mirror of https://github.com/apache/lucene.git
Reduce specialization in `ForUtil` and `ForDeltaUtil`. (#14048)
These classes specialize all bits per value up to 24. But performance of high numbers of bits per value is not very important, because they are used by short postings lists, which are fast to iterate anyway. So this PR only specializes up to 16 bits per value. For instance, if a postings list uses blocks of 17 bits per value, it means that one can find gaps of 65,536 consecutive doc IDs that do not contain the term. Such rare terms do not drive query performance.
This commit is contained in:
Adrien Grand
GitHub
parent
deae39b01d
commit
e34e0824fd
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@ -1,4 +1,4 @@
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{
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"lucene/core/src/java/org/apache/lucene/codecs/lucene101/ForDeltaUtil.java": "0ff7fb9159693055d9e4b9468b004166156f6550",
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"lucene/core/src/java/org/apache/lucene/codecs/lucene101/gen_ForDeltaUtil.py": "8c55b7aaced028388408c5eb968b1f1197e11142"
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"lucene/core/src/java/org/apache/lucene/codecs/lucene101/ForDeltaUtil.java": "e0bf6071bcdefaa297e0bb92f79615201777652d",
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"lucene/core/src/java/org/apache/lucene/codecs/lucene101/gen_ForDeltaUtil.py": "d7484ab18da33e5cb73faaf84b4e2bb832b62f9d"
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}
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@ -1,4 +1,4 @@
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{
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"lucene/core/src/java/org/apache/lucene/codecs/lucene101/ForUtil.java": "10ceb79f031232bc1e4564db7e3ebb16eedd2e0a",
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"lucene/core/src/java/org/apache/lucene/codecs/lucene101/gen_ForUtil.py": "d69e734bce30375952046a3776bbb7a5c1edbd51"
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"lucene/core/src/java/org/apache/lucene/codecs/lucene101/ForUtil.java": "3004112150943413e0f7fcc3e56b74c4875c1d64",
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"lucene/core/src/java/org/apache/lucene/codecs/lucene101/gen_ForUtil.py": "b1041b6b46caab789c04d99483ee016d550eeebc"
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}
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@ -306,38 +306,6 @@ public final class ForDeltaUtil {
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decode16To32(pdu, ints);
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prefixSum32(ints, base);
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break;
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case 17:
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decode17(pdu, tmp, ints);
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prefixSum32(ints, base);
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break;
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case 18:
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decode18(pdu, tmp, ints);
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prefixSum32(ints, base);
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break;
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case 19:
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decode19(pdu, tmp, ints);
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prefixSum32(ints, base);
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break;
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case 20:
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decode20(pdu, tmp, ints);
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prefixSum32(ints, base);
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break;
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case 21:
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decode21(pdu, tmp, ints);
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prefixSum32(ints, base);
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break;
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case 22:
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decode22(pdu, tmp, ints);
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prefixSum32(ints, base);
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break;
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case 23:
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decode23(pdu, tmp, ints);
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prefixSum32(ints, base);
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break;
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case 24:
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decode24(pdu, tmp, ints);
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prefixSum32(ints, base);
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break;
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default:
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decodeSlow(bitsPerValue, pdu, tmp, ints);
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prefixSum32(ints, base);
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@ -245,14 +245,6 @@ public final class ForUtil {
