Examples with LongFloatSortedVectorStorage com.tencent.angel.ml.math2.storage.LongFloatSortedVectorStorage used on opensource projects

Example 21 with LongFloatSortedVectorStorage

use of com.tencent.angel.ml.math2.storage.LongFloatSortedVectorStorage in project angel by Tencent.

the class MixedBinaryInNonZAExecutor method apply.

private static Vector apply(CompLongFloatVector v1, LongDummyVector v2, Binary op) {
    LongFloatVector[] parts = v1.getPartitions();
    Storage[] resParts = StorageSwitch.applyComp(v1, v2, op);
    if (!op.isKeepStorage()) {
        for (int i = 0; i < parts.length; i++) {
            if (parts[i].getStorage() instanceof LongFloatSortedVectorStorage) {
                resParts[i] = new LongFloatSparseVectorStorage(parts[i].getDim(), parts[i].getStorage().getIndices(), parts[i].getStorage().getValues());
            }
        }
    }
    long subDim = (v1.getDim() + v1.getNumPartitions() - 1) / v1.getNumPartitions();
    long[] v2Indices = v2.getIndices();
    for (int i = 0; i < v2Indices.length; i++) {
        long gidx = v2Indices[i];
        int pidx = (int) (gidx / subDim);
        long subidx = gidx % subDim;
        ((LongFloatVectorStorage) resParts[pidx]).set(subidx, op.apply(parts[pidx].get(subidx), 1));
    }
    LongFloatVector[] res = new LongFloatVector[parts.length];
    int i = 0;
    for (LongFloatVector part : parts) {
        res[i] = new LongFloatVector(part.getMatrixId(), part.getRowId(), part.getClock(), part.getDim(), (LongFloatVectorStorage) resParts[i]);
        i++;
    }
    v1.setPartitions(res);
    return v1;
}

Example 22 with LongFloatSortedVectorStorage

use of com.tencent.angel.ml.math2.storage.LongFloatSortedVectorStorage in project angel by Tencent.

the class HashRouterUtils method splitLongFloatVector.

public static void splitLongFloatVector(KeyHash hasher, MatrixMeta matrixMeta, LongFloatVector vector, KeyValuePart[] dataParts) {
    int dataPartNum = dataParts.length;
    int dataPartNumMinus1 = dataPartNum - 1;
    if (isPow2(dataPartNum)) {
        LongFloatVectorStorage storage = vector.getStorage();
        if (storage.isSparse()) {
            // Use iterator
            LongFloatSparseVectorStorage sparseStorage = (LongFloatSparseVectorStorage) storage;
            ObjectIterator<Long2FloatMap.Entry> iter = sparseStorage.entryIterator();
            while (iter.hasNext()) {
                Long2FloatMap.Entry keyValue = iter.next();
                int partId = computeHashCode(hasher, keyValue.getLongKey()) & dataPartNumMinus1;
                ((HashLongKeysFloatValuesPart) dataParts[partId]).add(keyValue.getLongKey(), keyValue.getFloatValue());
            }
        } else {
            // Key and value array pair
            LongFloatSortedVectorStorage sortStorage = (LongFloatSortedVectorStorage) storage;
            long[] keys = sortStorage.getIndices();
            float[] values = sortStorage.getValues();
            for (int i = 0; i < keys.length; i++) {
                int partId = computeHashCode(hasher, keys[i]) & dataPartNumMinus1;
                ((HashLongKeysFloatValuesPart) dataParts[partId]).add(keys[i], values[i]);
            }
        }
    } else {
        LongFloatVectorStorage storage = vector.getStorage();
        if (storage.isSparse()) {
            // Use iterator
            LongFloatSparseVectorStorage sparseStorage = (LongFloatSparseVectorStorage) storage;
            ObjectIterator<Long2FloatMap.Entry> iter = sparseStorage.entryIterator();
            while (iter.hasNext()) {
                Long2FloatMap.Entry keyValue = iter.next();
                int partId = computeHashCode(hasher, keyValue.getLongKey()) % dataPartNum;
                ((HashLongKeysFloatValuesPart) dataParts[partId]).add(keyValue.getLongKey(), keyValue.getFloatValue());
            }
        } else {
            // Key and value array pair
            LongFloatSortedVectorStorage sortStorage = (LongFloatSortedVectorStorage) storage;
            long[] keys = sortStorage.getIndices();
            float[] values = sortStorage.getValues();
            for (int i = 0; i < keys.length; i++) {
                int partId = computeHashCode(hasher, keys[i]) % dataPartNum;
                ((HashLongKeysFloatValuesPart) dataParts[partId]).add(keys[i], values[i]);
            }
        }
    }
}