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MAGMA
1.6.3
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_sgecsrmv (magma_trans_t transA, magma_int_t m, magma_int_t n, float alpha, magmaFloat_ptr dval, magmaIndex_ptr drowptr, magmaIndex_ptr dcolind, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes y = alpha * A * x + beta * y on the GPU. More... | |
magma_int_t | magma_sgecsrmv_shift (magma_trans_t transA, magma_int_t m, magma_int_t n, float alpha, float lambda, magmaFloat_ptr dval, magmaIndex_ptr drowptr, magmaIndex_ptr dcolind, magmaFloat_ptr dx, float beta, int offset, int blocksize, magma_index_t *addrows, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes y = alpha * ( A -lambda I ) * x + beta * y on the GPU. More... | |
magma_int_t | magma_sgeellmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t nnz_per_row, float alpha, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes y = alpha * A * x + beta * y on the GPU. More... | |
magma_int_t | magma_sgeellmv_shift (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t nnz_per_row, float alpha, float lambda, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaFloat_ptr dx, float beta, int offset, int blocksize, magmaIndex_ptr addrows, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes y = alpha *( A - lambda I ) * x + beta * y on the GPU. More... | |
magma_int_t | magma_sgeellrtmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t nnz_per_row, float alpha, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaIndex_ptr drowlength, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_int_t alignment, magma_int_t blocksize, magma_queue_t queue) |
This routine computes y = alpha * A * x + beta * y on the GPU. More... | |
magma_int_t | magma_sgeelltmv_shift (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t nnz_per_row, float alpha, float lambda, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaFloat_ptr dx, float beta, int offset, int blocksize, magmaIndex_ptr addrows, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes y = alpha *( A - lambda I ) * x + beta * y on the GPU. More... | |
magma_int_t | magma_sgesellpmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t blocksize, magma_int_t slices, magma_int_t alignment, float alpha, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaIndex_ptr drowptr, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes y = alpha * A^t * x + beta * y on the GPU. More... | |
magma_int_t | magma_sgesellcmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t blocksize, magma_int_t slices, magma_int_t alignment, float alpha, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaIndex_ptr drowptr, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes y = alpha * A^t * x + beta * y on the GPU. More... | |
magma_int_t | magma_smdotc (int n, int k, magmaFloat_ptr v, magmaFloat_ptr r, magmaFloat_ptr d1, magmaFloat_ptr d2, magmaFloat_ptr skp, magma_queue_t queue) |
Computes the scalar product of a set of vectors v_i such that. More... | |
magma_int_t | magma_smgecsrmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t num_vecs, float alpha, magmaFloat_ptr dval, magmaIndex_ptr drowptr, magmaIndex_ptr dcolind, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU. More... | |
magma_int_t | magma_smgeellmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t num_vecs, magma_int_t nnz_per_row, float alpha, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU. More... | |
magma_int_t | magma_smgeelltmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t num_vecs, magma_int_t nnz_per_row, float alpha, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU. More... | |
magma_int_t | magma_smgesellpmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t num_vecs, magma_int_t blocksize, magma_int_t slices, magma_int_t alignment, float alpha, magmaFloat_ptr dval, magmaIndex_ptr dcolind, magmaIndex_ptr drowptr, magmaFloat_ptr dx, float beta, magmaFloat_ptr dy, magma_queue_t queue) |
This routine computes Y = alpha * A^t * X + beta * Y on the GPU. 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. |
magma_int_t magma_sgecsrmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | drowptr, | ||
magmaIndex_ptr | dcolind, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes y = alpha * A * x + beta * y on the GPU.
The input format is CSR (val, row, col).
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | alpha | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in CSR |
[in] | drowptr | magmaIndex_ptr rowpointer of A in CSR |
[in] | dcolind | magmaIndex_ptr columnindices of A in CSR |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_sgecsrmv_shift | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
float | alpha, | ||
float | lambda, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | drowptr, | ||
magmaIndex_ptr | dcolind, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
int | offset, | ||
int | blocksize, | ||
magma_index_t * | addrows, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes y = alpha * ( A -lambda I ) * x + beta * y on the GPU.