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static final int MASK32_14 = MASKS32[14];
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static final int MASK32_15 = MASKS32[15];
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static final int MASK32_16 = MASKS32[16];
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static final int MASK32_17 = MASKS32[17];
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static final int MASK32_18 = MASKS32[18];
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static final int MASK32_19 = MASKS32[19];
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static final int MASK32_20 = MASKS32[20];
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static final int MASK32_21 = MASKS32[21];
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static final int MASK32_22 = MASKS32[22];
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static final int MASK32_23 = MASKS32[23];
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static final int MASK32_24 = MASKS32[24];
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/** Decode 128 integers into {@code ints}. */
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void decode(int bitsPerValue, PostingDecodingUtil pdu, int[] ints) throws IOException {
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@ -321,30 +313,6 @@ public final class ForUtil {
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decode16(pdu, ints);
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expand16(ints);
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break;
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case 17:
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decode17(pdu, tmp, ints);
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break;
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case 18:
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decode18(pdu, tmp, ints);
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break;
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case 19:
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decode19(pdu, tmp, ints);
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break;
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case 20:
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decode20(pdu, tmp, ints);
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break;
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case 21:
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decode21(pdu, tmp, ints);
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break;
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case 22:
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decode22(pdu, tmp, ints);
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break;
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case 23:
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decode23(pdu, tmp, ints);
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break;
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case 24:
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decode24(pdu, tmp, ints);
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break;
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default:
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decodeSlow(bitsPerValue, pdu, tmp, ints);
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break;
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@ -562,280 +530,4 @@ public final class ForUtil {
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static void decode16(PostingDecodingUtil pdu, int[] ints) throws IOException {
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pdu.in.readInts(ints, 0, 64);
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}
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static void decode17(PostingDecodingUtil pdu, int[] tmp, int[] ints) throws IOException {
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pdu.splitInts(68, ints, 15, 17, MASK32_17, tmp, 0, MASK32_15);
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for (int iter = 0, tmpIdx = 0, intsIdx = 68; iter < 4; ++iter, tmpIdx += 17, intsIdx += 15) {
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int l0 = tmp[tmpIdx + 0] << 2;
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l0 |= (tmp[tmpIdx + 1] >>> 13) & MASK32_2;
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ints[intsIdx + 0] = l0;
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int l1 = (tmp[tmpIdx + 1] & MASK32_13) << 4;
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l1 |= (tmp[tmpIdx + 2] >>> 11) & MASK32_4;
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ints[intsIdx + 1] = l1;
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int l2 = (tmp[tmpIdx + 2] & MASK32_11) << 6;
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l2 |= (tmp[tmpIdx + 3] >>> 9) & MASK32_6;
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ints[intsIdx + 2] = l2;
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int l3 = (tmp[tmpIdx + 3] & MASK32_9) << 8;
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l3 |= (tmp[tmpIdx + 4] >>> 7) & MASK32_8;
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ints[intsIdx + 3] = l3;
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int l4 = (tmp[tmpIdx + 4] & MASK32_7) << 10;
