This page lists some important changes to the product that are reflected in the documentation. For a list of all changes, refer to the
Intel® MPI Library Release Notes or
Intel® MPI Library Release Notes for Windows* OS .
Intel® MPI Library 2021.11 (Intel® oneAPI 2024.0)
- Added new environment variables to Other Environment Variables page:
I_MPI_FILESYSTEM,
I_MPI_FILESYSTEM_FORCE,
I_MPI_FILESYSTEM_CB_NODES,
I_MPI_FILESYSTEM_CB_CONFIG_LIST,
I_MPI_FILESYSTEM_NFS_DIRECT, and
I_MPI_FILESYSTEM_GPFS_DIRECT.
- Deprecated environment variables:
I_MPI_EXTRA_FILESYSTEM and
I_MPI_EXTRA_FILESYSTEM_FORCE.
Intel® MPI Library 2021.10 (Intel® oneAPI 2023.2)
- Added new environment variable
_MPI_OFI_MATCH_COMPLETE to the OFI*-capable Network Fabrics Control page.
- Added the compiler-specific MPI wrappers:
mpiicpx and
mpiicx to the Compiler Commands page.
Additionally, minor updates have been made to fix inaccuracies in the document and improve user experience.
Intel® MPI Library 2021.9 (Intel® oneAPI 2023.1)
- Added
I_MPI_SHM,I_MPI_SHM_CELL_FWD_SIZE, I_MPI_SHM_CELL_BWD_SIZE, I_MPI_SHM_CELL_EXT_SIZE, I_MPI_SHM_CELL_FWD_NUM, I_MPI_SHM_CELL_BWD_NUM, I_MPI_SHM_CELL_EXT_NUM_TOTAL, I_MPI_SHM_CELL_FWD_HOLD_NUM, I_MPI_SHM_SEND_SPIN_COUNT, I_MPI_SHM_RECV_SPIN_COUNT variables to
Shared Memory Control page.
- Added new value forI_MPI_HYDRA_BOOTSTRAP variable.
Intel® MPI Library 2021.8 (Intel® oneAPI 2023.0)
- Added
I_MPI_SPAWN function.
- Added the following CVARs:
I_MPI_OFFLOAD_SYMMETRIC,
I_MPI_OFFLOAD_RDMA,
I_MPI_OFFLOAD_FAST_MEMCPY,
I_MPI_OFFLOAD_IPC.
- Changed default value of
I_MPI_OFFLOAD_PIPELINE_THRESHOLD variable.
Intel® MPI Library 2021.7.1 (Intel® oneAPI 2022.4)
- No documentation changes.
Intel® MPI Library 2021.7 (Intel® oneAPI 2022.3)
- No documentation changes.
Intel® MPI Library 2021.6 (Intel® oneAPI 2022.2)
- No documentation changes.
Intel® oneAPI 2021.5
- Added
hcoll argument for
I_MPI_COLL_EXTERNAL.
- Added
option to Global Options topic.
- Added
I_MPI_COLL_DIRECT variable to I_MPI_ADJUST Family Environment Variables topic.
- No documentation changes.
- Changed the default pinning order to
bunch.
- Added new value for the I_MPI_SHM variable (icx).
- Added new variable I_MPI_HYDRA_BSTRAP_KEEP_ALIVE.
Intel® oneAPI 2021.2
Additionally, minor updates have been made to fix inaccuracies in the document and improve user experience.
- No documentation changes.
Intel® oneAPI Gold
- Removed all content specific to Intel® Parallel Studio XE (see notice on title page).
- Added Intel® Ethernet 800 Series support.
- Added MPI + OpenMP offload examples.
- Added new algorithm for MPI_Sendrecv_replace (I_MPI_ADJUST_SENDRECV_REPLACE=2).
- Reworked directory layout:
- Removed
intel64/.
- Mpivars.[c]sh and
mpi modulefile moved to
env/.
- Mpivars.[c]sh renamed to
vars.[c]sh.
- Removed deprecated symbolic links.
- Removed static libraries for debug configurations.