High Performance

GPI-2 aims at high performance, delivering wire-speed from the interconnect. It relies on one-sided and asynchronous communication that allow a perfect overlap between computation and communication. See some results.


GaspiCxx is a C++ interface for GPI-2 which aims for productivity.

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Fault Tolerance

System reliability is increasingly important to applications that aim at execution on hundreds of thousands of cores. GPI-2 offers mechanisms that allow applications to react to failures and continue its execution.


A scalable solver library for sparse linear systems based on GPI-2.

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Open Source

GPI-2 is an open source implementation of the GASPI standard and freely available to application developers and researchers. Go  to the Download section to obtain GPI-2. For commercial users we offer a comercial license and support. Contact us!


GPI CP is an open-source In-Memory Checkpointing Library.

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