Replace intrinsics in allocate statements

[prathi-wind]

Description

Replace instrinsics in allocate statements and save them in global parameters

Fixes #803

Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Something else

Scope

• This PR comprises a set of related changes with a common goal

If you cannot check the above box, please split your PR into multiple PRs that each have a common goal.

How Has This Been Tested?

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Provide instructions so we can reproduce.
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• Test A
• Test B

Test Configuration:

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Checklist

• I have added comments for the new code
• I added Doxygen docstrings to the new code
• I have made corresponding changes to the documentation (docs/)
• I have added regression tests to the test suite so that people can verify in the future that the feature is behaving as expected
• I have added example cases in examples/ that demonstrate my new feature performing as expected.
  They run to completion and demonstrate "interesting physics"
• I ran ./mfc.sh format before committing my code
• New and existing tests pass locally with my changes, including with GPU capability enabled (both NVIDIA hardware with NVHPC compilers and AMD hardware with CRAY compilers) and disabled
• This PR does not introduce any repeated code (it follows the DRY principle)
• I cannot think of a way to condense this code and reduce any introduced additional line count

If your code changes any code source files (anything in src/simulation)

To make sure the code is performing as expected on GPU devices, I have:

• Checked that the code compiles using NVHPC compilers
• Checked that the code compiles using CRAY compilers
• Ran the code on either V100, A100, or H100 GPUs and ensured the new feature performed as expected (the GPU results match the CPU results)
• Ran the code on MI200+ GPUs and ensure the new features performed as expected (the GPU results match the CPU results)
• Enclosed the new feature via nvtx ranges so that they can be identified in profiles
• Ran a Nsight Systems profile using ./mfc.sh run XXXX --gpu -t simulation --nsys, and have attached the output file (.nsys-rep) and plain text results to this PR
• Ran a Rocprof Systems profile using ./mfc.sh run XXXX --gpu -t simulation --rsys --hip-trace, and have attached the output file and plain text results to this PR.
• Ran my code using various numbers of different GPUs (1, 2, and 8, for example) in parallel and made sure that the results scale similarly to what happens if you run without the new code/feature

[prathi-wind]

Should I make these new global parameters into a derived type like

 type cell_num_bounds
        !> @name Max and min number of cells in a direction of each combination of x-,y-, and z-
        !> @{
        integer :: mn_max, np_max, mp_max, mnp_max
        integer :: mn_min, np_min, mp_min, mnp_min
        !> @}   
end type cell_num_bounds

Or would you like them to be kept as separate variables?

[sbryngelson]

that would be fine i believe

[codecov]

Codecov Report

Attention: Patch coverage is 82.14286% with 5 lines in your changes missing coverage. Please review.

Project coverage is 43.48%. Comparing base (32c0347) to head (e7a4be5).

Files with missing lines	Patch %	Lines
src/common/m_variables_conversion.fpp	0.00%	1 Missing ⚠️
src/simulation/m_global_parameters.fpp	66.66%	1 Missing ⚠️
src/simulation/m_rhs.fpp	0.00%	1 Missing ⚠️
src/simulation/m_riemann_solvers.fpp	0.00%	1 Missing ⚠️
src/simulation/m_viscous.fpp	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #850      +/-   ##
==========================================
+ Coverage   43.42%   43.48%   +0.05%     
==========================================
  Files          68       68              
  Lines       19630    19649      +19     
  Branches     2353     2353              
==========================================
+ Hits         8525     8544      +19     
  Misses       9676     9676              
  Partials     1429     1429              

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