MFC
Exascale flow solver
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m_checker_common.fpp.f90
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1# 1 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
2!>
3!!@file
4!!@brief Contains module m_checker_common
5
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7! This file exists so that Fypp can be run without generating case.fpp files for
8! each target. This is useful when generating documentation, for example. This
9! should also let MFC be built with CMake directly, without invoking mfc.sh.
10
11! For pre-process.
12# 8 "/home/runner/work/MFC/MFC/src/common/include/case.fpp"
13
14! For moving immersed boundaries in simulation
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252! New line at end of file is required for FYPP
253# 4 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp" 2
254
255! GPU parallel region (scalar reductions, maxval/minval)
256# 23 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
257
258! GPU parallel loop over threads (most common GPU macro)
259# 43 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
260
261! Required closing for GPU_PARALLEL_LOOP
262# 55 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
263
264! Mark routine for device compilation
265# 112 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
266
267! Declare device-resident data
268# 130 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
269
270! Inner loop within a GPU parallel region
271# 145 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
272
273! Scoped GPU data region
274# 164 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
275
276! Host code with device pointers (for MPI with GPU buffers)
277# 193 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
278
279! Allocate device memory (unscoped)
280# 207 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
281
282! Free device memory
283# 219 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
284
285! Atomic operation on device
286# 231 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
287
288! End atomic capture block
289# 242 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
290
291! Copy data between host and device
292# 254 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
293
294! Synchronization barrier
295# 266 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
296
297! Import GPU library module (openacc or omp_lib)
298# 275 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
299
300! Emit code only for AMD compiler
301# 282 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
302
303! Emit code for non-Cray compilers
304# 289 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
305
306! Emit code only for Cray compiler
307# 296 "/home/runner/work/MFC/MFC/src/common/include/parallel_macros.fpp"
308
309! Emit code for non-NVIDIA compilers
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317# 14 "/home/runner/work/MFC/MFC/src/common/include/macros.fpp"
318
319! Caution: This macro requires the use of a binding script to set CUDA_VISIBLE_DEVICES, such that we have one GPU device per MPI
320! rank. That's because for both cudaMemAdvise (preferred location) and cudaMemPrefetchAsync we use location = device_id = 0. For an
321! example see misc/nvidia_uvm/bind.sh.
322# 52 "/home/runner/work/MFC/MFC/src/common/include/macros.fpp"
323
324! Allocate and create GPU device memory
325# 72 "/home/runner/work/MFC/MFC/src/common/include/macros.fpp"
326
327! Free GPU device memory and deallocate
328# 80 "/home/runner/work/MFC/MFC/src/common/include/macros.fpp"
329
330! Cray-specific GPU pointer setup for vector fields
331# 104 "/home/runner/work/MFC/MFC/src/common/include/macros.fpp"
332
333! Cray-specific GPU pointer setup for scalar fields
334# 120 "/home/runner/work/MFC/MFC/src/common/include/macros.fpp"
335
336! Cray-specific GPU pointer setup for acoustic source spatials
337# 145 "/home/runner/work/MFC/MFC/src/common/include/macros.fpp"
338
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343# 7 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp" 2
344
345!> @brief Shared input validation checks for grid dimensions and AMD GPU compiler limits
346module m_checker_common
347
348 use m_global_parameters
349 use m_mpi_proxy
350 use m_helper_basic
351 use m_helper
352
353 implicit none
354
355 private; public :: s_check_inputs_common
356
357contains
358
359 !> Checks compatibility of parameters in the input file. Used by all three stages
360 impure subroutine s_check_inputs_common(check_total_cells, n_global)
361
362 logical, intent(in) :: check_total_cells
363 integer(kind=8), intent(in) :: n_global
364
365 if (check_total_cells) call s_check_total_cells(n_global)
366# 32 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
367
368 end subroutine s_check_inputs_common
369
370 !> Verify that the total number of grid cells meets the minimum required by the number of dimensions and MPI ranks.
