private synchronized void shutdown() {
if (!exe.isShutdown()) {
freeCUObjectsMemory();
}
exe.shutdown();
try {
System.err.println(
"cuda device " + Id + " freed ? " + exe.awaitTermination(10, TimeUnit.SECONDS));
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public Future<?> submit(Runnable runnable) {
if (!exe.isShutdown()) {
return exe.submit(runnable);
}
return null;
}