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l4 |= (tmp[tmpIdx + 5] >>> 5) & MASK32_10;
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ints[intsIdx + 4] = l4;
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int l5 = (tmp[tmpIdx + 5] & MASK32_5) << 12;
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l5 |= (tmp[tmpIdx + 6] >>> 3) & MASK32_12;
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ints[intsIdx + 5] = l5;
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int l6 = (tmp[tmpIdx + 6] & MASK32_3) << 14;
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l6 |= (tmp[tmpIdx + 7] >>> 1) & MASK32_14;
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ints[intsIdx + 6] = l6;
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int l7 = (tmp[tmpIdx + 7] & MASK32_1) << 16;
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l7 |= tmp[tmpIdx + 8] << 1;
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l7 |= (tmp[tmpIdx + 9] >>> 14) & MASK32_1;
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ints[intsIdx + 7] = l7;
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int l8 = (tmp[tmpIdx + 9] & MASK32_14) << 3;
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l8 |= (tmp[tmpIdx + 10] >>> 12) & MASK32_3;
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ints[intsIdx + 8] = l8;
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int l9 = (tmp[tmpIdx + 10] & MASK32_12) << 5;
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l9 |= (tmp[tmpIdx + 11] >>> 10) & MASK32_5;
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ints[intsIdx + 9] = l9;
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int l10 = (tmp[tmpIdx + 11] & MASK32_10) << 7;
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l10 |= (tmp[tmpIdx + 12] >>> 8) & MASK32_7;
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ints[intsIdx + 10] = l10;
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int l11 = (tmp[tmpIdx + 12] & MASK32_8) << 9;
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l11 |= (tmp[tmpIdx + 13] >>> 6) & MASK32_9;
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ints[intsIdx + 11] = l11;
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int l12 = (tmp[tmpIdx + 13] & MASK32_6) << 11;
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l12 |= (tmp[tmpIdx + 14] >>> 4) & MASK32_11;
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ints[intsIdx + 12] = l12;
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int l13 = (tmp[tmpIdx + 14] & MASK32_4) << 13;
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l13 |= (tmp[tmpIdx + 15] >>> 2) & MASK32_13;
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ints[intsIdx + 13] = l13;
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int l14 = (tmp[tmpIdx + 15] & MASK32_2) << 15;
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l14 |= tmp[tmpIdx + 16] << 0;
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ints[intsIdx + 14] = l14;
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}
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}
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static void decode18(PostingDecodingUtil pdu, int[] tmp, int[] ints) throws IOException {
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pdu.splitInts(72, ints, 14, 18, MASK32_18, tmp, 0, MASK32_14);
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for (int iter = 0, tmpIdx = 0, intsIdx = 72; iter < 8; ++iter, tmpIdx += 9, intsIdx += 7) {
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int l0 = tmp[tmpIdx + 0] << 4;
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l0 |= (tmp[tmpIdx + 1] >>> 10) & MASK32_4;
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ints[intsIdx + 0] = l0;
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int l1 = (tmp[tmpIdx + 1] & MASK32_10) << 8;
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l1 |= (tmp[tmpIdx + 2] >>> 6) & MASK32_8;
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ints[intsIdx + 1] = l1;
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int l2 = (tmp[tmpIdx + 2] & MASK32_6) << 12;
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l2 |= (tmp[tmpIdx + 3] >>> 2) & MASK32_12;
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ints[intsIdx + 2] = l2;
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int l3 = (tmp[tmpIdx + 3] & MASK32_2) << 16;
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l3 |= tmp[tmpIdx + 4] << 2;
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l3 |= (tmp[tmpIdx + 5] >>> 12) & MASK32_2;
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ints[intsIdx + 3] = l3;
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int l4 = (tmp[tmpIdx + 5] & MASK32_12) << 6;
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l4 |= (tmp[tmpIdx + 6] >>> 8) & MASK32_6;
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ints[intsIdx + 4] = l4;
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int l5 = (tmp[tmpIdx + 6] & MASK32_8) << 10;
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l5 |= (tmp[tmpIdx + 7] >>> 4) & MASK32_10;
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ints[intsIdx + 5] = l5;
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int l6 = (tmp[tmpIdx + 7] & MASK32_4) << 14;
