org.nd4j.linalg.api.ops.performance.primitives.AveragingTransactionsHolder Maven / Gradle / Ivy
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/*
* ******************************************************************************
* *
* *
* * This program and the accompanying materials are made available under the
* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* * License for the specific language governing permissions and limitations
* * under the License.
* *
* * SPDX-License-Identifier: Apache-2.0
* *****************************************************************************
*/
package org.nd4j.linalg.api.ops.performance.primitives;
import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
import lombok.val;
import org.nd4j.linalg.api.memory.MemcpyDirection;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.locks.ReentrantReadWriteLock;
@Slf4j
public class AveragingTransactionsHolder {
private final List> storage = new ArrayList<>(MemcpyDirection.values().length);
private final List locks= new ArrayList<>(MemcpyDirection.values().length);
public AveragingTransactionsHolder() {
init();
}
protected void init() {
// filling map withi initial keys
for (val v: MemcpyDirection.values()) {
val o = v.ordinal();
storage.add(o, new ArrayList());
locks.add(o, new ReentrantReadWriteLock());
}
}
public void clear() {
for (val v: MemcpyDirection.values()) {
val o = v.ordinal();
try {
locks.get(o).writeLock().lock();
storage.get(o).clear();
} finally {
locks.get(o).writeLock().unlock();
}
}
}
public void addValue(@NonNull MemcpyDirection direction, Long value) {
val o = direction.ordinal();
try {
locks.get(o).writeLock().lock();
storage.get(o).add(value);
} finally {
locks.get(o).writeLock().unlock();
}
}
public Long getAverageValue(@NonNull MemcpyDirection direction) {
val o = direction.ordinal();
try {
Long r = 0L;
locks.get(o).readLock().lock();
val list = storage.get(o);
if (list.isEmpty())
return 0L;
for (val v : list)
r += v;
return r / list.size();
} finally {
locks.get(o).readLock().unlock();
}
}
}