Examples with BlasException org.nd4j.linalg.api.blas.BlasException used on opensource projects

Example 6 with BlasException

use of org.nd4j.linalg.api.blas.BlasException in project nd4j by deeplearning4j.

the class JcublasLapack method dgeqrf.

@Override
public void dgeqrf(int M, int N, INDArray A, INDArray R, INDArray INFO) {
    INDArray a = A;
    INDArray r = R;
    if (Nd4j.dataType() != DataBuffer.Type.DOUBLE)
        log.warn("DOUBLE getrf called in FLOAT environment");
    if (A.ordering() == 'c')
        a = A.dup('f');
    if (R != null && R.ordering() == 'c')
        r = R.dup('f');
    INDArray tau = Nd4j.createArrayFromShapeBuffer(Nd4j.getDataBufferFactory().createDouble(N), Nd4j.getShapeInfoProvider().createShapeInformation(new int[] { 1, N }));
    if (Nd4j.getExecutioner() instanceof GridExecutioner)
        ((GridExecutioner) Nd4j.getExecutioner()).flushQueue();
    // Get context for current thread
    CudaContext ctx = (CudaContext) allocator.getDeviceContext().getContext();
    // setup the solver handles for cuSolver calls
    cusolverDnHandle_t handle = ctx.getSolverHandle();
    cusolverDnContext solverDn = new cusolverDnContext(handle);
    // synchronized on the solver
    synchronized (handle) {
        int result = cusolverDnSetStream(new cusolverDnContext(handle), new CUstream_st(ctx.getOldStream()));
        if (result != 0)
            throw new BlasException("solverSetStream failed");
        // transfer the INDArray into GPU memory
        CublasPointer xAPointer = new CublasPointer(a, ctx);
        CublasPointer xTauPointer = new CublasPointer(tau, ctx);
        // this output - indicates how much memory we'll need for the real operation
        DataBuffer worksizeBuffer = Nd4j.getDataBufferFactory().createInt(1);
        int stat = cusolverDnDgeqrf_bufferSize(solverDn, M, N, (DoublePointer) xAPointer.getDevicePointer(), M, // we intentionally use host pointer here
        (IntPointer) worksizeBuffer.addressPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnDgeqrf_bufferSize failed", stat);
        }
        int worksize = worksizeBuffer.getInt(0);
        // Now allocate memory for the workspace, the permutation matrix and a return code
        Pointer workspace = new Workspace(worksize * Nd4j.sizeOfDataType());
        // Do the actual QR decomp
        stat = cusolverDnDgeqrf(solverDn, M, N, (DoublePointer) xAPointer.getDevicePointer(), M, (DoublePointer) xTauPointer.getDevicePointer(), new CudaPointer(workspace).asDoublePointer(), worksize, new CudaPointer(allocator.getPointer(INFO, ctx)).asIntPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnDgeqrf failed", stat);
        }
        allocator.registerAction(ctx, a);
        allocator.registerAction(ctx, tau);
        allocator.registerAction(ctx, INFO);
        if (INFO.getInt(0) != 0) {
            throw new BlasException("cusolverDnDgeqrf failed with info", INFO.getInt(0));
        }
        // Copy R ( upper part of Q ) into result
        if (r != null) {
            r.assign(a.get(NDArrayIndex.interval(0, a.columns()), NDArrayIndex.all()));
            INDArrayIndex[] ix = new INDArrayIndex[2];
            for (int i = 1; i < Math.min(a.rows(), a.columns()); i++) {
                ix[0] = NDArrayIndex.point(i);
                ix[1] = NDArrayIndex.interval(0, i);
                r.put(ix, 0);
            }
        }
        stat = cusolverDnDorgqr_bufferSize(solverDn, M, N, N, (DoublePointer) xAPointer.getDevicePointer(), M, (DoublePointer) xTauPointer.getDevicePointer(), (IntPointer) worksizeBuffer.addressPointer());
        worksize = worksizeBuffer.getInt(0);
        workspace = new Workspace(worksize * Nd4j.sizeOfDataType());
        stat = cusolverDnDorgqr(solverDn, M, N, N, (DoublePointer) xAPointer.getDevicePointer(), M, (DoublePointer) xTauPointer.getDevicePointer(), new CudaPointer(workspace).asDoublePointer(), worksize, new CudaPointer(allocator.getPointer(INFO, ctx)).asIntPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnDorgqr failed", stat);
        }
    }
    allocator.registerAction(ctx, a);
    allocator.registerAction(ctx, INFO);
    if (a != A)
        A.assign(a);
    if (r != null && r != R)
        R.assign(r);
    log.info("A: {}", A);
    if (R != null)
        log.info("R: {}", R);
}