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l6 |= tmp[tmpIdx + 8] << 0;
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ints[intsIdx + 6] = l6;
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}
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}
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static void decode19(PostingDecodingUtil pdu, int[] tmp, int[] ints) throws IOException {
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pdu.splitInts(76, ints, 13, 19, MASK32_19, tmp, 0, MASK32_13);
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for (int iter = 0, tmpIdx = 0, intsIdx = 76; iter < 4; ++iter, tmpIdx += 19, intsIdx += 13) {
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int l0 = tmp[tmpIdx + 0] << 6;
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l0 |= (tmp[tmpIdx + 1] >>> 7) & MASK32_6;
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ints[intsIdx + 0] = l0;
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int l1 = (tmp[tmpIdx + 1] & MASK32_7) << 12;
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l1 |= (tmp[tmpIdx + 2] >>> 1) & MASK32_12;
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ints[intsIdx + 1] = l1;
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int l2 = (tmp[tmpIdx + 2] & MASK32_1) << 18;
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l2 |= tmp[tmpIdx + 3] << 5;
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l2 |= (tmp[tmpIdx + 4] >>> 8) & MASK32_5;
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ints[intsIdx + 2] = l2;
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int l3 = (tmp[tmpIdx + 4] & MASK32_8) << 11;
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l3 |= (tmp[tmpIdx + 5] >>> 2) & MASK32_11;
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ints[intsIdx + 3] = l3;
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int l4 = (tmp[tmpIdx + 5] & MASK32_2) << 17;
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l4 |= tmp[tmpIdx + 6] << 4;
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l4 |= (tmp[tmpIdx + 7] >>> 9) & MASK32_4;
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ints[intsIdx + 4] = l4;
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int l5 = (tmp[tmpIdx + 7] & MASK32_9) << 10;
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l5 |= (tmp[tmpIdx + 8] >>> 3) & MASK32_10;
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ints[intsIdx + 5] = l5;
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int l6 = (tmp[tmpIdx + 8] & MASK32_3) << 16;
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l6 |= tmp[tmpIdx + 9] << 3;
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l6 |= (tmp[tmpIdx + 10] >>> 10) & MASK32_3;
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ints[intsIdx + 6] = l6;
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int l7 = (tmp[tmpIdx + 10] & MASK32_10) << 9;
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l7 |= (tmp[tmpIdx + 11] >>> 4) & MASK32_9;
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ints[intsIdx + 7] = l7;
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int l8 = (tmp[tmpIdx + 11] & MASK32_4) << 15;
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l8 |= tmp[tmpIdx + 12] << 2;
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l8 |= (tmp[tmpIdx + 13] >>> 11) & MASK32_2;
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ints[intsIdx + 8] = l8;
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int l9 = (tmp[tmpIdx + 13] & MASK32_11) << 8;
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l9 |= (tmp[tmpIdx + 14] >>> 5) & MASK32_8;
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ints[intsIdx + 9] = l9;
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int l10 = (tmp[tmpIdx + 14] & MASK32_5) << 14;
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l10 |= tmp[tmpIdx + 15] << 1;
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l10 |= (tmp[tmpIdx + 16] >>> 12) & MASK32_1;
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ints[intsIdx + 10] = l10;
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int l11 = (tmp[tmpIdx + 16] & MASK32_12) << 7;
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l11 |= (tmp[tmpIdx + 17] >>> 6) & MASK32_7;
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ints[intsIdx + 11] = l11;
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int l12 = (tmp[tmpIdx + 17] & MASK32_6) << 13;
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l12 |= tmp[tmpIdx + 18] << 0;
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ints[intsIdx + 12] = l12;
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}
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}
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static void decode20(PostingDecodingUtil pdu, int[] tmp, int[] ints) throws IOException {
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pdu.splitInts(80, ints, 12, 20, MASK32_20, tmp, 0, MASK32_12);
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for (int iter = 0, tmpIdx = 0, intsIdx = 80; iter < 16; ++iter, tmpIdx += 5, intsIdx += 3) {
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int l0 = tmp[tmpIdx + 0] << 8;
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l0 |= (tmp[tmpIdx + 1] >>> 4) & MASK32_8;
