MVAPICH

{{refimprove|date=May 2024}}

{{Infobox Software

|name = MVAPICH

|latest release version = 3.0

|latest release date = {{Start date and age|2024|02|16}}

|operating system = Unix, Linux

|genre = Library

|license = New BSD License (free software)

|website = {{url|http://mvapich.cse.ohio-state.edu/}},{{url|https://mug.mvapich.cse.ohio-state.edu}}

}}

MVAPICH, also known as MVAPICH2, is a BSD-licensed implementation of the MPI standard developed by Ohio State University.{{cite web|title=MVAPICH Home|url=https://mvapich.cse.ohio-state.edu/|accessdate=2021-04-14}}{{cite web|title=MVAPICH at NVIDIA Developer|date=May 2012 |url=https://developer.nvidia.com/mvapich|accessdate=28 March 2016}} MVAPICH comes in a number of flavors:{{cite web|title=MVAPICH :: Overview|url=https://mvapich.cse.ohio-state.edu/overview/|accessdate=2024-05-17}}

• MVAPICH2 ("renamed" as "MVAPICH" with the 3.0 releases{{cite web|title=MVAPICH 3.0 release changelog|url=https://mvapich.cse.ohio-state.edu/static/media/mvapich/MVP-3.0-CHANGELOG.txt|accessdate=2024-05-17}}), with support for InfiniBand, iWARP, RoCE, and Intel Omni-Path
• MVAPICH2-X, with support for PGAS and OpenSHMEM
• MVAPICH2-GDR, with support for InfiniBand and NVIDIA and AMD GPUs {{cite web|title=MVAPICH2-GDR 2.3.7 Changelog|url=https://mvapich.cse.ohio-state.edu/static/media/mvapich/MV2GDR_CHANGELOG.txt|accessdate=2024-05-17}}
• MVAPICH-PLUS, an enhanced fusing of MVAPICH2-X and MVAPICH2-GDR beginning its releases in 2023/24 with the 3.0 series.
• MVAPICH2-MIC, with support for InfiniBand and Intel MIC
• MVAPICH2-Virt, with support for InfiniBand and SR-IOV
• MVAPICH2-EA, which is energy-aware and supports InfiniBand, iWARP, and RoCE