| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.sysds.runtime.data; |
| |
| import org.apache.sysds.common.Warnings; |
| import org.apache.sysds.runtime.util.DataConverter; |
| import org.apache.sysds.runtime.util.UtilFunctions; |
| |
| import java.util.BitSet; |
| import java.util.stream.IntStream; |
| |
| public class DenseBlockLBool extends DenseBlockLDRB |
| { |
| private static final long serialVersionUID = 2604223782138590322L; |
| |
| private BitSet[] _blocks; |
| |
| public DenseBlockLBool(int[] dims) { |
| super(dims); |
| reset(_rlen, _odims, 0); |
| } |
| |
| @Override |
| protected void allocateBlocks(int numBlocks) { |
| _blocks = new BitSet[numBlocks]; |
| } |
| |
| @Override |
| protected void allocateBlock(int bix, int length) { |
| _blocks[bix] = new BitSet(length); |
| } |
| |
| @Override |
| protected void setInternal(int bix, int ix, double v) { |
| _blocks[bix].set(ix, v != 0); |
| } |
| |
| @Override |
| public boolean isNumeric() { |
| return true; |
| } |
| |
| @Override |
| public boolean isContiguous() { |
| return _blocks.length == 1; |
| } |
| |
| @Override |
| public void reset(int rlen, int[] odims, double v) { |
| // Special implementation to make computeNnz fast if complete block is read |
| boolean bv = v != 0; |
| long dataLength = (long) rlen * odims[0]; |
| int newBlockSize = Math.min(rlen, Integer.MAX_VALUE / odims[0]); |
| int numBlocks = UtilFunctions.toInt(Math.ceil((double) rlen / newBlockSize)); |
| if (_blen == newBlockSize && dataLength <= capacity()) { |
| for (int i = 0; i < numBlocks; i++) { |
| int toIndex = (int)Math.min(newBlockSize, dataLength - i * newBlockSize) * _odims[0]; |
| _blocks[i].set(0, toIndex, bv); |
| // Clear old data so we can use cardinality for computeNnz |
| _blocks[i].set(toIndex, _blocks[i].size(), false); |
| } |
| } else { |
| int lastBlockSize = (newBlockSize == rlen ? newBlockSize : rlen % newBlockSize) * odims[0]; |
| allocateBlocks(numBlocks); |
| IntStream.range(0, numBlocks) |
| .forEach((i) -> { |
| int length = i == numBlocks - 1 ? lastBlockSize : newBlockSize; |
| allocateBlock(i, length); |
| _blocks[i].set(0, length, bv); |
| }); |
| } |
| _blen = newBlockSize; |
| _rlen = rlen; |
| _odims = odims; |
| } |
| |
| @Override |
| public int numBlocks() { |
| return _blocks.length; |
| } |
| |
| @Override |
| public long capacity() { |
| return (_blocks!=null) ? (long)(_blocks.length - 1) * _blocks[0].size() + _blocks[_blocks.length - 1].size() : -1; |
| } |
| |
| @Override |
| protected long computeNnz(int bix, int start, int length) { |
| if (start == 0 && length == blockSize(bix) * _odims[0]) { |
| return _blocks[bix].cardinality(); |
| } else { |
| BitSet mask = new BitSet(_blocks[bix].size()); |
| mask.set(start, length + start); |
| mask.and(_blocks[bix]); |
| return mask.cardinality(); |
| } |
| } |
| |
| @Override |
| public double[] values(int r) { |
| return valuesAt(index(r)); |
| } |
| |
| @Override |
| public double[] valuesAt(int bix) { |
| int length = blockSize(bix) * _odims[0]; |
| Warnings.warnFullFP64Conversion(length); |
| return DataConverter.toDouble(_blocks[bix], length); |
| } |
| |
| @Override |
| public void incr(int r, int c) { |
| _blocks[index(r)].set(pos(r, c)); |
| } |
| |
| @Override |
| public void incr(int r, int c, double delta) { |
| if (delta != 0) { |
| _blocks[index(r)].set(pos(r, c)); |
| } |
| } |
| |
| @Override |
| protected void fillBlock(int bix, int fromIndex, int toIndex, double v) { |
| _blocks[bix].set(fromIndex, toIndex, v != 0); |
| } |
| |
| @Override |
| public DenseBlock set(String s) { |
| boolean b = Boolean.parseBoolean(s); |
| for (int i = 0; i < numBlocks() - 1; i++) { |
| _blocks[i].set(0, blockSize() *_odims[0], b); |
| } |
| _blocks[numBlocks() - 1].set(0, blockSize(numBlocks() - 1) * _odims[0], b); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int r, int c, double v) { |
| _blocks[index(r)].set(pos(r, c), v != 0); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int[] ix, double v) { |
| _blocks[index(ix[0])].set(pos(ix), v != 0); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int[] ix, long v) { |
| _blocks[index(ix[0])].set(pos(ix), v != 0); |
| return this; |
| } |
| @Override |
| public DenseBlock set(int[] ix, String v) { |
| _blocks[index(ix[0])].set(pos(ix), Boolean.parseBoolean(v)); |
| return this; |
| } |
| |
| @Override |
| public double get(int r, int c) { |
| return _blocks[index(r)].get(pos(r, c)) ? 1 : 0; |
| } |
| |
| @Override |
| public double get(int[] ix) { |
| return _blocks[index(ix[0])].get(pos(ix)) ? 1 : 0; |
| } |
| |
| @Override |
| public String getString(int[] ix) { |
| return String.valueOf(_blocks[index(ix[0])].get(pos(ix))); |
| } |
| |
| @Override |
| public long getLong(int[] ix) { |
| return _blocks[index(ix[0])].get(pos(ix)) ? 1 : 0; |
| } |
| } |