8823448807
Many tests in the `offload` project have requirements defined by which targets are not supported rather than which platforms are supported. This patch aims to streamline the requirement definitions by adding four new feature tags: `host`, `gpu`, `amdgpu`, and `nvidiagpu`.
61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
// RUN: %libomptarget-compileopt-run-and-check-generic
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//
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// REQUIRES: gpu
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#include <omp.h>
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#include <ompx.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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struct info {
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int tid, bid, tdim;
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};
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int main(int argc, char **argv) {
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int N = 1 << 20;
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if (argc > 1)
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N = atoi(argv[1]);
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struct info *X = (struct info *)malloc(sizeof(*X) * N);
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memset(X, '0', sizeof(*X) * N);
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int TL = 256;
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int NT = (N + TL - 1) / TL;
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#pragma omp target data map(tofrom : X [0:N])
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#pragma omp target teams num_teams(NT) thread_limit(TL)
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{
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#pragma omp parallel
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{
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int tid = ompx_thread_id_x();
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int bid = ompx_block_id_x();
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int tdim = ompx_block_dim_x();
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int gid = tid + bid * tdim;
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if (gid < N) {
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X[gid].tid = tid;
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X[gid].bid = bid;
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X[gid].tdim = tdim;
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};
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}
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}
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int tid = 0, bid = 0, tdim = 256;
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for (int i = 0; i < N; i++) {
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if (X[i].tid != tid || X[i].bid != bid || X[i].tdim != tdim) {
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printf("%i: %i vs %i, %i vs %i, %i vs %i\n", i, X[i].tid, tid, X[i].bid,
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bid, X[i].tdim, tdim);
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return 1;
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}
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tid++;
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if (tid == tdim) {
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tid = 0;
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bid++;
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}
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}
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// CHECK: OK
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printf("OK");
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return 0;
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}
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