Example 7 with BlasException

use of org.nd4j.linalg.api.blas.BlasException in project nd4j by deeplearning4j.

the class JcublasLapack method dgesvd.

@Override
public void dgesvd(byte jobu, byte jobvt, int M, int N, INDArray A, INDArray S, INDArray U, INDArray VT, INDArray INFO) {
    INDArray a = A;
    INDArray u = U;
    INDArray vt = VT;
    // we should transpose & adjust outputs if M<N
    // cuda has a limitation, but it's OK we know
    // A = U S V'
    // transpose multiply rules give us ...
    // A' = V S' U'
    boolean hadToTransposeA = false;
    if (M < N) {
        hadToTransposeA = true;
        int tmp1 = N;
        N = M;
        M = tmp1;
        a = A.transpose().dup('f');
        u = VT.dup('f');
        vt = U.dup('f');
    } else {
        // cuda requires column ordering - we'll register a warning in case
        if (A.ordering() == 'c')
            a = A.dup('f');
        if (U != null && U.ordering() == 'c')
            u = U.dup('f');
        if (VT != null && VT.ordering() == 'c')
            vt = VT.dup('f');
    }
    if (Nd4j.dataType() != DataBuffer.Type.DOUBLE)
        log.warn("DOUBLE gesvd called in FLOAT environment");
    if (Nd4j.getExecutioner() instanceof GridExecutioner)
        ((GridExecutioner) Nd4j.getExecutioner()).flushQueue();
    // Get context for current thread
    CudaContext ctx = (CudaContext) allocator.getDeviceContext().getContext();
    // setup the solver handles for cuSolver calls
    cusolverDnHandle_t handle = ctx.getSolverHandle();
    cusolverDnContext solverDn = new cusolverDnContext(handle);
    // synchronized on the solver
    synchronized (handle) {
        int result = cusolverDnSetStream(new cusolverDnContext(handle), new CUstream_st(ctx.getOldStream()));
        if (result != 0)
            throw new BlasException("solverSetStream failed");
        // transfer the INDArray into GPU memory
        CublasPointer xAPointer = new CublasPointer(a, ctx);
        // this output - indicates how much memory we'll need for the real operation
        DataBuffer worksizeBuffer = Nd4j.getDataBufferFactory().createInt(1);
        int stat = cusolverDnSgesvd_bufferSize(// we intentionally use host pointer here
        solverDn, // we intentionally use host pointer here
        M, // we intentionally use host pointer here
        N, // we intentionally use host pointer here
        (IntPointer) worksizeBuffer.addressPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnSgesvd_bufferSize failed", stat);
        }
        int worksize = worksizeBuffer.getInt(0);
        // Now allocate memory for the workspace, the non-converging row buffer and a return code
        Pointer workspace = new Workspace(worksize * Nd4j.sizeOfDataType());
        DataBuffer rwork = Nd4j.getDataBufferFactory().createDouble((M < N ? M : N) - 1);
        // Do the actual decomp
        stat = cusolverDnDgesvd(solverDn, jobu, jobvt, M, N, (DoublePointer) xAPointer.getDevicePointer(), M, new CudaPointer(allocator.getPointer(S, ctx)).asDoublePointer(), U == null ? null : new CudaPointer(allocator.getPointer(u, ctx)).asDoublePointer(), M, VT == null ? null : new CudaPointer(allocator.getPointer(vt, ctx)).asDoublePointer(), N, new CudaPointer(workspace).asDoublePointer(), worksize, new CudaPointer(allocator.getPointer(rwork, ctx)).asDoublePointer(), new CudaPointer(allocator.getPointer(INFO, ctx)).asIntPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnDgesvd failed" + stat);
        }
    }
    allocator.registerAction(ctx, INFO);
    allocator.registerAction(ctx, S);
    allocator.registerAction(ctx, a);
    if (U != null)
        allocator.registerAction(ctx, u);
    if (VT != null)
        allocator.registerAction(ctx, vt);
    // if we transposed A then swap & transpose U & V'
    if (hadToTransposeA) {
        U.assign(vt.transpose());
        VT.assign(u.transpose());
    } else {
        if (u != U)
            U.assign(u);
        if (vt != VT)
            VT.assign(vt);
    }
}

