[mvapich-discuss] Announcing the release of MVAPICH2-GDR 2.1 GA

[Panda, Dhabaleswar]

The MVAPICH team is pleased to announce the release of MVAPICH2-GDR
2.1 GA.

MVAPICH2-GDR 2.1 GA is based on the standard MVAPICH2 2.1 GA release
and incorporates designs that take advantage of the new GPUDirect RDMA
technology for inter-node data movement on NVIDIA GPUs clusters with
Mellanox InfiniBand interconnect.

Features, Enhancements, and Bug Fixes for MVAPICH2-GDR 2.1 GA are
listed here.

* Features and Enhancements (since MVAPICH2-GDR 2.1rc2)
    - Based on MVAPICH2 2.1
    - CUDA 7.5 compatibility
    - Multi-rail support for loopback design
    - Multi-rail support for medium and large message size for H-H, H-D, D-H,
      and D-D
    - Automatic and dynamic rail and CPU binding
    - Support, optimization, and tuning for CS-Storm architectures
    - Optimization and tuning for point-point and collective operations
    - Support SLURM launcher environment

* Bug Fixes (since MVAPICH2-GDR 2.1rc2)
    - Fix IPC interaction with SLURM
        - Thanks to Mark Klein at CSCS for the report
    - Fix the heterogeneous support where some processes do not use GPUs
        - Thanks to Xavier Lapillonne at meteoswiss for the report
    - Fix for on-demand connection with loopback design
        - Thanks to Mark Klein at CSCS for the report

MVAPICH2-GDR 2.1 GA release requires the following software to be
installed on your system:

  - Mellanox OFED 2.1 or later
  - NVIDIA Driver 331.20 or later
  - NVIDIA CUDA Toolkit 6.0 or later
  - Plugin module to enable GPUDirect RDMA
  - (Strongly recommended) NVIDIA GDRCOPY module

For downloading MVAPICH2-GDR 2.1 GA, associated user guide, and sample
performance numbers please visit the following URL:

http://mvapich.cse.ohio-state.edu

All questions, feedback, bug reports, hints for performance tuning,
and enhancements are welcome. Please post it to the mvapich-discuss
mailing list (mvapich-discuss at cse.ohio-state.edu).

Thanks,

The MVAPICH Team
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