-
Notifications
You must be signed in to change notification settings - Fork 207
/
CompressedState.java
347 lines (325 loc) · 12.3 KB
/
CompressedState.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
/*
* 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.datasketches.cpc;
import static org.apache.datasketches.Util.computeSeedHash;
import static org.apache.datasketches.cpc.PreambleUtil.checkCapacity;
import static org.apache.datasketches.cpc.PreambleUtil.checkLoPreamble;
import static org.apache.datasketches.cpc.PreambleUtil.getDefinedPreInts;
import static org.apache.datasketches.cpc.PreambleUtil.getFiCol;
import static org.apache.datasketches.cpc.PreambleUtil.getFormatOrdinal;
import static org.apache.datasketches.cpc.PreambleUtil.getHipAccum;
import static org.apache.datasketches.cpc.PreambleUtil.getKxP;
import static org.apache.datasketches.cpc.PreambleUtil.getLgK;
import static org.apache.datasketches.cpc.PreambleUtil.getNumCoupons;
import static org.apache.datasketches.cpc.PreambleUtil.getNumSv;
import static org.apache.datasketches.cpc.PreambleUtil.getPreInts;
import static org.apache.datasketches.cpc.PreambleUtil.getSeedHash;
import static org.apache.datasketches.cpc.PreambleUtil.getSvLengthInts;
import static org.apache.datasketches.cpc.PreambleUtil.getSvStream;
import static org.apache.datasketches.cpc.PreambleUtil.getWLengthInts;
import static org.apache.datasketches.cpc.PreambleUtil.getWStream;
import static org.apache.datasketches.cpc.PreambleUtil.isCompressed;
import static org.apache.datasketches.cpc.PreambleUtil.putEmptyHip;
import static org.apache.datasketches.cpc.PreambleUtil.putEmptyMerged;
import static org.apache.datasketches.cpc.PreambleUtil.putPinnedSlidingHip;
import static org.apache.datasketches.cpc.PreambleUtil.putPinnedSlidingHipNoSv;
import static org.apache.datasketches.cpc.PreambleUtil.putPinnedSlidingMerged;
import static org.apache.datasketches.cpc.PreambleUtil.putPinnedSlidingMergedNoSv;
import static org.apache.datasketches.cpc.PreambleUtil.putSparseHybridHip;
import static org.apache.datasketches.cpc.PreambleUtil.putSparseHybridMerged;
import static org.apache.datasketches.cpc.RuntimeAsserts.rtAssert;
import org.apache.datasketches.memory.Memory;
import org.apache.datasketches.memory.WritableMemory;
/**
* @author Lee Rhodes
* @author Kevin Lang
*/
final class CompressedState {
private static final String LS = System.getProperty("line.separator");
private boolean csvIsValid = false;
private boolean windowIsValid = false;
final int lgK;
final short seedHash;
int fiCol = 0;
boolean mergeFlag = false; //compliment of HIP Flag
long numCoupons = 0;
double kxp;
double hipEstAccum = 0.0;
int numCsv = 0;
int[] csvStream = null; //may be longer than required
int csvLengthInts = 0;
int[] cwStream = null; //may be longer than required
int cwLengthInts = 0;
//int cpcRequiredBytes = 0;
private CompressedState(final int lgK, final short seedHash) {
this.lgK = lgK;
this.seedHash = seedHash;
kxp = 1 << lgK;
}
static CompressedState compress(final CpcSketch source) {
final short seedHash = computeSeedHash(source.seed);
final CompressedState target = new CompressedState(source.lgK, seedHash);
target.fiCol = source.fiCol;
target.mergeFlag = source.mergeFlag;
target.numCoupons = source.numCoupons;
target.kxp = source.kxp;
target.hipEstAccum = source.hipEstAccum;
