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

Example 6 with LongFloatVectorStorage

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

the class MixedBinaryInAllExecutor method apply.

private static Vector apply(CompLongFloatVector v1, LongLongVector 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();
    for (int i = 0; i < v1.getDim(); i++) {
        int pidx = (int) (i / subDim);
        long subidx = i % subDim;
        if (v2.getStorage().hasKey(i)) {
            ((LongFloatVectorStorage) resParts[pidx]).set(subidx, op.apply(parts[pidx].get(subidx), v2.get(i)));
        } else {
            ((LongFloatVectorStorage) resParts[pidx]).set(subidx, op.apply(parts[pidx].get(subidx), 0));
        }
    }
    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 7 with LongFloatVectorStorage

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

the class LongFloatVector method max.

public float max() {
    LongFloatVectorStorage idstorage = (LongFloatVectorStorage) storage;
    if (idstorage.size() == 0)
        return 0;
    float maxval = Float.MIN_VALUE;
    if (idstorage.isSparse()) {
        FloatIterator iter = idstorage.valueIterator();
        while (iter.hasNext()) {
            float val = iter.nextFloat();
            if (val > maxval) {
                maxval = val;
            }
        }
    } else {
        for (float val : idstorage.getValues()) {
            if (val > maxval) {
                maxval = val;
            }
        }
    }
    return maxval;
}

Example 8 with LongFloatVectorStorage

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

the class LongFloatVector method std.

public double std() {
    LongFloatVectorStorage dstorage = (LongFloatVectorStorage) storage;
    if (dstorage.size() == 0)
        return 0;
    double sumval = 0.0;
    double sumval2 = 0.0;
    if (dstorage.isSparse()) {
        FloatIterator iter = dstorage.valueIterator();
        while (iter.hasNext()) {
            double val = iter.nextFloat();
            sumval += val;
            sumval2 += val * val;
        }
    } else {
        for (double val : dstorage.getValues()) {
            sumval += val;
            sumval2 += val * val;
        }
    }
    sumval /= getDim();
    sumval2 /= getDim();
    return Math.sqrt(sumval2 - sumval * sumval);
}

Example 9 with LongFloatVectorStorage

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

the class ColumnFormat method saveLongFloatRows.

private void saveLongFloatRows(ServerPartition part, ServerRow[] rows, MatrixPartitionMeta partMeta, PSMatrixSaveContext saveContext, DataOutputStream output) throws IOException {
    Vector vec = ServerRowUtils.getVector((ServerLongFloatRow) rows[0]);
    // int size = rows.size();
    long indexOffset = part.getPartitionKey().getStartCol();
    LongFloatsCol col = new LongFloatsCol(0, new float[rows.length]);
    if (vec instanceof IntFloatVector) {
        IntFloatVectorStorage storage = ((IntFloatVector) vec).getStorage();
        long startCol = rows[0].getStartCol();
        long endCol = rows[0].getEndCol();
        if (storage.isDense()) {
            for (long i = startCol; i < endCol; i++) {
                col.colId = i;
                for (int j = 0; j < rows.length; j++) {
                    col.colElems[j] = ((ServerLongFloatRow) (rows[j])).get(col.colId);
                }
                save(col, output);
            }
        } else {
            if (saveContext.sortFirst()) {
                int[] indices = storage.getIndices();
                Sort.quickSort(indices, 0, indices.length - 1);
                for (int i = 0; i < indices.length; i++) {
                    col.colId = indices[i] + indexOffset;
                    for (int j = 0; j < rows.length; j++) {
                        col.colElems[j] = ((ServerLongFloatRow) (rows[j])).get(col.colId);
                    }
                    save(col, output);
                }
            } else {
                ObjectIterator<Int2FloatMap.Entry> iter = storage.entryIterator();
                while (iter.hasNext()) {
                    col.colId = iter.next().getIntKey() + indexOffset;
                    for (int j = 0; j < rows.length; j++) {
                        col.colElems[j] = ((ServerLongFloatRow) (rows[j])).get(col.colId);
                    }
                    save(col, output);
                }
            }
        }
    } else {
        LongFloatVectorStorage storage = ((LongFloatVector) vec).getStorage();
        if (saveContext.sortFirst()) {
            long[] indices = storage.getIndices();
            Sort.quickSort(indices, 0, indices.length - 1);
            for (int i = 0; i < indices.length; i++) {
                col.colId = indices[i] + indexOffset;
                for (int j = 0; j < rows.length; j++) {
                    col.colElems[j] = ((ServerLongFloatRow) (rows[j])).get(col.colId);
                }
                save(col, output);
            }
        } else {
            ObjectIterator<Long2FloatMap.Entry> iter = storage.entryIterator();
            while (iter.hasNext()) {
                col.colId = iter.next().getLongKey() + indexOffset;
                for (int j = 0; j < rows.length; j++) {
                    col.colElems[j] = ((ServerLongFloatRow) (rows[j])).get(col.colId);
                }
                save(col, output);
            }
        }
    }
}

Example 10 with LongFloatVectorStorage

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

the class MixedBinaryOutAllExecutor method apply.

private static Vector apply(CompLongFloatVector v1, LongFloatVector 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();
    for (int i = 0; i < v1.getDim(); i++) {
        int pidx = (int) (i / subDim);
        long subidx = i % subDim;
        if (v2.getStorage().hasKey(i)) {
            ((LongFloatVectorStorage) resParts[pidx]).set(subidx, op.apply(parts[pidx].get(subidx), v2.get(i)));
        } else {
            ((LongFloatVectorStorage) resParts[pidx]).set(subidx, op.apply(parts[pidx].get(subidx), 0));
        }
    }
    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++;
    }
    return new CompLongFloatVector(v1.getMatrixId(), v1.getRowId(), v1.getClock(), v1.getDim(), res, v1.getSubDim());
}