No. 15 (00090) Family name : Schwickerath Given name : Ulrich Affiliation : Forschungzentrum Karlsruhe Abbreviation : E-mail address : ulrich.schwickerath@iwr.fzk.de Title : First experiences with the Infiniband Interconnect Authors : Andreas Heiss, Ulrich Schwickerath Abstract : A test system of Dual Intel Xeon server nodes has been equipped with 4x-Infiniband hardware of various manufacturers. The interoperability of the components as well as the performance and scalability of the new cluster interconnect technique has been studied for different parallel computing applications. Furthermore, file transfer methods like for example RFIO have been implemented on the basis of the Infiniband RDMA drivers. The results of the measurements are compared to the results obtained with standard interconnects in low cost Linux clusters, in particular Gigabit Ethernet.