149 lines
6 KiB
Fortran
149 lines
6 KiB
Fortran
! OpenACC parallelism dimensions clauses: num_gangs, num_workers,
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! vector_length.
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! { dg-additional-sources parallel-dims-aux.c }
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! { dg-do run }
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! { dg-prune-output "command-line option '-fintrinsic-modules-path=.*' is valid for Fortran but not for C" }
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! { dg-additional-options "-DEXPENSIVE" { target run_expensive_tests } }
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! { dg-additional-options "-cpp" }
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! { dg-additional-options "-fopt-info-note-omp" }
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! { dg-additional-options "--param=openacc-privatization=noisy" }
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! { dg-additional-options "-foffload=-fopt-info-note-omp" }
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! { dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
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! for testing/documenting aspects of that functionality.
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! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
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! aspects of that functionality.
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! See also '../libgomp.oacc-c-c++-common/parallel-dims.c'.
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module acc_routines
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implicit none (type, external)
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interface
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integer function acc_gang() bind(C)
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!$acc routine seq
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end function acc_gang
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integer function acc_worker() bind(C)
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!$acc routine seq
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end function acc_worker
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integer function acc_vector() bind(C)
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!$acc routine seq
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end function acc_vector
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end interface
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end module acc_routines
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program main
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use iso_c_binding
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use openacc
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use acc_routines
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implicit none (type, external)
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integer :: gangs_min, gangs_max, workers_min, workers_max, vectors_min, vectors_max
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integer :: vectors_actual
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integer :: i, j, k
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#ifdef EXPENSIVE
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integer, parameter :: N = 100
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#else
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integer, parameter :: N = 50
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#endif
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call acc_init (acc_device_default)
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! OpenACC parallel construct.
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!TODO
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! OpenACC kernels construct.
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!TODO
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! OpenACC serial construct.
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! GR, WS, VS.
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gangs_min = huge(gangs_min) ! INT_MAX
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workers_min = huge(workers_min) ! INT_MAX
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vectors_min = huge(vectors_min) ! INT_MAX
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gangs_max = -huge(gangs_max) - 1 ! INT_MIN
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workers_max = -huge(gangs_max) - 1 ! INT_MIN
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vectors_max = -huge(gangs_max) - 1 ! INT_MIN
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!$acc serial &
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!$acc reduction (min: gangs_min, workers_min, vectors_min) reduction (max: gangs_max, workers_max, vectors_max) ! { dg-warning "using .vector_length \\(32\\)., ignoring 1" "" { target openacc_nvidia_accel_selected } }
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! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
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do i = N, -(N-1), -1
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gangs_min = acc_gang ();
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gangs_max = acc_gang ();
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workers_min = acc_worker ();
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workers_max = acc_worker ();
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vectors_min = acc_vector ();
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vectors_max = acc_vector ();
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end do
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!$acc end serial
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if (gangs_min /= 0 .or. gangs_max /= 1 - 1 &
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.or. workers_min /= 0 .or. workers_max /= 1 - 1 &
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.or. vectors_min /= 0 .or. vectors_max /= 1 - 1) &
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stop 1
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! Composition of GP, WP, VP.
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vectors_actual = 1 ! Implicit 'vector_length (1)' clause.
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gangs_min = huge(gangs_min) ! INT_MAX
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workers_min = huge(workers_min) ! INT_MAX
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vectors_min = huge(vectors_min) ! INT_MAX
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gangs_max = -huge(gangs_max) - 1 ! INT_MIN
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workers_max = -huge(gangs_max) - 1 ! INT_MIN
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vectors_max = -huge(gangs_max) - 1 ! INT_MIN
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!$acc serial copy (vectors_actual) &
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!$acc copy (gangs_min, gangs_max, workers_min, workers_max, vectors_min, vectors_max) ! { dg-warning "using .vector_length \\(32\\)., ignoring 1" "" { target openacc_nvidia_accel_selected } }
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! { dg-bogus "\[Ww\]arning: region contains gang partitioned code but is not gang partitioned" "TODO 'serial'" { xfail *-*-* } .-1 }
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! { dg-bogus "\[Ww\]arning: region contains worker partitioned code but is not worker partitioned" "TODO 'serial'" { xfail *-*-* } .-2 }
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! { dg-bogus "\[Ww\]arning: region contains vector partitioned code but is not vector partitioned" "TODO 'serial'" { xfail *-*-* } .-3 }
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! { dg-note {variable 'C.[0-9]+' declared in block potentially has improper OpenACC privatization level: 'const_decl'} "TODO" { target *-*-* } .-4 }
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!TODO Unhandled 'CONST_DECL' instance for constant argument in 'acc_on_device' call.
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if (acc_on_device (acc_device_nvidia)) then
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! The GCC nvptx back end enforces vector_length (32).
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! It's unclear if that's actually permissible here;
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! <https://github.com/OpenACC/openacc-spec/issues/238> "OpenACC 'serial'
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! construct might not actually be serial".
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vectors_actual = 32
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end if
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!$acc loop gang reduction (min: gangs_min, workers_min, vectors_min) reduction (max: gangs_max, workers_max, vectors_max)
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! { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
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do i = N, -(N-1), -1
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!$acc loop worker reduction (min: gangs_min, workers_min, vectors_min) reduction (max: gangs_max, workers_max, vectors_max)
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! { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
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! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 }
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do j = N, -(N-1), -1
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!$acc loop vector reduction (min: gangs_min, workers_min, vectors_min) reduction (max: gangs_max, workers_max, vectors_max)
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! { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
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do k = N * vectors_actual, -(N-1) * vectors_actual, -1
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gangs_min = acc_gang ();
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gangs_max = acc_gang ();
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workers_min = acc_worker ();
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workers_max = acc_worker ();
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vectors_min = acc_vector ();
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vectors_max = acc_vector ();
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end do
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end do
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end do
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!$acc end serial
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if (acc_get_device_type () .eq. acc_device_nvidia) then
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if (vectors_actual /= 32) stop 2
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else
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if (vectors_actual /= 1) stop 3
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end if
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if (gangs_min /= 0 .or. gangs_max /= 1 - 1 &
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.or. workers_min /= 0 .or. workers_max /= 1 - 1 &
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.or. vectors_min /= 0 .or. vectors_max /= vectors_actual - 1) &
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stop 4
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end program main
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