It is a shifted version of the CSR-SpMV.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | alpha | float scalar multiplier |
[in] | lambda | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in CSR |
[in] | drowptr | magmaIndex_ptr rowpointer of A in CSR |
[in] | dcolind | magmaIndex_ptr columnindices of A in CSR |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[in] | offset | magma_int_t in case not the main diagonal is scaled |
[in] | blocksize | magma_int_t in case of processing multiple vectors |
[in] | addrows | magmaIndex_ptr in case the matrixpowerskernel is used |
[out] | dy | magmaFloat_ptr output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_sgeellmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | nnz_per_row, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes y = alpha * A * x + beta * y on the GPU.
Input format is ELLPACK.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | nnz_per_row | magma_int_t number of elements in the longest row |
[in] | alpha | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in ELLPACK |
[in] | dcolind | magmaIndex_ptr columnindices of A in ELLPACK |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_sgeellmv_shift | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | nnz_per_row, | ||
float | alpha, | ||
float | lambda, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
int | offset, | ||
int | blocksize, | ||
magmaIndex_ptr | addrows, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes y = alpha *( A - lambda I ) * x + beta * y on the GPU.
Input format is ELLPACK. It is the shifted version of the ELLPACK SpMV.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | nnz_per_row | magma_int_t number of elements in the longest row |
[in] | alpha | float scalar multiplier |
[in] | lambda | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in ELLPACK |
[in] | dcolind | magmaIndex_ptr columnindices of A in ELLPACK |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[in] | offset | magma_int_t in case not the main diagonal is scaled |
[in] | blocksize | magma_int_t in case of processing multiple vectors |
[in] | addrows | magmaIndex_ptr in case the matrixpowerskernel is used |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_sgeellrtmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | nnz_per_row, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaIndex_ptr | drowlength, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_int_t | alignment, | ||
magma_int_t | blocksize, | ||
magma_queue_t | queue | ||
) |
This routine computes y = alpha * A * x + beta * y on the GPU.
Input format is ELLRT. The ideas are taken from "Improving the performance of the sparse matrix vector product with GPUs", (CIT 2010), and modified to provide correct values.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows |
[in] | n | magma_int_t number of columns |
[in] | nnz_per_row | magma_int_t max number of nonzeros in a row |
[in] | alpha | float scalar alpha |
[in] | dval | magmaFloat_ptr val array |
[in] | dcolind | magmaIndex_ptr col indices |
[in] | drowlength | magmaIndex_ptr number of elements in each row |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar beta |
[out] | dy | magmaFloat_ptr output vector y |
[in] | blocksize | magma_int_t threads per block |
[in] | alignment | magma_int_t threads assigned to each row |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_sgeelltmv_shift | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | nnz_per_row, | ||
float | alpha, | ||
float | lambda, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
int | offset, | ||
int | blocksize, | ||
magmaIndex_ptr | addrows, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes y = alpha *( A - lambda I ) * x + beta * y on the GPU.
Input format is ELL.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | nnz_per_row | magma_int_t number of elements in the longest row |
[in] | alpha | float scalar multiplier |
[in] | lambda | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in ELL |
[in] | dcolind | magmaIndex_ptr columnindices of A in ELL |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[in] | offset | magma_int_t in case not the main diagonal is scaled |
[in] | blocksize | magma_int_t in case of processing multiple vectors |
[in] | addrows | magmaIndex_ptr in case the matrixpowerskernel is used |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_sgesellcmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | blocksize, | ||
magma_int_t | slices, | ||
magma_int_t | alignment, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaIndex_ptr | drowptr, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes y = alpha * A^t * x + beta * y on the GPU.
Input format is SELLC/SELLP.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | blocksize | magma_int_t number of rows in one ELL-slice |
[in] | slices | magma_int_t number of slices in matrix |
[in] | alignment | magma_int_t number of threads assigned to one row (=1) |
[in] | alpha | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in SELLC/P |
[in] | dcolind | magmaIndex_ptr columnindices of A in SELLC/P |
[in] | drowptr | magmaIndex_ptr rowpointer of SELLP |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_sgesellpmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | blocksize, | ||
magma_int_t | slices, | ||
magma_int_t | alignment, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaIndex_ptr | drowptr, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes y = alpha * A^t * x + beta * y on the GPU.
