Upgrade to using version 12.3 GNU compilers #4
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spencerkclark
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This appears to be a viable solution to addressing the non-deterministic build issue, but the real cause was determined in #6. |
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Locally this seems to allow me to obtain reproducible builds (at least through four consecutive builds). We'll see if this remains true in additional runs in CI.
Upgrading the compilers could also be done by upgrading the version of the base image as in #3 (currently I am using 22.04) but doing so seems to lead to an odd interaction with MPI (simulations hang in CI, e.g. here). Upgrading to version 12.3 of the GNU compilers specifically, however, also has the benefit that it is closer to what is used on C5 on Gaea (12.2).