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MAGMA
2.0.0
Matrix Algebra for GPU and Multicore Architectures
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Functions | |
magma_int_t | magma_zcuspaxpy (magmaDoubleComplex *alpha, magma_z_matrix A, magmaDoubleComplex *beta, magma_z_matrix B, magma_z_matrix *AB, magma_queue_t queue) |
This is an interface to the cuSPARSE routine csrgeam computing the sum of two sparse matrices stored in csr format: More... | |
magma_int_t | magma_zcuspmm (magma_z_matrix A, magma_z_matrix B, magma_z_matrix *AB, magma_queue_t queue) |
This is an interface to the cuSPARSE routine csrmm computing the product of two sparse matrices stored in csr format. More... | |
magma_int_t | magma_zcustomspmv (magmaDoubleComplex alpha, magma_z_matrix x, magmaDoubleComplex beta, magma_z_matrix y, magma_queue_t queue) |
This is an interface to any custom sparse matrix vector product. More... | |
magma_int_t | magma_z_spmv (magmaDoubleComplex alpha, magma_z_matrix A, magma_z_matrix x, magmaDoubleComplex beta, magma_z_matrix y, magma_queue_t queue) |
For a given input matrix A and vectors x, y and scalars alpha, beta the wrapper determines the suitable SpMV computing y = alpha * A * x + beta * y. More... | |
magma_int_t | magma_z_spmv_shift (magmaDoubleComplex alpha, magma_z_matrix A, magmaDoubleComplex lambda, magma_z_matrix x, magmaDoubleComplex beta, magma_int_t offset, magma_int_t blocksize, magma_index_t *add_rows, magma_z_matrix y, magma_queue_t queue) |
For a given input matrix A and vectors x, y and scalars alpha, beta the wrapper determines the suitable SpMV computing y = alpha * ( A - lambda I ) * x + beta * y. More... | |
magma_int_t | magma_z_spmm (magmaDoubleComplex alpha, magma_z_matrix A, magma_z_matrix B, magma_z_matrix *C, magma_queue_t queue) |
For a given input matrix A and B and scalar alpha, the wrapper determines the suitable SpMV computing C = alpha * A * B. More... | |
magma_int_t magma_z_spmm | ( | magmaDoubleComplex | alpha, |
magma_z_matrix | A, | ||
magma_z_matrix | B, | ||
magma_z_matrix * | C, | ||
magma_queue_t | queue | ||
) |
For a given input matrix A and B and scalar alpha, the wrapper determines the suitable SpMV computing C = alpha * A * B.
[in] | alpha | magmaDoubleComplex scalar alpha |
[in] | A | magma_z_matrix sparse matrix A |
[in] | B | magma_z_matrix sparse matrix C |
[out] | C | magma_z_matrix * outpur sparse matrix C |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_z_spmv | ( | magmaDoubleComplex | alpha, |
magma_z_matrix | A, | ||
magma_z_matrix | x, | ||
magmaDoubleComplex | beta, | ||
magma_z_matrix | y, | ||
magma_queue_t | queue | ||
) |
For a given input matrix A and vectors x, y and scalars alpha, beta the wrapper determines the suitable SpMV computing y = alpha * A * x + beta * y.
[in] | alpha | magmaDoubleComplex scalar alpha |
[in] | A | magma_z_matrix sparse matrix A |
[in] | x | magma_z_matrix input vector x |
[in] | beta | magmaDoubleComplex scalar beta |
[out] | y | magma_z_matrix output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_z_spmv_shift | ( | magmaDoubleComplex | alpha, |
magma_z_matrix | A, | ||
magmaDoubleComplex | lambda, | ||
magma_z_matrix | x, | ||
magmaDoubleComplex | beta, | ||
magma_int_t | offset, | ||
magma_int_t | blocksize, | ||
magma_index_t * | add_rows, | ||
magma_z_matrix | y, | ||
magma_queue_t | queue | ||
) |
For a given input matrix A and vectors x, y and scalars alpha, beta the wrapper determines the suitable SpMV computing y = alpha * ( A - lambda I ) * x + beta * y.
alpha | magmaDoubleComplex scalar alpha | |
A | magma_z_matrix sparse matrix A | |
lambda | magmaDoubleComplex scalar lambda | |
x | magma_z_matrix input vector x | |
beta | magmaDoubleComplex scalar beta | |
offset | magma_int_t in case not the main diagonal is scaled | |
blocksize | magma_int_t in case of processing multiple vectors | |
add_rows | magma_int_t* in case the matrixpowerskernel is used | |
y | magma_z_matrix output vector y | |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_zcuspaxpy | ( | magmaDoubleComplex * | alpha, |
magma_z_matrix | A, | ||
magmaDoubleComplex * | beta, | ||
magma_z_matrix | B, | ||
magma_z_matrix * | AB, | ||
magma_queue_t | queue | ||
) |
This is an interface to the cuSPARSE routine csrgeam computing the sum of two sparse matrices stored in csr format:
C = alpha * A + beta * B
[in] | alpha | magmaDoubleComplex* scalar |
[in] | A | magma_z_matrix input matrix |
[in] | beta | magmaDoubleComplex* scalar |
[in] | B | magma_z_matrix input matrix |
[out] | AB | magma_z_matrix* output matrix AB = alpha * A + beta * B |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_zcuspmm | ( | magma_z_matrix | A, |
magma_z_matrix | B, | ||
magma_z_matrix * | AB, | ||
magma_queue_t | queue | ||
) |
This is an interface to the cuSPARSE routine csrmm computing the product of two sparse matrices stored in csr format.
[in] | A | magma_z_matrix input matrix |
[in] | B | magma_z_matrix input matrix |
[out] | AB | magma_z_matrix* output matrix AB = A * B |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_zcustomspmv | ( | magmaDoubleComplex | alpha, |
magma_z_matrix | x, | ||
magmaDoubleComplex | beta, | ||
magma_z_matrix | y, | ||
magma_queue_t | queue | ||
) |
This is an interface to any custom sparse matrix vector product.
It should compute y = alpha*FUNCTION(x) + beta*y The vectors are located on the device, the scalars on the CPU.
[in] | alpha | magmaDoubleComplex scalar alpha |
[in] | x | magma_z_matrix input vector x |
[in] | beta | magmaDoubleComplex scalar beta |
[out] | y | magma_z_matrix output vector y |
[in] | queue | magma_queue_t Queue to execute in. |