xref: /llvm-project/openmp/runtime/test/tasking/hidden_helper_task/affinity.cpp (revision c0e4a0c3a46e16ef066ec11d1d48298b06bef21c)
1 // REQUIRES: hidden-helper
2 // RUN: %libomp-cxx-compile
3 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
4 // RUN:     KMP_HIDDEN_HELPER_AFFINITY=verbose,granularity=socket,compact %libomp-run 2>&1 | FileCheck --check-prefix=SOCKET %s
5 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
6 // RUN:     KMP_HIDDEN_HELPER_AFFINITY=verbose,granularity=core,scatter %libomp-run 2>&1 | FileCheck --check-prefix=CORE %s
7 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
8 // RUN:     KMP_HIDDEN_HELPER_AFFINITY='verbose,granularity=fine,explicit,proclist=[0,1]' %libomp-run 2>&1 | FileCheck --check-prefix=FINE %s
9 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
10 // RUN:     KMP_HIDDEN_HELPER_AFFINITY=verbose,granularity=socket,compact KMP_AFFINITY=compact,granularity=fine %libomp-run 2>&1 | FileCheck --check-prefix=SOCKET %s
11 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
12 // RUN:     KMP_HIDDEN_HELPER_AFFINITY=verbose,granularity=core,scatter KMP_AFFINITY=compact,granularity=socket %libomp-run 2>&1 | FileCheck --check-prefix=CORE %s
13 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
14 // RUN:     KMP_HIDDEN_HELPER_AFFINITY='verbose,granularity=fine,explicit,proclist=[0,1]' KMP_AFFINITY=compact,granularity=core %libomp-run 2>&1 | FileCheck --check-prefix=FINE %s
15 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
16 // RUN:     KMP_HIDDEN_HELPER_AFFINITY=verbose,granularity=socket,compact OMP_PROC_BIND=close OMP_PLACES=threads %libomp-run 2>&1 | FileCheck --check-prefix=SOCKET %s
17 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
18 // RUN:     KMP_HIDDEN_HELPER_AFFINITY=verbose,granularity=core,scatter OMP_PROC_BIND=close OMP_PLACES=sockets %libomp-run 2>&1 | FileCheck --check-prefix=CORE %s
19 // RUN: env LIBOMP_USE_HIDDEN_HELPER_TASK=1 LIBOMP_NUM_HIDDEN_HELPER_THREADS=8 \
20 // RUN:     KMP_HIDDEN_HELPER_AFFINITY='verbose,granularity=fine,explicit,proclist=[0,1]' OMP_PROC_BIND=cores OMP_PLACES=cores %libomp-run 2>&1 | FileCheck --check-prefix=FINE %s
21 
22 /*
23  * This test aims to check hidden helper affinity
24  *
25  * #pragma omp parallel for
26  * for (int i = 0; i < N; ++i) {
27  *   int data1 = 0, data2 = 0;
28  * #pragma omp taskgroup
29  *   {
30  * #pragma omp hidden helper task shared(data1)
31  *    {
32  *      data1 = 1;
33  *    }
34  * #pragma omp hidden helper task shared(data2)
35  *    {
36  *      data2 = 2;
37  *    }
38  *   }
39  *   assert(data1 == 1);
40  *   assert(data2 == 2);
41  * }
42  */
43 
44 #include "common.h"
45 
46 extern "C" {
47 struct kmp_task_t_with_privates {
48   kmp_task_t task;
49 };
50 
51 struct anon {
52   int32_t *data;
53 };
54 }
55 
56 template <int I>
omp_task_entry(kmp_int32 gtid,kmp_task_t_with_privates * task)57 kmp_int32 omp_task_entry(kmp_int32 gtid, kmp_task_t_with_privates *task) {
58   auto shareds = reinterpret_cast<anon *>(task->task.shareds);
59   auto p = shareds->data;
60   *p = I;
61   return 0;
62 }
63 
main(int argc,char * argv[])64 int main(int argc, char *argv[]) {
65   constexpr const int N = 16;
66 #pragma omp parallel for
67   for (int i = 0; i < N; ++i) {
68     int32_t gtid = __kmpc_global_thread_num(nullptr);
69     int32_t data1 = 0;
70     __kmpc_taskgroup(nullptr, gtid);
71 
72     auto task1 = __kmpc_omp_target_task_alloc(
