| 41 | } |
| 42 | |
| 43 | bool FetchServerDistribution(int shard_num, int* ns_size, vec_float_t* probs) { |
| 44 | std::vector<vec_int_t> node_freqs_list; |
| 45 | auto* op = graph_op::DistGSOpFactory::GetInstance()->LookupOrCreate( |
| 46 | "DistMetaLookuper"); |
| 47 | DXCHECK(op != nullptr); |
| 48 | if (!dynamic_cast<graph_op::DistMetaLookuper*>(op)->Run(&node_freqs_list)) { |
| 49 | DXERROR("Failed to fetch server distribution."); |
| 50 | return false; |
| 51 | } |
| 52 | |
| 53 | DXINFO("Fetching server distribution..."); |
| 54 | *ns_size = (int)node_freqs_list.size(); |
| 55 | float_t freq_sum = 0; |
| 56 | vec_float_t freq_sums(shard_num, 0); |
| 57 | for (int i = 0; i < shard_num; ++i) { |
| 58 | for (int j = 0; j < *ns_size; ++j) { |
| 59 | freq_sum += node_freqs_list[j][i]; |
| 60 | freq_sums[i] += node_freqs_list[j][i]; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | // fill |
| 65 | probs->resize(shard_num, 0.0); |
| 66 | for (int i = 0; i < shard_num; ++i) { |
| 67 | if (freq_sum != 0) { |
| 68 | (*probs)[i] = 1.0f * freq_sums[i] / freq_sum; |
| 69 | DXINFO("Server prob[%d] is: %f.", i, (*probs)[i]); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | DXINFO("Done."); |
| 74 | return true; |
| 75 | } |
| 76 | |
| 77 | } // namespace |
| 78 |
no test coverage detected