The number of organizations using MVAPICH2 libraries has crossed 2,600. The number of downloads from the MVAPICH site has crossed 0.37 million (376,000). The MVAPICH team would like to thank all its users and organizations!!

MVAPICH2 drives 10th ranked 5+ Petaflop TACC Stampede system with 519,640 cores, InfiniBand FDR and Intel MIC [more]

Welcome to this web page related to "MPI over InfiniBand, 10GigE/iWARP and RDMA over Converged Ethernet (RoCE)" project, lead by Network-Based Computing Laboratory (NBCL) of The Ohio State University. The MVAPICH2 software, supporting MPI 3.0 standard, delivers best performance, scalability and fault tolerance for high-end computing systems and servers using InfiniBand, 10GigE/iWARP and RoCE networking technologies. This software is being used by more than organizations world-wide in 80 countries (Current Users) to extract the potential of these emerging networking technologies for modern systems. As of , more than downloads have taken place from this project's site. This software is also being distributed by many InfiniBand, 10GigE/iWARP and RoCE vendors in their software distributions. The MVAPICH2-X software package provides support for hybrid MPI+PGAS (UPC and OpenSHMEM) programming models with unified communication runtime for emerging exascale systems. The MVAPICH2-GDR package provides support for clusters with NVIDIA GPUs supporting the GPUDirect RDMA feature. The MVAPICH2-Virt package provides support for high performance and scalable MPI in a cloud computing environment with InfiniBand and SR-IOV. The MVAPICH2-MIC package provides support for clusters with Intel MIC coprocessors. MVAPICH2 software is powering several supercomputers in the TOP 500 list. Examples (from the Nov '15 ranking) include:

  • 10th, 519,640-core (Stampede) at TACC
  • 13th, 185,344-core (Pleiades) at NASA
  • 25th, 76,032-core (Tsubame 2.5) at Tokyo Institute of Technology

This project is supported by funding from U.S. National Science Foundation, U.S. DOE Office of Science, Ohio Board of Regents, ODOD, Cisco Systems, Cray, Intel, Linux Networx, Mellanox, NVIDIA, QLogic, and Sun Microsystems; and equipment donations from Advanced Clustering, AMD, Appro, Chelsio, Dell, Fulcrum, Fujitsu, Intel, Mellanox, Microway, NetEffect, QLogic and Sun. Other technology partner includes: TotalView Technologies.


(NEW) MVAPICH2-GDR 2.2rc1 (based on MVAPICH2 2.2rc1) with support for high-performance non-blocking send operations, enhanced Intranode CUDA Managed-Aware communication, GPU-based tuning framework for Bcast and Gather, and support for RDMA-CM communication [more]

(NEW) OSU InfiniBand Network Analysis and Monitoring (INAM) Tool 0.9.1 with support to find routes starting from / ending on the selected node, capability to view link utilization for a user-specified link, enhanced load time, and support for using internal graph rendering library and features in conjunction with MVAPICH2-X 2.2rc1 is available. [more]

MVAPICH2 2.2rc1 with support for OpenPower, Omni-Path (PSM2) and ROCEv2, enhanced startup performance and reduced memory footprint with SLURM together with the availability of an updated patch, enabling affinity by default for TrueScale (PSM) and Omni-Path (PSM2) channels, architecture-detection for PSC Bridges system, optimization and tuning for TACC Chameleon system, and hwloc version 1.11.2 is available. [more]

MVAPICH2-X 2.2rc1 introducing support for UPC++ and MPI+UPC++; MPI support for OpenPower, Omni-Path, and RoCEv2; UPC, OpenSHMEM and CAF support for OpenPower and RoCEv2; hybrid MPI+UPC and MPI+OpenSHMEM support for OpenPower and support for INAM 0.9 is available. [more]

OMB 5.3 with support for UPC++ benchmarks and fix for OpenSHMEM benchmarks on OpenPower machines is available. [more]

4th Annual MVAPICH User Group (MUG) Meeting to take place on August 15-17, 2016 in Columbus, Ohio, USA. Click here for more details.

Upcoming Tutorials: IB and HSE at ISC '16

MVAPICH2-GDR 2.2b (based on MVAPICH2 2.2b) with support for CUDA-Aware Managed Memory (inter-node and intra-node communication with managed memory pointers and heterogeneous programming with both managed memory and traditional allocation) is available. [more]

MVAPICH2-Virt 2.1 GA (based on MVAPICH2 2.1 GA) with support for efficient MPI communication over SR-IOV enabled InfiniBand network, integration with OpenStack, high-performance and locality-aware MPI communication with IVSHMEM, automatic communication channel selection among SR-IOV, IVSHMEM and CMA/LiMIC2 is available. [more]

MVAPICH2-EA (Energy-Aware) 2.1 with energy-efficient support for IB, RoCE and iWARP, user defined energy-performance trade-off levels, and compatibility with OEMT is is available. [more]

OSU Energy Management Tool (OEMT) 0.8 to measure the energy consumption of MPI applications is available. [more]

MVAPICH2-MIC 2.0 (based on MVAPICH2 2.0.1) with optimized pt-to-pt and collective support for native, symmetric and offload modes on clusters with Intel MICs (Xeon Phis) is available. [more]