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MAGMA
2.0.0
Matrix Algebra for GPU and Multicore Architectures
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Functions | |
magma_int_t | magma_scuspaxpy (float *alpha, magma_s_matrix A, float *beta, magma_s_matrix B, magma_s_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_scuspmm (magma_s_matrix A, magma_s_matrix B, magma_s_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_scustomspmv (float alpha, magma_s_matrix x, float beta, magma_s_matrix y, magma_queue_t queue) |
This is an interface to any custom sparse matrix vector product. More... | |
magma_int_t | magma_s_spmv (float alpha, magma_s_matrix A, magma_s_matrix x, float beta, magma_s_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_s_spmv_shift (float alpha, magma_s_matrix A, float lambda, magma_s_matrix x, float beta, magma_int_t offset, magma_int_t blocksize, magma_index_t *add_rows, magma_s_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_s_spmm (float alpha, magma_s_matrix A, magma_s_matrix B, magma_s_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_s_spmm | ( | float | alpha, |
magma_s_matrix | A, | ||
magma_s_matrix | B, | ||
magma_s_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 | float scalar alpha |
[in] | A | magma_s_matrix sparse matrix A |
[in] | B | magma_s_matrix sparse matrix C |
[out] | C | magma_s_matrix * outpur sparse matrix C |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_s_spmv | ( | float | alpha, |
magma_s_matrix | A, | ||
magma_s_matrix | x, | ||
float | beta, | ||
magma_s_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 | float scalar alpha |
[in] | A | magma_s_matrix sparse matrix A |
[in] | x | magma_s_matrix input vector x |
[in] | beta | float scalar beta |
[out] | y | magma_s_matrix output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_s_spmv_shift | ( | float | alpha, |
magma_s_matrix | A, | ||
float | lambda, | ||
magma_s_matrix | x, | ||
float | beta, | ||
magma_int_t | offset, | ||
magma_int_t | blocksize, | ||
magma_index_t * | add_rows, | ||
magma_s_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 | float scalar alpha | |
A | magma_s_matrix sparse matrix A | |
lambda | float scalar lambda | |
x | magma_s_matrix input vector x | |
beta | float 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_s_matrix output vector y | |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_scuspaxpy | ( | float * | alpha, |
magma_s_matrix | A, | ||
float * | beta, | ||
magma_s_matrix | B, | ||
magma_s_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 | float* scalar |
[in] | A | magma_s_matrix input matrix |
[in] | beta | float* scalar |
[in] | B | magma_s_matrix input matrix |
[out] | AB | magma_s_matrix* output matrix AB = alpha * A + beta * B |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_scuspmm | ( | magma_s_matrix | A, |
magma_s_matrix | B, | ||
magma_s_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_s_matrix input matrix |
[in] | B | magma_s_matrix input matrix |
[out] | AB | magma_s_matrix* output matrix AB = A * B |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_scustomspmv | ( | float | alpha, |
magma_s_matrix | x, | ||
float | beta, | ||
magma_s_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 | float scalar alpha |
[in] | x | magma_s_matrix input vector x |
[in] | beta | float scalar beta |
[out] | y | magma_s_matrix output vector y |
[in] | queue | magma_queue_t Queue to execute in. |