Input format is SELLP.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | blocksize | magma_int_t number of rows in one ELL-slice |
[in] | slices | magma_int_t number of slices in matrix |
[in] | alignment | magma_int_t number of threads assigned to one row |
[in] | alpha | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in SELLP |
[in] | dcolind | magmaIndex_ptr columnindices of A in SELLP |
[in] | drowptr | magmaIndex_ptr rowpointer of SELLP |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_smdotc | ( | int | n, |
int | k, | ||
magmaFloat_ptr | v, | ||
magmaFloat_ptr | r, | ||
magmaFloat_ptr | d1, | ||
magmaFloat_ptr | d2, | ||
magmaFloat_ptr | skp, | ||
magma_queue_t | queue | ||
) |
Computes the scalar product of a set of vectors v_i such that.
skp = ( <v_0,r>, <v_1,r>, .. )
Returns the vector skp.
[in] | n | int length of v_i and r |
[in] | k | int vectors v_i |
[in] | v | magmaFloat_ptr v = (v_0 .. v_i.. v_k) |
[in] | r | magmaFloat_ptr r |
[in] | d1 | magmaFloat_ptr workspace |
[in] | d2 | magmaFloat_ptr workspace |
[out] | skp | magmaFloat_ptr vector[k] of scalar products (<v_i,r>...) |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_smgecsrmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | num_vecs, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | drowptr, | ||
magmaIndex_ptr | dcolind, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU.
Input format is CSR.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | num_vecs | mama_int_t number of vectors |
[in] | alpha | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in CSR |
[in] | drowptr | magmaIndex_ptr rowpointer of A in CSR |
[in] | dcolind | magmaIndex_ptr columnindices of A in CSR |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_smgeellmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | num_vecs, | ||
magma_int_t | nnz_per_row, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU.
Input format is ELLPACK.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | num_vecs | mama_int_t number of vectors |
[in] | nnz_per_row | magma_int_t number of elements in the longest row |
[in] | alpha | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in ELLPACK |
[in] | dcolind | magmaIndex_ptr columnindices of A in ELLPACK |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_smgeelltmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | num_vecs, | ||
magma_int_t | nnz_per_row, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU.
Input format is ELL.
[in] | transA | magma_trans_t transposition parameter for A |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | num_vecs | mama_int_t number of vectors |
[in] | nnz_per_row | magma_int_t number of elements in the longest row |
[in] | alpha | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in ELL |
[in] | dcolind | magmaIndex_ptr columnindices of A in ELL |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |
magma_int_t magma_smgesellpmv | ( | magma_trans_t | transA, |
magma_int_t | m, | ||
magma_int_t | n, | ||
magma_int_t | num_vecs, | ||
magma_int_t | blocksize, | ||
magma_int_t | slices, | ||
magma_int_t | alignment, | ||
float | alpha, | ||
magmaFloat_ptr | dval, | ||
magmaIndex_ptr | dcolind, | ||
magmaIndex_ptr | drowptr, | ||
magmaFloat_ptr | dx, | ||
float | beta, | ||
magmaFloat_ptr | dy, | ||
magma_queue_t | queue | ||
) |
This routine computes Y = alpha * A^t * X + beta * Y on the GPU.
Input format is SELLP. Note, that the input format for X is row-major while the output format for Y is column major!
[in] | transA | magma_trans_t transpose A? |
[in] | m | magma_int_t number of rows in A |
[in] | n | magma_int_t number of columns in A |
[in] | num_vecs | magma_int_t number of columns in X and Y |
[in] | blocksize | magma_int_t number of rows in one ELL-slice |
[in] | slices | magma_int_t number of slices in matrix |
[in] | alignment | magma_int_t number of threads assigned to one row |
[in] | alpha | float scalar multiplier |
[in] | dval | magmaFloat_ptr array containing values of A in SELLP |
[in] | dcolind | magmaIndex_ptr columnindices of A in SELLP |
[in] | drowptr | magmaIndex_ptr rowpointer of SELLP |
[in] | dx | magmaFloat_ptr input vector x |
[in] | beta | float scalar multiplier |
[out] | dy | magmaFloat_ptr input/output vector y |
[in] | queue | magma_queue_t Queue to execute in. |