File: memory_manager.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (43 lines) | stat: -rw-r--r-- 1,080 bytes parent folder | download | duplicates (3) 
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
 
// RUN: %libomptarget-compilexx-run-and-check-generic

#include <omp.h>

#include <cassert>
#include <iostream>

int main(int argc, char *argv[]) {
#pragma omp parallel for
  for (int i = 0; i < 16; ++i) {
    for (int n = 1; n < (1 << 13); n <<= 1) {
      void *p = omp_target_alloc(n * sizeof(int), 0);
      omp_target_free(p, 0);
    }
  }

#pragma omp parallel for
  for (int i = 0; i < 16; ++i) {
    for (int n = 1; n < (1 << 13); n <<= 1) {
      int *p = (int *)omp_target_alloc(n * sizeof(int), 0);
#pragma omp target teams distribute parallel for is_device_ptr(p)
      for (int j = 0; j < n; ++j) {
        p[j] = i;
      }
      int buffer[n];
#pragma omp target teams distribute parallel for is_device_ptr(p)              \
    map(from                                                                   \
        : buffer)
      for (int j = 0; j < n; ++j) {
        buffer[j] = p[j];
      }
      for (int j = 0; j < n; ++j) {
        assert(buffer[j] == i);
      }
      omp_target_free(p, 0);
    }
  }

  std::cout << "PASS\n";
  return 0;
}

// CHECK: PASS