29 lines · cpp
1#include <gpuintrin.h>2#include <stdint.h>3 4extern "C" {5 6uint32_t global[64];7 8[[gnu::constructor(202)]] void ctorc() {9 for (unsigned I = 0; I < 64; I++)10 global[I] += 20;11}12 13[[gnu::constructor(200)]] void ctora() {14 for (unsigned I = 0; I < 64; I++)15 global[I] = 40;16}17 18[[gnu::constructor(201)]] void ctorb() {19 for (unsigned I = 0; I < 64; I++)20 global[I] *= 2;21}22 23__gpu_kernel void global_ctor(uint32_t *out) {24 global[__gpu_thread_id(0)] += __gpu_thread_id(0);25 out[__gpu_thread_id(0) + (__gpu_num_threads(0) * __gpu_block_id(0))] =26 global[__gpu_thread_id(0)];27}28} // extern "C"29