| 24 | } |
| 25 | |
| 26 | std::string IndexingOneHotKernel::GetKernelBody(TContext* context) const { |
| 27 | std::stringstream axis_init_ss; |
| 28 | std::stringstream writer; |
| 29 | writer << "#include <string.h>\n"; |
| 30 | writer << GenCommonRet() << " "; |
| 31 | writer << GetKernelSignature(context) << "{\n"; |
| 32 | int axis = context->getAttrInt("axis"); |
| 33 | // clang-format off |
| 34 | writer << StringTemplate::StringTemplateArgs(context).add("axis", axis).render( |
| 35 | R"( |
| 36 | float* src = (float*)inputs[0]->ptr; |
| 37 | int* idx = (int*)inputs[1]->ptr; |
| 38 | float* dst = (float*)outputs[0]->ptr; |
| 39 | |
| 40 | const Tensor* src_tensor = inputs[0]; |
| 41 | const Tensor* dst_tensor = outputs[0]; |
| 42 | const Layout src_layout = src_tensor->layout; |
| 43 | const Layout dst_layout = dst_tensor->layout; |
| 44 | |
| 45 | int axis = ${axis}; |
| 46 | int batch = 1; |
| 47 | int elems = 1; |
| 48 | for (int i = 0; i < axis; ++i){ |
| 49 | batch *= src_layout.dims[i]; |
| 50 | } |
| 51 | for (int i = axis + 1; i < src_layout.nr_dim; ++i){ |
| 52 | elems *= src_layout.dims[i]; |
| 53 | } |
| 54 | int batch_stride = src_layout.dims[axis] * elems; |
| 55 | for (int bid = 0; bid < batch; ++bid){ |
| 56 | float* src_ptr = src + bid * batch_stride; |
| 57 | for(int id = 0; id < elems; ++id){ |
| 58 | *dst = src_ptr[*idx * elems + id]; |
| 59 | ++dst; |
| 60 | ++idx; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | return TinyNN_SUCCESS; |
| 65 | })" |
| 66 | ); |
| 67 | // clang-format on |
| 68 | return writer.str(); |
| 69 | } |
| 70 | |
| 71 | } // namespace BareMetal |
| 72 | } // namespace KernelGen |
nothing calls this directly
no test coverage detected