5e7e097888
- Remove UNSUPPORTED: intelgpu from 12 passing tests: * mapping/data_member_ref.cpp * offloading/bug50022.cpp, info.c * offloading/target_critical_region.cpp, target_depend_nowait.cpp, target_nowait_target.cpp * offloading/strided_update/* (6 tests) * unified_shared_memory/close_member.c - Change CUDA tests from XFAIL to UNSUPPORTED for Intel GPU: * offloading/CUDA/basic_launch.cu * offloading/CUDA/basic_launch_blocks_and_threads.cu * offloading/CUDA/basic_launch_multi_arg.cu * offloading/CUDA/launch_tu.cu - Add Intel GPU configuration section to lit.cfg to disable USM tests by default
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
// RUN: %libomptarget-compile-run-and-check-generic
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// This test checks that "update to" clause in OpenMP supports strided sections.
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// #pragma omp target update to(result[0:8:2]) updates every other element
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// (stride 2)
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#include <omp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define N 16
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int main() {
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double *result = (double *)calloc(N, sizeof(double));
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// Initialize on host
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for (int i = 0; i < N; i++) {
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result[i] = i;
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}
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// Initial values
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printf("original host array values:\n");
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for (int i = 0; i < N; i++)
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printf("%f\n", result[i]);
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printf("\n");
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#pragma omp target data map(from : result[0 : N])
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{
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// Initialize device array to 0
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#pragma omp target
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{
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for (int i = 0; i < N; i++) {
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result[i] = 0.0;
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}
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}
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// Modify host strided elements (even indices)
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for (int i = 0; i < 8; i++) {
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result[i * 2] = 100.0;
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}
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// Update strided elements to device: indices 0,2,4,6,8,10,12,14
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#pragma omp target update to(result[0 : 8 : 2])
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#pragma omp target
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{
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for (int i = 0; i < N; i++) {
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result[i] += i;
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}
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}
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}
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printf("from target array results:\n");
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for (int i = 0; i < N; i++)
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printf("%f\n", result[i]);
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// CHECK: original host array values:
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// CHECK-NEXT: 0.000000
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// CHECK-NEXT: 1.000000
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// CHECK-NEXT: 2.000000
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// CHECK-NEXT: 3.000000
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// CHECK-NEXT: 4.000000
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// CHECK-NEXT: 5.000000
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// CHECK-NEXT: 6.000000
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// CHECK-NEXT: 7.000000
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// CHECK-NEXT: 8.000000
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// CHECK-NEXT: 9.000000
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// CHECK-NEXT: 10.000000
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// CHECK-NEXT: 11.000000
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// CHECK-NEXT: 12.000000
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// CHECK-NEXT: 13.000000
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// CHECK-NEXT: 14.000000
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// CHECK-NEXT: 15.000000
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// CHECK: from target array results:
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// CHECK-NEXT: 100.000000
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// CHECK-NEXT: 1.000000
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// CHECK-NEXT: 102.000000
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// CHECK-NEXT: 3.000000
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// CHECK-NEXT: 104.000000
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// CHECK-NEXT: 5.000000
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// CHECK-NEXT: 106.000000
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// CHECK-NEXT: 7.000000
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// CHECK-NEXT: 108.000000
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// CHECK-NEXT: 9.000000
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// CHECK-NEXT: 110.000000
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// CHECK-NEXT: 11.000000
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// CHECK-NEXT: 112.000000
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// CHECK-NEXT: 13.000000
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// CHECK-NEXT: 114.000000
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// CHECK-NEXT: 15.000000
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free(result);
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return 0;
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}
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