target.csvIsValid = source.pairTable != null;
target.windowIsValid = (source.slidingWindow != null);
CpcCompression.compress(source, target);
return target;
}
Flavor getFlavor() {
return CpcUtil.determineFlavor(lgK, numCoupons);
}
Format getFormat() {
final int ordinal = ((cwLengthInts > 0) ? 4 : 0)
| ((numCsv > 0) ? 2 : 0)
| ( mergeFlag ? 0 : 1 ); //complement of HIP
return Format.ordinalToFormat(ordinal);
}
int getWindowOffset() {
return CpcUtil.determineCorrectOffset(lgK, numCoupons);
}
long getRequiredSerializedBytes() {
final Format format = getFormat();
final int preInts = getDefinedPreInts(format);
return 4L * (preInts + csvLengthInts + cwLengthInts);
}
static CompressedState importFromMemory(final Memory mem) {
checkLoPreamble(mem);
rtAssert(isCompressed(mem));
final int lgK = getLgK(mem);
final short seedHash = getSeedHash(mem);
final CompressedState state = new CompressedState(lgK, seedHash);
final int fmtOrd = getFormatOrdinal(mem);
final Format format = Format.ordinalToFormat(fmtOrd);
state.mergeFlag = !((fmtOrd & 1) > 0); //merge flag is complement of HIP
state.csvIsValid = (fmtOrd & 2) > 0;
state.windowIsValid = (fmtOrd & 4) > 0;
switch (format) {
case EMPTY_MERGED :
case EMPTY_HIP : {
checkCapacity(mem.getCapacity(), 8L);
break;
}
case SPARSE_HYBRID_MERGED : {
//state.fiCol = getFiCol(mem);
state.numCoupons = getNumCoupons(mem);
state.numCsv = (int) state.numCoupons; //only true for sparse_hybrid
state.csvLengthInts = getSvLengthInts(mem);
//state.cwLength = getCwLength(mem);
//state.kxp = getKxP(mem);
//state.hipEstAccum = getHipAccum(mem);
checkCapacity(mem.getCapacity(), state.getRequiredSerializedBytes());
//state.cwStream = getCwStream(mem);
state.csvStream = getSvStream(mem);
break;
}
case SPARSE_HYBRID_HIP : {
//state.fiCol = getFiCol(mem);
state.numCoupons = getNumCoupons(mem);
state.numCsv = (int) state.numCoupons; //only true for sparse_hybrid
state.csvLengthInts = getSvLengthInts(mem);
//state.cwLength = getCwLength(mem);
state.kxp = getKxP(mem);
state.hipEstAccum = getHipAccum(mem);
checkCapacity(mem.getCapacity(), state.getRequiredSerializedBytes());
//state.cwStream = getCwStream(mem);
state.csvStream = getSvStream(mem);
break;
}
case PINNED_SLIDING_MERGED_NOSV : {
state.fiCol = getFiCol(mem);
state.numCoupons = getNumCoupons(mem);
//state.numCsv = getNumCsv(mem);
//state.csvLength = getCsvLength(mem);
state.cwLengthInts = getWLengthInts(mem);
//state.kxp = getKxP(mem);
//state.hipEstAccum = getHipAccum(mem);
checkCapacity(mem.getCapacity(), state.getRequiredSerializedBytes());
state.cwStream = getWStream(mem);
//state.csvStream = getCsvStream(mem);
break;
}
case PINNED_SLIDING_HIP_NOSV : {
state.fiCol = getFiCol(mem);
state.numCoupons = getNumCoupons(mem);
//state.numCsv = getNumCsv(mem);
//state.csvLength = getCsvLength(mem);
state.cwLengthInts = getWLengthInts(mem);
state.kxp = getKxP(mem);
state.hipEstAccum = getHipAccum(mem);
checkCapacity(mem.getCapacity(), state.getRequiredSerializedBytes());
state.cwStream = getWStream(mem);
//state.csvStream = getCsvStream(mem);
break;
}
case PINNED_SLIDING_MERGED : {
state.fiCol = getFiCol(mem);
state.numCoupons = getNumCoupons(mem);
state.numCsv = getNumSv(mem);
state.csvLengthInts = getSvLengthInts(mem);
state.cwLengthInts = getWLengthInts(mem);
//state.kxp = getKxP(mem);
//state.hipEstAccum = getHipAccum(mem);
checkCapacity(mem.getCapacity(), state.getRequiredSerializedBytes());
