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| <h2 title="Class SparseTensorIndexCOO" class="title">Class SparseTensorIndexCOO</h2> |
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| <li>com.google.flatbuffers.Table</li> |
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| <pre>public final class <span class="typeNameLabel">SparseTensorIndexCOO</span> |
| extends com.google.flatbuffers.Table</pre> |
| <div class="block">---------------------------------------------------------------------- |
| EXPERIMENTAL: Data structures for sparse tensors |
| Coordinate (COO) format of sparse tensor index. |
| |
| COO's index list are represented as a NxM matrix, |
| where N is the number of non-zero values, |
| and M is the number of dimensions of a sparse tensor. |
| |
| indicesBuffer stores the location and size of the data of this indices |
| matrix. The value type and the stride of the indices matrix is |
| specified in indicesType and indicesStrides fields. |
| |
| For example, let X be a 2x3x4x5 tensor, and it has the following |
| 6 non-zero values: |
| ```text |
| X[0, 1, 2, 0] := 1 |
| X[1, 1, 2, 3] := 2 |
| X[0, 2, 1, 0] := 3 |
| X[0, 1, 3, 0] := 4 |
| X[0, 1, 2, 1] := 5 |
| X[1, 2, 0, 4] := 6 |
| ``` |
| In COO format, the index matrix of X is the following 4x6 matrix: |
| ```text |
| [[0, 0, 0, 0, 1, 1], |
| [1, 1, 1, 2, 1, 2], |
| [2, 2, 3, 1, 2, 0], |
| [0, 1, 0, 0, 3, 4]] |
| ``` |
| When isCanonical is true, the indices is sorted in lexicographical order |
| (row-major order), and it does not have duplicated entries. Otherwise, |
| the indices may not be sorted, or may have duplicated entries.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.Vector.html" title="class in org.apache.arrow.flatbuf">SparseTensorIndexCOO.Vector</a></span></code> </td> |
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| <code>bb, bb_pos</code></li> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#SparseTensorIndexCOO--">SparseTensorIndexCOO</a></span>()</code> </td> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html" title="class in org.apache.arrow.flatbuf">SparseTensorIndexCOO</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#Z:Z__assign-int-java.nio.ByteBuffer-">__assign</a></span>(int _i, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> _bb)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#Z:Z__init-int-java.nio.ByteBuffer-">__init</a></span>(int _i, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> _bb)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#addIndicesBuffer-com.google.flatbuffers.FlatBufferBuilder-int-">addIndicesBuffer</a></span>(com.google.flatbuffers.FlatBufferBuilder builder, |
| int indicesBufferOffset)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#addIndicesStrides-com.google.flatbuffers.FlatBufferBuilder-int-">addIndicesStrides</a></span>(com.google.flatbuffers.FlatBufferBuilder builder, |
| int indicesStridesOffset)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#addIndicesType-com.google.flatbuffers.FlatBufferBuilder-int-">addIndicesType</a></span>(com.google.flatbuffers.FlatBufferBuilder builder, |
| int indicesTypeOffset)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#addIsCanonical-com.google.flatbuffers.FlatBufferBuilder-boolean-">addIsCanonical</a></span>(com.google.flatbuffers.FlatBufferBuilder builder, |
| boolean isCanonical)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#createIndicesStridesVector-com.google.flatbuffers.FlatBufferBuilder-long:A-">createIndicesStridesVector</a></span>(com.google.flatbuffers.FlatBufferBuilder builder, |
| long[] data)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#endSparseTensorIndexCOO-com.google.flatbuffers.FlatBufferBuilder-">endSparseTensorIndexCOO</a></span>(com.google.flatbuffers.FlatBufferBuilder builder)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html" title="class in org.apache.arrow.flatbuf">SparseTensorIndexCOO</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#getRootAsSparseTensorIndexCOO-java.nio.ByteBuffer-">getRootAsSparseTensorIndexCOO</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> _bb)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html" title="class in org.apache.arrow.flatbuf">SparseTensorIndexCOO</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#getRootAsSparseTensorIndexCOO-java.nio.ByteBuffer-org.apache.arrow.flatbuf.SparseTensorIndexCOO-">getRootAsSparseTensorIndexCOO</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> _bb, |
| <a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html" title="class in org.apache.arrow.flatbuf">SparseTensorIndexCOO</a> obj)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Buffer.html" title="class in org.apache.arrow.flatbuf">Buffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesBuffer--">indicesBuffer</a></span>()</code> |
| <div class="block">The location and size of the indices matrix's data</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Buffer.html" title="class in org.apache.arrow.flatbuf">Buffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesBuffer-org.apache.arrow.flatbuf.Buffer-">indicesBuffer</a></span>(<a href="../../../../org/apache/arrow/flatbuf/Buffer.html" title="class in org.apache.arrow.flatbuf">Buffer</a> obj)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesStrides-int-">indicesStrides</a></span>(int j)</code> |
| <div class="block">Non-negative byte offsets to advance one value cell along each dimension |
| If omitted, default to row-major order (C-like).</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesStridesAsByteBuffer--">indicesStridesAsByteBuffer</a></span>()</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesStridesInByteBuffer-java.nio.ByteBuffer-">indicesStridesInByteBuffer</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> _bb)</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesStridesLength--">indicesStridesLength</a></span>()</code> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>com.google.flatbuffers.LongVector</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesStridesVector--">indicesStridesVector</a></span>()</code> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>com.google.flatbuffers.LongVector</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesStridesVector-com.google.flatbuffers.LongVector-">indicesStridesVector</a></span>(com.google.flatbuffers.LongVector obj)</code> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Int.html" title="class in org.apache.arrow.flatbuf">Int</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesType--">indicesType</a></span>()</code> |
| <div class="block">The type of values in indicesBuffer</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/arrow/flatbuf/Int.html" title="class in org.apache.arrow.flatbuf">Int</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#indicesType-org.apache.arrow.flatbuf.Int-">indicesType</a></span>(<a href="../../../../org/apache/arrow/flatbuf/Int.html" title="class in org.apache.arrow.flatbuf">Int</a> obj)</code> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#isCanonical--">isCanonical</a></span>()</code> |
| <div class="block">This flag is true if and only if the indices matrix is sorted in |
| row-major order, and does not have duplicated entries.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#startIndicesStridesVector-com.google.flatbuffers.FlatBufferBuilder-int-">startIndicesStridesVector</a></span>(com.google.flatbuffers.FlatBufferBuilder builder, |
| int numElems)</code> </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#startSparseTensorIndexCOO-com.google.flatbuffers.FlatBufferBuilder-">startSparseTensorIndexCOO</a></span>(com.google.flatbuffers.FlatBufferBuilder builder)</code> </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/flatbuf/SparseTensorIndexCOO.html#ValidateVersion--">ValidateVersion</a></span>()</code> </td> |
| </tr> |
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| <h3>Methods inherited from class com.google.flatbuffers.Table</h3> |
| <code>__has_identifier, __indirect, __indirect, __offset, __offset, __reset, __reset, __string, __string, __union, __union, __vector_as_bytebuffer, __vector_in_bytebuffer, __vector_len, __vector, compareStrings, compareStrings, getByteBuffer, keysCompare, sortTables</code></li> |
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| <div class="block">The location and size of the indices matrix's data</div> |
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| <div class="block">This flag is true if and only if the indices matrix is sorted in |
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| This sort order is the same as of Tensorflow's SparseTensor, |
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