org.nd4j.linalg.cpu.nativecpu.blas.SparseCpuLevel2 Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.nd4j.linalg.cpu.nativecpu.blas;
import org.bytedeco.javacpp.DoublePointer;
import org.bytedeco.javacpp.FloatPointer;
import org.bytedeco.javacpp.IntPointer;
import org.nd4j.linalg.api.blas.impl.SparseBaseLevel2;
import org.nd4j.linalg.api.buffer.DataBuffer;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.factory.Nd4j;
import org.nd4j.nativeblas.SparseNd4jBlas;
import static org.bytedeco.javacpp.mkl_rt.*;
/**
* @author Audrey Loeffel
*/
public class SparseCpuLevel2 extends SparseBaseLevel2 {
private SparseNd4jBlas sparseNd4jBlas = (SparseNd4jBlas) Nd4j.sparseFactory().blas();
// Mapping with Sparse Blas calls
public void scoomv(char transA, int M, DataBuffer values, DataBuffer rowInd, DataBuffer colInd, int nnz, INDArray x, INDArray y){
mkl_cspblas_scoogemv(
Character.toString(transA),
(IntPointer) Nd4j.createBuffer(new int[]{M}).addressPointer(),
(FloatPointer) values.addressPointer(),
(IntPointer) rowInd.addressPointer(),
(IntPointer) colInd.addressPointer(),
(IntPointer) Nd4j.createBuffer(new int[]{nnz}).addressPointer(),
(FloatPointer) x.data().addressPointer(),
(FloatPointer)y.data().addressPointer());
}
public void dcoomv(char transA, int M, DataBuffer values, DataBuffer rowInd, DataBuffer colInd, int nnz, INDArray x, INDArray y){
mkl_cspblas_dcoogemv(
Character.toString(transA),
(IntPointer) Nd4j.createBuffer(new int[]{M}).addressPointer(),
(DoublePointer) values.addressPointer(),
(IntPointer) rowInd.addressPointer(),
(IntPointer) colInd.addressPointer(),
(IntPointer) Nd4j.createBuffer(nnz).addressPointer(),
(DoublePointer) x.data().addressPointer(),
(DoublePointer)y.data().addressPointer());
}
}