Delete a debug message

	if (mm_history[read_index].negative_candidates.size() < mm_history[read_index].negative_candidates.capacity() / 2)

		std::vector<struct _candidate>().swap(mm_history[read_index].negative_candidates) ;

    }

    std::cerr<<"cache memusage: " << mm_to_candidates_cache.GetMemoryBytes() <<"\n" ;

#pragma omp taskwait

    num_loaded_reads = num_loaded_reads_for_loading;

    read_batch_for_loading.SwapSequenceBatch(read_batch);