guanxinq commented on a change in pull request #17569: Adding sparse support to
MXTensor for custom operators
URL: https://github.com/apache/incubator-mxnet/pull/17569#discussion_r392446027
##########
File path: example/extensions/lib_custom_op/gemm_lib.cc
##########
@@ -140,6 +140,22 @@ MXReturnValue inferType(std::map<std::string,
std::string> attrs,
return MX_SUCCESS;
}
+MXReturnValue inferSType(std::map<std::string, std::string> attrs,
+ std::vector<int> &instypes,
+ std::vector<int> &outstypes) {
+ // validate inputs
+ for (unsigned i = 0; i < instypes.size(); i++) {
+ if (instypes[i] != kDefaultStorage) {
+ std::cout << "Expected input " << i << " to have dense storage type" <<
std::endl;
+ return MX_FAIL;
+ }
+ }
+ for (unsigned i = 0; i < instypes.size(); i++) {
+ outstypes[i] = instypes[0];
Review comment:
Fixed it.
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