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ints[intsIdx + 0] = l0;
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int l1 = (tmp[tmpIdx + 1] & MASK32_4) << 16;
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l1 |= tmp[tmpIdx + 2] << 4;
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l1 |= (tmp[tmpIdx + 3] >>> 8) & MASK32_4;
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ints[intsIdx + 1] = l1;
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int l2 = (tmp[tmpIdx + 3] & MASK32_8) << 12;
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l2 |= tmp[tmpIdx + 4] << 0;
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ints[intsIdx + 2] = l2;
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}
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}
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static void decode21(PostingDecodingUtil pdu, int[] tmp, int[] ints) throws IOException {
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pdu.splitInts(84, ints, 11, 21, MASK32_21, tmp, 0, MASK32_11);
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for (int iter = 0, tmpIdx = 0, intsIdx = 84; iter < 4; ++iter, tmpIdx += 21, intsIdx += 11) {
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int l0 = tmp[tmpIdx + 0] << 10;
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l0 |= (tmp[tmpIdx + 1] >>> 1) & MASK32_10;
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ints[intsIdx + 0] = l0;
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int l1 = (tmp[tmpIdx + 1] & MASK32_1) << 20;
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l1 |= tmp[tmpIdx + 2] << 9;
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l1 |= (tmp[tmpIdx + 3] >>> 2) & MASK32_9;
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ints[intsIdx + 1] = l1;
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int l2 = (tmp[tmpIdx + 3] & MASK32_2) << 19;
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l2 |= tmp[tmpIdx + 4] << 8;
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l2 |= (tmp[tmpIdx + 5] >>> 3) & MASK32_8;
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ints[intsIdx + 2] = l2;
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int l3 = (tmp[tmpIdx + 5] & MASK32_3) << 18;
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l3 |= tmp[tmpIdx + 6] << 7;
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l3 |= (tmp[tmpIdx + 7] >>> 4) & MASK32_7;
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ints[intsIdx + 3] = l3;
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int l4 = (tmp[tmpIdx + 7] & MASK32_4) << 17;
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l4 |= tmp[tmpIdx + 8] << 6;
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l4 |= (tmp[tmpIdx + 9] >>> 5) & MASK32_6;
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ints[intsIdx + 4] = l4;
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int l5 = (tmp[tmpIdx + 9] & MASK32_5) << 16;
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l5 |= tmp[tmpIdx + 10] << 5;
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l5 |= (tmp[tmpIdx + 11] >>> 6) & MASK32_5;
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ints[intsIdx + 5] = l5;
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int l6 = (tmp[tmpIdx + 11] & MASK32_6) << 15;
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l6 |= tmp[tmpIdx + 12] << 4;
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l6 |= (tmp[tmpIdx + 13] >>> 7) & MASK32_4;
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ints[intsIdx + 6] = l6;
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int l7 = (tmp[tmpIdx + 13] & MASK32_7) << 14;
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l7 |= tmp[tmpIdx + 14] << 3;
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l7 |= (tmp[tmpIdx + 15] >>> 8) & MASK32_3;
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ints[intsIdx + 7] = l7;
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int l8 = (tmp[tmpIdx + 15] & MASK32_8) << 13;
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l8 |= tmp[tmpIdx + 16] << 2;
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l8 |= (tmp[tmpIdx + 17] >>> 9) & MASK32_2;
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ints[intsIdx + 8] = l8;
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int l9 = (tmp[tmpIdx + 17] & MASK32_9) << 12;
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l9 |= tmp[tmpIdx + 18] << 1;
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l9 |= (tmp[tmpIdx + 19] >>> 10) & MASK32_1;
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ints[intsIdx + 9] = l9;
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int l10 = (tmp[tmpIdx + 19] & MASK32_10) << 11;
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l10 |= tmp[tmpIdx + 20] << 0;
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ints[intsIdx + 10] = l10;
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}
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}
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static void decode22(PostingDecodingUtil pdu, int[] tmp, int[] ints) throws IOException {
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pdu.splitInts(88, ints, 10, 22, MASK32_22, tmp, 0, MASK32_10);
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for (int iter = 0, tmpIdx = 0, intsIdx = 88; iter < 8; ++iter, tmpIdx += 11, intsIdx += 5) {
