| 70 | } |
| 71 | |
| 72 | size_t CactusGraph::view(size_t input, const std::vector<size_t>& new_shape) { |
| 73 | const auto& input_buffer = get_output_buffer(input); |
| 74 | |
| 75 | size_t input_elements = 1; |
| 76 | for (size_t dim : input_buffer.shape) { |
| 77 | input_elements *= dim; |
| 78 | } |
| 79 | |
| 80 | size_t new_elements = 1; |
| 81 | for (size_t dim : new_shape) { |
| 82 | new_elements *= dim; |
| 83 | } |
| 84 | |
| 85 | if (input_elements != new_elements) { |
| 86 | throw std::runtime_error("View operation requires total number of elements to remain the same"); |
| 87 | } |
| 88 | |
| 89 | OpParams params{.new_shape = new_shape}; |
| 90 | return add_node(OpType::VIEW, {input}, new_shape, params); |
| 91 | } |
| 92 | |
| 93 | size_t CactusGraph::flatten(size_t input, int start_dim, int end_dim) { |
| 94 | const auto& input_buffer = get_output_buffer(input); |