Intel® MPI Library 4.1 Update 1 Readme

The Intel® MPI Library for Linux* and Windows* is a high-performance interconnect-independent multi-fabric library implementation of the industry-standard Message Passing Interface, v2.2 (MPI-2.2) specification. This package is for MPI users who develop on and build for IA-32 and Intel® 64 architectures on Linux* and Windows*, as well as customers running on the Intel® Xeon Phi™ coprocessor on Linux*. You must have a valid license to download, install and use this product.

The Intel® MPI Library 4.1 Update 1 for Linux* and Windows* packages are now ready for download. The Intel® MPI Library is available as a stand-alone product and as part of Intel® Cluster Studio 2013 and Intel® Cluster Studio XE 2013. Please visit the Intel® Software Evaluation Center to evaluate this product.

New in this release on Linux*:

  • Improved MPI application performance and scalability
    • Better scalability for the OFA fabric
    • Improved support for Non-Uniform Memory Access* (NUMA*) applications and advanced process pinning controls
    • Addition of a DAPL* auto-provider functionality for selecting the best fabric at startup
  • Extended support for the Intel® Xeon Phi™ Coprocessor architecture for improved bandwidth and latency through:
    • Coprocessor Communication Link (CCL) support
    • Native port of the Tag Matching Interface (TMI) over the QLogic* PSM fabric
    • Extending support for Berkley Lab Checkpoint/Restart (BLCR*)
  • Backwards compatibility with existing Intel® MPI Library 4.x applications
  • New GUI-based installer
  • And several bug fixes for general stability and performance

New in this release on Windows*:

  • Highly scalable Hydra Process Manager ported to Windows* OS
  • Support for Microsoft* Network Direct enabling low-latency RDMA devices
  • Added support for the Intel® Xeon Phi™ Coprocessor offload model

Refer to the Intel® MPI Library 4.1 Update 1 Release Notes for more details.

Contents:

  • Intel® MPI Library 4.1 Update 1 for Linux*
    • File: l_mpi_p_4.1.1.036.tgz

      A file containing the complete product installation for Linux (32-bit/x86-64bit/Intel® Xeon Phi™ coprocessor development)

    • File: l_mpi-rt_p_4.1.1.036.tgz

      A file containing the free runtime environment installation for Linux (32-bit/x86-64bit/Intel® Xeon Phi™ coprocessor development)

  • Intel® MPI Library 4.1 Update 1 for Windows*
    • File: w_mpi_p_4.1.1.036.exe

      A file containing the complete product installation for Windows (32-bit/x86-64bit development)

    • File: w_mpi-rt_p_4.1.1.036.exe

      A file containing the free runtime environment installation for Windows (32-bit/x86-64bit development)

For more complete information about compiler optimizations, see our Optimization Notice.