in csrc/config.hpp [177:180]
size_t get_low_latency_rdma_size_hint(int num_max_dispatch_tokens_per_rank, int hidden, int num_ranks, int num_experts) {
auto num_bytes = LowLatencyLayout(nullptr, num_max_dispatch_tokens_per_rank, hidden, num_ranks, num_experts).total_bytes;
return ((num_bytes + NUM_BUFFER_ALIGNMENT_BYTES) / NUM_BUFFER_ALIGNMENT_BYTES) * NUM_BUFFER_ALIGNMENT_BYTES;
}