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offload/test/offloading/malloc.c
38 строк
1019 B
obitotsky
fork mlir
19 июл 2026, 07:05
Верифицирован
19 июл 2026, 07:05
6422b87
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// RUN: %libomptarget-compile-generic && %libomptarget-run-generic // RUN: %libomptarget-compileopt-generic && %libomptarget-run-generic // UNSUPPORTED: intelgpu #include <stdio.h> #include <stdlib.h> int main() { long unsigned *DP = 0; int N = 32; int Threads = 64; int Teams = 10; // Allocate ~160 KiB on the device. #pragma omp target map(from : DP) DP = (long unsigned *)malloc(sizeof(long unsigned) * N * Threads * Teams); #pragma omp target teams distribute parallel for num_teams(Teams) \ thread_limit(Threads) is_device_ptr(DP) for (int i = 0; i < Threads * Teams; ++i) { for (int j = 0; j < N; ++j) { DP[i * N + j] = i + j; } } long unsigned s = 0; #pragma omp target teams distribute parallel for num_teams(Teams) \ thread_limit(Threads) reduction(+ : s) for (int i = 0; i < Threads * Teams; ++i) { for (int j = 0; j < N; ++j) { s += DP[i * N + j]; } } // CHECK: Sum: 6860800 printf("Sum: %li\n", s); return 0; }