Example 8 with BlasException

use of org.nd4j.linalg.api.blas.BlasException in project nd4j by deeplearning4j.

the class JcublasLapack method dgetrf.

@Override
public void dgetrf(int M, int N, INDArray A, INDArray IPIV, INDArray INFO) {
    INDArray a = A;
    if (Nd4j.dataType() != DataBuffer.Type.DOUBLE)
        log.warn("FLOAT getrf called in FLOAT environment");
    if (A.ordering() == 'c')
        a = A.dup('f');
    if (Nd4j.getExecutioner() instanceof GridExecutioner)
        ((GridExecutioner) Nd4j.getExecutioner()).flushQueue();
    // Get context for current thread
    CudaContext ctx = (CudaContext) allocator.getDeviceContext().getContext();
    // setup the solver handles for cuSolver calls
    cusolverDnHandle_t handle = ctx.getSolverHandle();
    cusolverDnContext solverDn = new cusolverDnContext(handle);
    // synchronized on the solver
    synchronized (handle) {
        int result = cusolverDnSetStream(new cusolverDnContext(handle), new CUstream_st(ctx.getOldStream()));
        if (result != 0)
            throw new BlasException("solverSetStream failed");
        // transfer the INDArray into GPU memory
        CublasPointer xAPointer = new CublasPointer(a, ctx);
        // this output - indicates how much memory we'll need for the real operation
        DataBuffer worksizeBuffer = Nd4j.getDataBufferFactory().createInt(1);
        int stat = cusolverDnDgetrf_bufferSize(solverDn, M, N, (DoublePointer) xAPointer.getDevicePointer(), M, // we intentionally use host pointer here
        (IntPointer) worksizeBuffer.addressPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnDgetrf_bufferSize failed", stat);
        }
        int worksize = worksizeBuffer.getInt(0);
        // Now allocate memory for the workspace, the permutation matrix and a return code
        Pointer workspace = new Workspace(worksize * Nd4j.sizeOfDataType());
        // Do the actual LU decomp
        stat = cusolverDnDgetrf(solverDn, M, N, (DoublePointer) xAPointer.getDevicePointer(), M, new CudaPointer(workspace).asDoublePointer(), new CudaPointer(allocator.getPointer(IPIV, ctx)).asIntPointer(), new CudaPointer(allocator.getPointer(INFO, ctx)).asIntPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnSgetrf failed", stat);
        }
    }
    allocator.registerAction(ctx, a);
    allocator.registerAction(ctx, INFO);
    allocator.registerAction(ctx, IPIV);
    if (a != A)
        A.assign(a);
}

Example 9 with BlasException

use of org.nd4j.linalg.api.blas.BlasException in project nd4j by deeplearning4j.

the class JcublasLapack method sgetrf.

