Hello Thanks for that data point. I am using the native clang compilers. I dug into the issue as there was an assertion: Assertion failed in file src/mpid/ch4/netmod/ofi/ofi_init.c at line 1988: mapped_table[i] != FI_ADDR_NOTAVAIL And it is related to this issue: https://github.com/pmodels/mpich/issues/5041 I added the "--with-device=ch3” to my configure and happy to report that I am able to run in parallel. Cheers, Allen Allen Sanderson SCI Institute University of Utah

On Feb 18, 2021, at 2:59 PM, Blaise A Bourdin <[email protected]> wrote:

Hi, Absolutely no issues here when using gcc10 from homebrew both on intel and ARM. Here is my configuration options: ./configure --prefix=$MPICH_HOME \ --enable-fast=all,O3 \ --enable-g=dbg \ --enable-romio \ --enable-shared \ --enable-sharedlibs=gcc-osx \ --with-pm=hydra \ CC=gcc-10 CXX=g++-10 FC=gfortran-10 F77=gfortran-10 \ CFLAGS="-fgnu89-inline -Wno-deprecated" \ CXXFLAGS="-Wno-deprecated" \ FFLAGS="-fallow-argument-mismatch"

Blaise

...

On Feb 18, 2021, at 3:53 PM, Allen Sanderson via discuss <[email protected] <mailto:[email protected]>> wrote:

Hello,

First post to the discussion board. I made the mistake of upgrading to macOS 11.2 (aka Big Sur). I was able to build MPICH 3.4.1 successfully and integrate it with an application. However, when I ran, MPICH crashed. Here is the initial output:

Abort(1) on node 0: Internal error 0 libpmpi.12.dylib 0x00000001068c2159 MPL_backtrace_show + 57 1 libpmpi.12.dylib 0x000000010684e874 MPIR_Assert_fail + 36 2 libpmpi.12.dylib 0x0000000106897bc8 MPIDI_OFI_mpi_init_hook + 4472 3 libpmpi.12.dylib 0x00000001068790d3 MPID_Init + 3091 4 libpmpi.12.dylib 0x00000001066ae70b MPIR_Init_thread + 219 5 libmpi.12.dylib 0x00000001064bb897 MPI_Init + 279

I have not yet dug into the issue any further. Before doing so I wanted to first check to see if others have successfully built and run via macOS 11.2. If so I would appreciate any pointers. If it is known that it will not yet work, that would be good information as well so not to spend anytime digging.

I should note that on another machine, I was wiser and upgraded to macOS 10.5.7 (aka Catalina) and built and ran with 3.3.1 that worked fine running in parallel.

Cheers,

Allen

Allen Sanderson SCI Institute University of Utah

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