contrib# algorithm basic_client basic_server cfl ditto fedavg fedavgm feddyn fednova fedopt fedprox ifca powerofchoice qfedavg scaffold utils_algorithms client_sampler base_sampler divfl importance_sampler mabs power_of_choice uniform_sampler vrb compressor compressor quantization topk dataset adult basic_dataset celeba covtype fcube femnist partitioned_cifar partitioned_cifar10 partitioned_mnist pathological_mnist rcv1 rotated_cifar10 rotated_mnist sent140 shakespeare synthetic_dataset