12d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_tsan %s -o %t 22d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %run %t 2>&1 | FileCheck %s 32d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 42d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include "bench.h" 52d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 62d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesint *x; 72d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesconst int kStride = 32; 82d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 92d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesvoid thread(int tid) { 102d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines __atomic_load_n(&x[tid * kStride], __ATOMIC_ACQUIRE); 112d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines for (int i = 0; i < bench_niter; i++) 122d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines __atomic_store_n(&x[tid * kStride], 0, __ATOMIC_RELEASE); 132d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines} 142d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 152d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesvoid bench() { 162d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines x = (int*)malloc(bench_nthread * kStride * sizeof(x[0])); 172d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines for (int i = 0; i < bench_nthread; i++) 182d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines __atomic_store_n(&x[i * kStride], 0, __ATOMIC_RELEASE); 192d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines start_thread_group(bench_nthread, thread); 202d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines} 212d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 222d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: DONE 232d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 24