/* * Copyright (c) 2021, 2022, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/ package org.openjdk.bench.loom;
T receive() { boolean interrupted = false;
T e; while (true) { try {
e = q.take(); break;
} catch (InterruptedException x) {
interrupted = true;
}
} if (interrupted) Thread.currentThread().interrupt(); return e;
}
}
staticvoid skynet(Channel<Long> result, int num, int size, int div) { if (size == 1) {
result.send((long)num);
} else { var chan = new Channel<Long>(); for (int i = 0; i < div; i++) { int subNum = num + i * (size / div); Thread.startVirtualThread(() -> skynet(chan, subNum, size / div, div));
} long sum = 0; for (int i = 0; i < div; i++) {
sum += chan.receive();
}
result.send(sum);
}
}
@Benchmark publiclong skynet() { var chan = new Channel<Long>(); Thread.startVirtualThread(() -> skynet(chan, 0, num, 10)); return chan.receive();
}
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