File: omp-reduction07.f90

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (126 lines) | stat: -rw-r--r-- 4,474 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
! RUN: %python %S/../test_errors.py %s %flang_fc1 -fopenmp
! OpenMP Version 4.5
! 2.15.3.6 Reduction Clause
program omp_reduction

  integer :: i,j,l
  integer :: k = 10
  !$omp parallel private(k)
  !ERROR: REDUCTION variable 'k' is PRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
  !$omp do reduction(+:k)
  do i = 1, 10
    k = k + 1
  end do
  !$omp end do
  !$omp end parallel


  !$omp parallel private(j),reduction(-:k)
  !ERROR: REDUCTION variable 'k' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
  !$omp do reduction(+:k)
  do i = 1, 10
    k = k + 1
  end do
  !$omp end do
  !$omp end parallel

  !$omp parallel private(j),firstprivate(k)
  !ERROR: REDUCTION variable 'k' is FIRSTPRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
  !$omp do reduction(min:k)
  do i = 1, 10
    k = k + 1
  end do
  !$omp end do
  !$omp end parallel


  !$omp parallel private(l,j),firstprivate(k)
  !ERROR: REDUCTION variable 'k' is FIRSTPRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
  !ERROR: REDUCTION variable 'j' is PRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
  !$omp sections reduction(ior:k) reduction(-:j)
  do i = 1, 10
    k = k + 1
  end do
  !$omp end sections
  !$omp end parallel

!$omp sections private(k)
  !ERROR: A worksharing region may not be closely nested inside a worksharing, explicit task, taskloop, critical, ordered, atomic, or master region
  !ERROR: REDUCTION variable 'k' is PRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
  !$omp do reduction(+:k) reduction(max:j)
  do i = 1, 10
    k = k + 1
  end do
  !$omp end do
!$omp end sections

!$omp sections private(k)
  !$omp target
  do j = 1,10
    !ERROR: A worksharing region may not be closely nested inside a worksharing, explicit task, taskloop, critical, ordered, atomic, or master region
    !$omp do reduction(+:k) reduction(max:j)
    do i = 1, 10
      k = k + 1
    end do
    !$omp end do
  end do
  !$omp end target
!$omp end sections

!$omp parallel reduction(+:a)
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp sections reduction(-:a)
a = 10
!$omp end sections
!$omp end parallel

!$omp parallel reduction(-:a)
!$omp end parallel


!$omp parallel reduction(+:a)
!ERROR: REDUCTION clause is not allowed on the WORKSHARE directive
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp workshare reduction(-:a)
a = 10
!$omp end workshare
!$omp end parallel

!$omp parallel reduction(-:a)
!$omp end parallel


!$omp parallel reduction(+:a)
!ERROR: REDUCTION clause is not allowed on the SINGLE directive
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp single reduction(-:a)
a = 10
!$omp end single
!$omp end parallel

!$omp parallel reduction(-:a)
!$omp end parallel


!$omp parallel reduction(+:a)
!ERROR: REDUCTION clause is not allowed on the SINGLE directive
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp single reduction(iand:a)
a = 10
!$omp end single
!$omp end parallel

!$omp parallel reduction(iand:a)
!$omp end parallel

!$omp parallel reduction(ieor:a)
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp sections reduction(-:a)
a = 10
!$omp end sections
!$omp end parallel

!$omp parallel reduction(ieor:a)
!$omp end parallel

end program omp_reduction