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/**
* Copyright (c) 2016 - 2018 Syncleus, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
package com.aparapi.device;
import com.aparapi.*;
import com.aparapi.internal.kernel.*;
public abstract class Device implements Comparable {
public static enum TYPE {
UNKNOWN(Integer.MAX_VALUE),
GPU(2),
CPU(3),
JTP(5),
SEQ(6),
ACC(1),
ALT(4);
/** Heuristic ranking of device types, lower is better. */
public final int rank;
TYPE(int rank) {
this.rank = rank;
}
};
/** @deprecated use {@link KernelManager#bestDevice()}
* @see com.aparapi.device
*/
@Deprecated
public static Device best() {
return KernelManager.instance().bestDevice();
}
/**
* @see com.aparapi.device
*/
@SuppressWarnings("deprecation")
@Deprecated
public static Device bestGPU() {
return firstGPU();
}
/**
* @see com.aparapi.device
*/
@Deprecated
public static Device first(final Device.TYPE _type) {
return KernelManager.DeprecatedMethods.firstDevice(_type);
}
/**
* @see com.aparapi.device
*/
@SuppressWarnings("deprecation")
@Deprecated
public static Device firstGPU() {
return KernelManager.DeprecatedMethods.firstDevice(TYPE.GPU);
}
/**
* @see com.aparapi.device
*/
@SuppressWarnings("deprecation")
@Deprecated
public static Device firstCPU() {
return KernelManager.DeprecatedMethods.firstDevice(TYPE.CPU);
}
/**
* @see com.aparapi.device
*/
@Deprecated
public static Device bestACC() {
throw new UnsupportedOperationException();
}
protected TYPE type = TYPE.UNKNOWN;
protected int maxWorkGroupSize;
protected int maxWorkItemDimensions;
protected int[] maxWorkItemSize = new int[] {
0,
0,
0
};
public abstract String getShortDescription();
public TYPE getType() {
return type;
}
public void setType(TYPE type) {
this.type = type;
}
public int getMaxWorkItemDimensions() {
return maxWorkItemDimensions;
}
public void setMaxWorkItemDimensions(int _maxWorkItemDimensions) {
maxWorkItemDimensions = _maxWorkItemDimensions;
}
public int getMaxWorkGroupSize() {
return maxWorkGroupSize;
}
public void setMaxWorkGroupSize(int _maxWorkGroupSize) {
maxWorkGroupSize = _maxWorkGroupSize;
}
public int[] getMaxWorkItemSize() {
return maxWorkItemSize;
}
public void setMaxWorkItemSize(int[] maxWorkItemSize) {
this.maxWorkItemSize = maxWorkItemSize;
}
public Range createRange(int _globalWidth) {
return (Range.create(this, _globalWidth));
}
public Range createRange(int _globalWidth, int _localWidth) {
return (Range.create(this, _globalWidth, _localWidth));
}
public Range createRange2D(int _globalWidth, int _globalHeight) {
return (Range.create2D(this, _globalWidth, _globalHeight));
}
public Range createRange2D(int _globalWidth, int _globalHeight, int _localWidth, int _localHeight) {
return (Range.create2D(this, _globalWidth, _globalHeight, _localWidth, _localHeight));
}
public Range createRange3D(int _globalWidth, int _globalHeight, int _globalDepth) {
return (Range.create3D(this, _globalWidth, _globalHeight, _globalDepth));
}
public Range createRange3D(int _globalWidth, int _globalHeight, int _globalDepth, int _localWidth, int _localHeight,
int _localDepth) {
return (Range.create3D(this, _globalWidth, _globalHeight, _globalDepth, _localWidth, _localHeight, _localDepth));
}
public abstract long getDeviceId();
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof Device)) {
return false;
}
Device device = (Device) o;
return getDeviceId() == device.getDeviceId();
}
@Override
public int hashCode() {
return Long.valueOf(getDeviceId()).hashCode();
}
public int compareTo(Device other) {
if (type.rank < other.type.rank) {
return -1;
} else if (type.rank > other.type.rank) {
return 1;
}
if (getDeviceId() < other.getDeviceId()) {
return -1;
} else if (getDeviceId() > other.getDeviceId()) {
return 1;
}
return 0;
}
}
