speicified number. All input and output indices are enforced to be positive. |
| )DOC") |
| .Input(0, "Indices", "Input feature indices.") |
| .Output(0, "HashedIndices", "Hashed feature indices.") |
| .Arg("seed", "seed for the hash function") |
| .Arg("modulo", "must be > 0, hashed ids will be modulo this number"); |
| |
| SHOULD_NOT_DO_GRADIENT(IndexHash); |
| |
| } // namespace |
| } // namespace caffe2 |