| 54 | |
| 55 | template <typename... TExtraArgs> |
| 56 | inline size_t OpMethArgs<TExtraArgs...>::hash() const { |
| 57 | XXHash state; |
| 58 | size_t length = 0; |
| 59 | size_t data[1 + 4 * inputs.size() + sizeof...(TExtraArgs)]; |
| 60 | auto append = [&](size_t hash) { data[length++] = hash; }; |
| 61 | append(op->hash()); |
| 62 | for (auto&& i : inputs) { |
| 63 | append(mgb::hash(i.layout.dtype.handle())); |
| 64 | append(mgb::hash(i.comp_node)); |
| 65 | append(mgb::hash(i.layout.ndim)); |
| 66 | append(mgb::hash(i.value.empty())); |
| 67 | } |
| 68 | std::apply([&](auto&&... extras) { (append(mgb::hash(extras)), ...); }, extras); |
| 69 | mgb_assert(length == sizeof(data) / sizeof(size_t)); |
| 70 | state.update(data, sizeof(data)); |
| 71 | return state.digest(); |
| 72 | } |
| 73 | |
| 74 | template <typename TValue, typename... TExtraArgs> |
| 75 | struct OpMethResultCache : std::unordered_map< |