57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
// RUN: %libomptarget-compilexx-generic
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// RUN: env LIBOMPTARGET_INFO=63 %libomptarget-run-generic 2>&1 | %fcheck-generic
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// REQUIRES: gpu
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#include <ompx.h>
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#include <cassert>
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#include <vector>
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// CHECK: "PluginInterface" device 0 info: Launching kernel __omp_offloading_{{.*}} with [2,4,6] blocks and [32,4,2] threads in SPMD mode
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int main(int argc, char *argv[]) {
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int bs[3] = {32u, 4u, 2u};
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int gs[3] = {2u, 4u, 6u};
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int n = bs[0] * bs[1] * bs[2] * gs[0] * gs[1] * gs[2];
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std::vector<int> x_buf(n);
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std::vector<int> y_buf(n);
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std::vector<int> z_buf(n);
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auto x = x_buf.data();
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auto y = y_buf.data();
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auto z = z_buf.data();
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for (int i = 0; i < n; ++i) {
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x[i] = i;
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y[i] = i + 1;
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}
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#pragma omp target teams ompx_bare num_teams(gs[0], gs[1], gs[2]) \
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thread_limit(bs[0], bs[1], bs[2]) map(to : x[ : n], y[ : n]) \
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map(from : z[ : n])
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{
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int tid_x = ompx_thread_id_x();
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int tid_y = ompx_thread_id_y();
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int tid_z = ompx_thread_id_z();
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int gid_x = ompx_block_id_x();
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int gid_y = ompx_block_id_y();
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int gid_z = ompx_block_id_z();
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int bs_x = ompx_block_dim_x();
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int bs_y = ompx_block_dim_y();
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int bs_z = ompx_block_dim_z();
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int bs = bs_x * bs_y * bs_z;
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int gs_x = ompx_grid_dim_x();
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int gs_y = ompx_grid_dim_y();
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int gid = gid_z * gs_y * gs_x + gid_y * gs_x + gid_x;
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int tid = tid_z * bs_x * bs_y + tid_y * bs_x + tid_x;
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int i = gid * bs + tid;
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z[i] = x[i] + y[i];
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}
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for (int i = 0; i < n; ++i) {
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if (z[i] != (2 * i + 1))
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return 1;
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}
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return 0;
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}
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