.testing: Fix optimized target paths#870
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This fixes the path for the optimized target builds (opt_target) used in the profiling tests. Previously they were pointing to the wrong directories and were never built. Due to oddities of rule order and overrides, the optimized targets were using the latest code. That is, **the perf tests were being run against themselves**. The perf and profile rules now correctly compare optimized output to the optimized target output (typically dev/gfdl).
perf diff output used a relatively small value for comparison (32 chars) which unfortunately does not work for many functions in Fortran modules. This number has been increased to 60, and is now set as a variable within the code.
adcroft
approved these changes
Mar 31, 2025
This was referenced Apr 23, 2025
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This fixes the path for the optimized target builds (opt_target) used in
the profiling tests. Previously they were pointing to the wrong
directories and were never built.
Due to oddities of rule order and overrides, the optimized targets were
using the latest code. That is, the perf tests were being run against
themselves.
The perf and profile rules now correctly compare optimized output to the
optimized target output (typically dev/gfdl).
This PR also contains a minor improvement to the perf comparison script output.