@inproceedings{ author={ A. Mamidala, J. Liu, D. Panda }, title={ Efficient Barrier and Allreduce on IBA Clusters using Hardware Multicast and Adaptive Algorithms }, conference={ International Conference on Cluster Computing 2004 }, year={ 2004 }, month={ September }, location={ None }, source={ http://nowlab.cse.ohio-state.edu/publications/ }, }