File: omp_host_pinned_memory_alloc.c

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.8-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,236,764 kB
  • sloc: cpp: 7,619,776; ansic: 1,433,958; asm: 1,058,748; python: 252,197; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,721; awk: 3,523; javascript: 2,272; xml: 892; fortran: 770
file content (26 lines) | stat: -rw-r--r-- 562 bytes parent folder | download | duplicates (12) 
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
 
// RUN: %libomptarget-compile-run-and-check-generic

#include <omp.h>
#include <stdio.h>

int main() {
  const int N = 64;

  int *hst_ptr = omp_alloc(N * sizeof(int), llvm_omp_target_host_mem_alloc);

  for (int i = 0; i < N; ++i)
    hst_ptr[i] = 2;

#pragma omp target teams distribute parallel for map(tofrom : hst_ptr[0 : N])
  for (int i = 0; i < N; ++i)
    hst_ptr[i] -= 1;

  int sum = 0;
  for (int i = 0; i < N; ++i)
    sum += hst_ptr[i];

  omp_free(hst_ptr, llvm_omp_target_host_mem_alloc);
  // CHECK: PASS
  if (sum == N)
    printf("PASS\n");
}