371 impure subroutine s_check_total_cells(n_global)
372
373 character(len=18) :: numstr !< for int to string conversion
374 integer(kind=8) :: min_cells
375 integer(kind=8), intent(in) :: n_global
376
377 min_cells = int(2, kind=8)**int(min(1, m) + min(1, n) + min(1, p), kind=8)*int(num_procs, kind=8)
378 call s_int_to_str(2**(min(1, m) + min(1, n) + min(1, p))*num_procs, numstr)
379
380 if (n_global < min_cells) then
381# 45 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
382 call s_prohibit_abort("n_global < min_cells", "Total number of cells must be at least (2^[number of dimensions])*num_procs, " // "which is currently " // trim(numstr))
383# 45 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
384 end if
385# 48 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
386
387 end subroutine s_check_total_cells
388
389 !> Check that simulation parameters stay within AMD GPU compiler limits when case optimization is disabled.
390 impure subroutine s_check_amd
391
392# 55 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
393 if (num_fluids > 3) then
394# 55 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
395 call s_prohibit_abort("num_fluids > 3", "num_fluids <= 3 for AMDFLang when Case optimization is off")
396# 55 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
397 end if
398 if ((bubbles_euler .or. bubbles_lagrange) .and. nb > 3) then
399# 56 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
400 call s_prohibit_abort(.or..and."(bubbles_euler bubbles_lagrange) nb > 3", "nb <= 3 for AMDFLang when Case optimization is off")
401# 56 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
402 end if
403 if (chemistry .and. num_species > 60) then
404# 57 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
405 call s_prohibit_abort(.and."chemistry num_species > 60", "num_species <= 60 for AMDFLang when Case optimization is off")
406# 57 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
407 end if
408# 59 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
409 ! The sys_size bound is not independent of the one above it. Chemistry pins num_fluids to 1, so with
410 ! num_vels <= 3 the species terminate sys_size at 2*1 + 3 + 1 + 60 = 66 for five equations and
411 ! 3*1 + 3 + 1 + 60 = 67 for six; 70 covers both with room, and hypoelastic stresses would add up to six
412 ! more. It had no check of its own while the species cap was ten, because sys_size could not then reach
413 ! the dimension(20) the guard gives every sys_size array; HLLC's star states have no other bound, so
414 ! raising one cap without the other overruns them with nothing to say so.
415 if (sys_size > 70) then
416# 65 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
417 call s_prohibit_abort("sys_size > 70", "sys_size <= 70 for AMDFLang when Case optimization is off")
418# 65 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
419 end if
420# 67 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
421# 68 "/home/runner/work/MFC/MFC/src/common/m_checker_common.fpp"
422
423 end subroutine s_check_amd
424
425end module m_checker_common
m_checker_common
Shared input validation checks for grid dimensions and AMD GPU compiler limits.
Definition m_checker_common.fpp.f90:346
m_checker_common::s_check_amd
impure subroutine s_check_amd
Check that simulation parameters stay within AMD GPU compiler limits when case optimization is disabl...
Definition m_checker_common.fpp.f90:391
m_checker_common::s_check_total_cells
impure subroutine s_check_total_cells(n_global)
Verify that the total number of grid cells meets the minimum required by the number of dimensions and...
Definition m_checker_common.fpp.f90:372
m_checker_common::s_check_inputs_common
impure subroutine, public s_check_inputs_common(check_total_cells, n_global)
Checks compatibility of parameters in the input file. Used by all three stages.
Definition m_checker_common.fpp.f90:361
m_global_parameters
Defines global parameters for the computational domain, simulation algorithm, and initial conditions.
Definition m_global_parameters.fpp.f90:19
m_global_parameters::num_procs
integer num_procs
Number of processors.
Definition m_global_parameters.fpp.f90:33
m_helper_basic
Basic floating-point utilities: approximate equality, default detection, and coordinate bounds.
Definition m_helper_basic.fpp.f90:335
m_helper
Utility routines for bubble model setup, coordinate transforms, array sampling, and special functions...
Definition m_helper.fpp.f90:346
m_helper::s_int_to_str
elemental subroutine, public s_int_to_str(i, res)
Convert an integer to its trimmed string representation.
Definition m_helper.fpp.f90:750
m_mpi_proxy
Broadcasts user inputs and decomposes the domain across MPI ranks for pre-processing.
Definition m_mpi_proxy.fpp.f90:7