File: memory_manager.cpp

package info (click to toggle)
swiftlang 6.1.3-4
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,644 kB
  • sloc: cpp: 9,901,738; ansic: 2,201,433; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (44 lines) | stat: -rw-r--r-- 1,028 bytes parent folder | download | duplicates (8) 
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
 
// RUN: %libomptarget-compilexx-run-and-check-generic

// REQUIRES: nvidiagpu

#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