@Override
public void sgetrf(int M, int N, INDArray A, INDArray IPIV, INDArray INFO) {
    INDArray a = A;
    if (Nd4j.dataType() != DataBuffer.Type.FLOAT)
        log.warn("FLOAT getrf called in DOUBLE environment");
    if (A.ordering() == 'c')
        a = A.dup('f');
    if (Nd4j.getExecutioner() instanceof GridExecutioner)
        ((GridExecutioner) Nd4j.getExecutioner()).flushQueue();
    // Get context for current thread
    CudaContext ctx = (CudaContext) allocator.getDeviceContext().getContext();
    // setup the solver handles for cuSolver calls
    cusolverDnHandle_t handle = ctx.getSolverHandle();
    cusolverDnContext solverDn = new cusolverDnContext(handle);
    // synchronized on the solver
    synchronized (handle) {
        int result = cusolverDnSetStream(new cusolverDnContext(handle), new CUstream_st(ctx.getOldStream()));
        if (result != 0)
            throw new BlasException("solverSetStream failed");
        // transfer the INDArray into GPU memory
        CublasPointer xAPointer = new CublasPointer(a, ctx);
        // this output - indicates how much memory we'll need for the real operation
        DataBuffer worksizeBuffer = Nd4j.getDataBufferFactory().createInt(1);
        int stat = cusolverDnSgetrf_bufferSize(solverDn, M, N, (FloatPointer) xAPointer.getDevicePointer(), M, // we intentionally use host pointer here
        (IntPointer) worksizeBuffer.addressPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnSgetrf_bufferSize failed", stat);
        }
        int worksize = worksizeBuffer.getInt(0);
        // Now allocate memory for the workspace, the permutation matrix and a return code
        Pointer workspace = new Workspace(worksize * Nd4j.sizeOfDataType());
        // Do the actual LU decomp
        stat = cusolverDnSgetrf(solverDn, M, N, (FloatPointer) xAPointer.getDevicePointer(), M, new CudaPointer(workspace).asFloatPointer(), new CudaPointer(allocator.getPointer(IPIV, ctx)).asIntPointer(), new CudaPointer(allocator.getPointer(INFO, ctx)).asIntPointer());
        if (stat != CUSOLVER_STATUS_SUCCESS) {
            throw new BlasException("cusolverDnSgetrf failed", stat);
        }
    }
    allocator.registerAction(ctx, a);
    allocator.registerAction(ctx, INFO);
    allocator.registerAction(ctx, IPIV);
    if (a != A)
        A.assign(a);
}

Example 10 with BlasException

use of org.nd4j.linalg.api.blas.BlasException in project nd4j by deeplearning4j.

the class CpuLapack method sgeqrf.

// =========================
// Q R DECOMP
@Override
public void sgeqrf(int M, int N, INDArray A, INDArray R, INDArray INFO) {
    INDArray tau = Nd4j.create(N);
    int status = LAPACKE_sgeqrf(getColumnOrder(A), M, N, (FloatPointer) A.data().addressPointer(), getLda(A), (FloatPointer) tau.data().addressPointer());
    if (status != 0) {
        throw new BlasException("Failed to execute sgeqrf", status);
    }
    // Copy R ( upper part of Q ) into result
    if (R != null) {
        R.assign(A.get(NDArrayIndex.interval(0, A.columns()), NDArrayIndex.all()));
        INDArrayIndex[] ix = new INDArrayIndex[2];
        for (int i = 1; i < Math.min(A.rows(), A.columns()); i++) {
            ix[0] = NDArrayIndex.point(i);
            ix[1] = NDArrayIndex.interval(0, i);
            R.put(ix, 0);
        }
    }
    status = LAPACKE_sorgqr(getColumnOrder(A), M, N, N, (FloatPointer) A.data().addressPointer(), getLda(A), (FloatPointer) tau.data().addressPointer());
    if (status != 0) {
        throw new BlasException("Failed to execute sorgqr", status);
    }
}