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int l0 = tmp[tmpIdx + 0] << 12;
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l0 |= tmp[tmpIdx + 1] << 2;
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l0 |= (tmp[tmpIdx + 2] >>> 8) & MASK32_2;
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ints[intsIdx + 0] = l0;
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int l1 = (tmp[tmpIdx + 2] & MASK32_8) << 14;
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l1 |= tmp[tmpIdx + 3] << 4;
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l1 |= (tmp[tmpIdx + 4] >>> 6) & MASK32_4;
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ints[intsIdx + 1] = l1;
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int l2 = (tmp[tmpIdx + 4] & MASK32_6) << 16;
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l2 |= tmp[tmpIdx + 5] << 6;
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l2 |= (tmp[tmpIdx + 6] >>> 4) & MASK32_6;
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ints[intsIdx + 2] = l2;
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int l3 = (tmp[tmpIdx + 6] & MASK32_4) << 18;
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l3 |= tmp[tmpIdx + 7] << 8;
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l3 |= (tmp[tmpIdx + 8] >>> 2) & MASK32_8;
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ints[intsIdx + 3] = l3;
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int l4 = (tmp[tmpIdx + 8] & MASK32_2) << 20;
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l4 |= tmp[tmpIdx + 9] << 10;
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l4 |= tmp[tmpIdx + 10] << 0;
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ints[intsIdx + 4] = l4;
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}
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}
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static void decode23(PostingDecodingUtil pdu, int[] tmp, int[] ints) throws IOException {
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pdu.splitInts(92, ints, 9, 23, MASK32_23, tmp, 0, MASK32_9);
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for (int iter = 0, tmpIdx = 0, intsIdx = 92; iter < 4; ++iter, tmpIdx += 23, intsIdx += 9) {
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int l0 = tmp[tmpIdx + 0] << 14;
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l0 |= tmp[tmpIdx + 1] << 5;
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l0 |= (tmp[tmpIdx + 2] >>> 4) & MASK32_5;
|
||||
ints[intsIdx + 0] = l0;
|
||||
int l1 = (tmp[tmpIdx + 2] & MASK32_4) << 19;
|
||||
l1 |= tmp[tmpIdx + 3] << 10;
|
||||
l1 |= tmp[tmpIdx + 4] << 1;
|
||||
l1 |= (tmp[tmpIdx + 5] >>> 8) & MASK32_1;
|
||||
ints[intsIdx + 1] = l1;
|
||||
int l2 = (tmp[tmpIdx + 5] & MASK32_8) << 15;
|
||||
l2 |= tmp[tmpIdx + 6] << 6;
|
||||
l2 |= (tmp[tmpIdx + 7] >>> 3) & MASK32_6;
|
||||
ints[intsIdx + 2] = l2;
|
||||
int l3 = (tmp[tmpIdx + 7] & MASK32_3) << 20;
|
||||
l3 |= tmp[tmpIdx + 8] << 11;
|
||||
l3 |= tmp[tmpIdx + 9] << 2;
|
||||
l3 |= (tmp[tmpIdx + 10] >>> 7) & MASK32_2;
|
||||
ints[intsIdx + 3] = l3;
|
||||
int l4 = (tmp[tmpIdx + 10] & MASK32_7) << 16;
|
||||
l4 |= tmp[tmpIdx + 11] << 7;
|
||||
l4 |= (tmp[tmpIdx + 12] >>> 2) & MASK32_7;
|
||||
ints[intsIdx + 4] = l4;
|
||||
int l5 = (tmp[tmpIdx + 12] & MASK32_2) << 21;
|
||||
l5 |= tmp[tmpIdx + 13] << 12;
|
||||
l5 |= tmp[tmpIdx + 14] << 3;
|
||||
l5 |= (tmp[tmpIdx + 15] >>> 6) & MASK32_3;
|
||||
ints[intsIdx + 5] = l5;
|
||||
int l6 = (tmp[tmpIdx + 15] & MASK32_6) << 17;
|
||||
l6 |= tmp[tmpIdx + 16] << 8;
|
||||
l6 |= (tmp[tmpIdx + 17] >>> 1) & MASK32_8;
|
||||
ints[intsIdx + 6] = l6;
|
||||
int l7 = (tmp[tmpIdx + 17] & MASK32_1) << 22;
|
||||
l7 |= tmp[tmpIdx + 18] << 13;
|
||||
l7 |= tmp[tmpIdx + 19] << 4;
|
||||
l7 |= (tmp[tmpIdx + 20] >>> 5) & MASK32_4;
|
||||
ints[intsIdx + 7] = l7;
|
||||
int l8 = (tmp[tmpIdx + 20] & MASK32_5) << 18;
|
||||
l8 |= tmp[tmpIdx + 21] << 9;
|
||||
l8 |= tmp[tmpIdx + 22] << 0;
|
||||
ints[intsIdx + 8] = l8;
|
||||
}
|
||||
}
|
||||
|
||||
static void decode24(PostingDecodingUtil pdu, int[] tmp, int[] ints) throws IOException {
|
||||
pdu.splitInts(96, ints, 8, 24, MASK32_24, tmp, 0, MASK32_8);
|
||||
for (int iter = 0, tmpIdx = 0, intsIdx = 96; iter < 32; ++iter, tmpIdx += 3, intsIdx += 1) {
|
||||
int l0 = tmp[tmpIdx + 0] << 16;
|
||||
l0 |= tmp[tmpIdx + 1] << 8;
|
||||
l0 |= tmp[tmpIdx + 2] << 0;
|
||||
ints[intsIdx + 0] = l0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,7 +19,7 @@ from math import gcd
|
|||
|
||||
"""Code generation for ForDeltaUtil.java"""
|
||||
|
||||
MAX_SPECIALIZED_BITS_PER_VALUE = 24
|
||||
MAX_SPECIALIZED_BITS_PER_VALUE = 16
|
||||
OUTPUT_FILE = "ForDeltaUtil.java"
|
||||
PRIMITIVE_SIZE = [8, 16, 32]
|
||||
HEADER = """// This file has been automatically generated, DO NOT EDIT
|
||||
|
|
|
|||
|
|
@ -19,7 +19,7 @@ from math import gcd
|
|||
|
||||
"""Code generation for ForUtil.java"""
|
||||
|
||||
MAX_SPECIALIZED_BITS_PER_VALUE = 24
|
||||
MAX_SPECIALIZED_BITS_PER_VALUE = 16
|
||||
OUTPUT_FILE = "ForUtil.java"
|
||||
PRIMITIVE_SIZE = [8, 16, 32]
|
||||
HEADER = """// This file has been automatically generated, DO NOT EDIT
|
||||
|
|
|
|||
Loading…
Reference in New Issue