Welcome to the new IBM Spectrum MPI Community Edition

Thank you for your interest!

IBM Spectrum MPI Community Edition (CE) v10.4 is a high-performance, production-quality implementation of the Message Passing Interface (MPI).

It is widely used in the high-performance computing (HPC) industry, including some of the fastest (top500.org) supercomputers.  It is based on the Open MPI v4.0 open source implementation of the MPI 3.1 standard.

IBM Spectrum MPI CE:

  • Accelerates application performance in distributed computing environments.
  • Provides a familiar, portable interface based on the open-source MPI and MPI standard.
  • Enables easy porting of applications to other platforms to help accelerate time to market and improve application quality.

Note: This community edition is licensed for a maximun of 18 servers, and does not include support from IBM.

Action Required:

This is a no cost program. To participate, please click on the 'Continue to Agreement' button below. This agreement allows IBM to share confidential information related to in-progress product roadmaps and designs and incorporate your shared feedback into our future products and services. Please note that clients are asked not to share their confidential information.


IBM's statements regarding its plans, directions and intent are subject to change or withdrawal without notice at IBM's sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion.