https://community.intel.com/t5/Intel-Fortran-Compiler/coarray-and-coroutines-communications-using-mixed-infiniband/m-p/1696465#M176054 <P>Hello,</P><P>I am using a cluster with two generations of infiniband networks : EDR and HDR. The HDR network is configured to be compatible with the EDR one, through 100 Gb/s.</P><P>This mixed network works fine with the intel mpi library (using mpi or mpi_f08 modules).</P><P>But using coarrays or coroutines (tested with co_sum and co_broadcast), the program just indefinitely freeze before doing anything.</P><P>When using only EDR or HDR network only, the program works just fine.</P><P>Any help would be appreciated.</P><P>Regards,</P><P>B. Mary</P> Wed, 11 Jun 2025 15:32:50 GMT bclmary 2025-06-11T15:32:50Z https://community.intel.com/t5/Intel-Fortran-Compiler/coarray-and-coroutines-communications-using-mixed-infiniband/m-p/1696465#M176054 <P>Hello,</P><P>I am using a cluster with two generations of infiniband networks : EDR and HDR. The HDR network is configured to be compatible with the EDR one, through 100 Gb/s.</P><P>This mixed network works fine with the intel mpi library (using mpi or mpi_f08 modules).</P><P>But using coarrays or coroutines (tested with co_sum and co_broadcast), the program just indefinitely freeze before doing anything.</P><P>When using only EDR or HDR network only, the program works just fine.</P><P>Any help would be appreciated.</P><P>Regards,</P><P>B. Mary</P> Wed, 11 Jun 2025 15:32:50 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/coarray-and-coroutines-communications-using-mixed-infiniband/m-p/1696465#M176054 bclmary 2025-06-11T15:32:50Z