Tag: 虚假分享

虚假分享和pthreads

我有以下任务来演示虚假共享并编写了一个简单的程序： #include #include #include #include long long int tmsBegin1,tmsEnd1,tmsBegin2,tmsEnd2,tmsBegin3,tmsEnd3; int array[100]; void *heavy_loop(void *param) { int index = *((int*)param); int i; for (i = 0; i < 100000000; i++) array[index]+=3; } int main(int argc, char *argv[]) { int first_elem = 0; int bad_elem = 1; int good_elem = 32; long long time1; long long time2; […]