state.cwStream = getWStream(mem);
state.csvStream = getSvStream(mem);
break;
}
case PINNED_SLIDING_HIP : {
state.fiCol = getFiCol(mem);
state.numCoupons = getNumCoupons(mem);
state.numCsv = getNumSv(mem);
state.csvLengthInts = getSvLengthInts(mem);
state.cwLengthInts = getWLengthInts(mem);
state.kxp = getKxP(mem);
state.hipEstAccum = getHipAccum(mem);
checkCapacity(mem.getCapacity(), state.getRequiredSerializedBytes());
state.cwStream = getWStream(mem);
state.csvStream = getSvStream(mem);
break;
}
}
checkCapacity(mem.getCapacity(),
4L * (getPreInts(mem) + state.csvLengthInts + state.cwLengthInts));
return state;
}
void exportToMemory(final WritableMemory wmem) {
final Format format = getFormat();
switch (format) {
case EMPTY_MERGED : {
putEmptyMerged(wmem, lgK, seedHash);
break;
}
case EMPTY_HIP : {
putEmptyHip(wmem, lgK, seedHash);
break;
}
case SPARSE_HYBRID_MERGED : {
putSparseHybridMerged(wmem,
lgK,
(int) numCoupons, //unsigned
csvLengthInts,
seedHash,
csvStream);
break;
}
case SPARSE_HYBRID_HIP : {
putSparseHybridHip(wmem,
lgK,
(int) numCoupons, //unsigned
csvLengthInts,
kxp,
hipEstAccum,
seedHash,
csvStream);
break;
}
case PINNED_SLIDING_MERGED_NOSV : {
putPinnedSlidingMergedNoSv(wmem,
lgK,
fiCol,
(int) numCoupons, //unsigned
cwLengthInts,
seedHash,
cwStream);
break;
}
case PINNED_SLIDING_HIP_NOSV : {
putPinnedSlidingHipNoSv(wmem,
lgK,
fiCol,
(int) numCoupons, //unsigned
cwLengthInts,
kxp,
hipEstAccum,
seedHash,
cwStream);
break;
}
case PINNED_SLIDING_MERGED : {
putPinnedSlidingMerged(wmem,
lgK,
fiCol,
(int) numCoupons, //unsigned
numCsv,
csvLengthInts,
cwLengthInts,
seedHash,
csvStream,
cwStream);
break;
}
case PINNED_SLIDING_HIP : {
putPinnedSlidingHip(wmem,
lgK,
fiCol,
(int) numCoupons, //unsigned
numCsv,
kxp,
hipEstAccum,
csvLengthInts,
cwLengthInts,
seedHash,
csvStream,
cwStream);
break;
}
}
}
@Override
public String toString() {
return toString(this, false);
}
public static String toString(final CompressedState state, final boolean detail) {
final StringBuilder sb = new StringBuilder();
sb.append("CompressedState").append(LS);
sb.append(" Flavor : ").append(state.getFlavor()).append(LS);
sb.append(" Format : ").append(state.getFormat()).append(LS);
sb.append(" lgK : ").append(state.lgK).append(LS);
sb.append(" seedHash : ").append(state.seedHash).append(LS);
sb.append(" fiCol : ").append(state.fiCol).append(LS);
sb.append(" mergeFlag : ").append(state.mergeFlag).append(LS);
sb.append(" csvStream : ").append(state.csvIsValid).append(LS);
sb.append(" cwStream : ").append(state.windowIsValid).append(LS);
sb.append(" numCoupons : ").append(state.numCoupons).append(LS);
sb.append(" kxp : ").append(state.kxp).append(LS);
sb.append(" hipAccum : ").append(state.hipEstAccum).append(LS);
sb.append(" numCsv : ").append(state.numCsv).append(LS);
sb.append(" csvLengthInts : ").append(state.csvLengthInts).append(LS);
sb.append(" csLength : ").append(state.cwLengthInts).append(LS);
if (detail) {
if (state.csvStream != null) {
sb.append(" CsvStream : ").append(LS);
for (int i = 0; i < state.csvLengthInts; i++) {
sb.append(String.format("%8d %12d" + LS, i, state.csvStream[i]));
}
}
if (state.cwStream != null) {
sb.append(" CwStream : ").append(LS);
for (int i = 0; i < state.cwLengthInts; i++) {
sb.append(String.format("%8d %12d" + LS, i, state.cwStream[i]));
}
}
}
return sb.toString();
}
}