73         nullptr, gtid, 1, sizeof(kmp_task_t_with_privates), sizeof(anon),
74         reinterpret_cast<kmp_routine_entry_t>(omp_task_entry<1>), -1);
75     auto shareds = reinterpret_cast<anon *>(task1->shareds);
76     shareds->data = &data1;
77     __kmpc_omp_task(nullptr, gtid, task1);
78 
79     __kmpc_end_taskgroup(nullptr, gtid);
80 
81     assert(data1 == 1);
82   }
83 
84   std::cout << "PASS\n";
85   return 0;
86 }
87 
88 // SOCKET: OMP: Info #{{[0-9]+}}: KMP_HIDDEN_HELPER_AFFINITY: Threads may migrate across
89 // SOCKET-NOT: OMP: Info #{{[0-9]+}}: KMP_HIDDEN_HELPER_AFFINITY: pid {{[0-9]+}} tid {{[0-9]+}} thread 1 bound to OS proc set
90 // SOCKET-DAG: OMP: Info #[[NUM:[0-9]+]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID:[0-9]+]] tid {{[0-9]+}} thread 2 bound to OS proc set
91 // SOCKET-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 3 bound to OS proc set
92 // SOCKET-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 4 bound to OS proc set
93 // SOCKET-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 5 bound to OS proc set
94 // SOCKET-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 6 bound to OS proc set
95 // SOCKET-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 7 bound to OS proc set
96 // SOCKET-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 8 bound to OS proc set
97 // SOCKET-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 9 bound to OS proc set
98 
99 // CORE: OMP: Info #{{[0-9]+}}: KMP_HIDDEN_HELPER_AFFINITY: Threads may migrate across
100 // CORE-NOT: OMP: Info #{{[0-9]+}}: KMP_HIDDEN_HELPER_AFFINITY: pid {{[0-9]+}} tid {{[0-9]+}} thread 1 bound to OS proc set
101 // CORE-DAG: OMP: Info #[[NUM:[0-9]+]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID:[0-9]+]] tid {{[0-9]+}} thread 2 bound to OS proc set
102 // CORE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 3 bound to OS proc set
103 // CORE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 4 bound to OS proc set
104 // CORE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 5 bound to OS proc set
105 // CORE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 6 bound to OS proc set
106 // CORE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 7 bound to OS proc set
107 // CORE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 8 bound to OS proc set
108 // CORE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 9 bound to OS proc set
109 
110 // FINE-NOT: OMP: Info #{{[0-9]+}}: KMP_HIDDEN_HELPER_AFFINITY: Threads may migrate across
111 // FINE-NOT: OMP: Info #{{[0-9]+}}: KMP_HIDDEN_HELPER_AFFINITY: pid {{[0-9]+}} tid {{[0-9]+}} thread 1 bound to OS proc set
112 // FINE-DAG: OMP: Info #[[NUM:[0-9]+]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID:[0-9]+]] tid {{[0-9]+}} thread 2 bound to OS proc set
113 // FINE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 3 bound to OS proc set
114 // FINE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 4 bound to OS proc set
115 // FINE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 5 bound to OS proc set
116 // FINE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 6 bound to OS proc set
117 // FINE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 7 bound to OS proc set
118 // FINE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 8 bound to OS proc set
119 // FINE-DAG: OMP: Info #[[NUM]]: KMP_HIDDEN_HELPER_AFFINITY: pid [[PID]] tid {{[0-9]+}} thread 9 bound to OS proc set
120 
121 // End of file
122