swapdblk: Swap diagonal blocks

Functions
void	magmablas_cswapdblk (magma_int_t n, magma_int_t nb, magmaFloatComplex_ptr dA, magma_int_t ldda, magma_int_t inca, magmaFloatComplex_ptr dB, magma_int_t lddb, magma_int_t incb, magma_queue_t queue)
	cswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.
void	magmablas_dswapdblk (magma_int_t n, magma_int_t nb, magmaDouble_ptr dA, magma_int_t ldda, magma_int_t inca, magmaDouble_ptr dB, magma_int_t lddb, magma_int_t incb, magma_queue_t queue)
	dswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.
void	magmablas_sswapdblk (magma_int_t n, magma_int_t nb, magmaFloat_ptr dA, magma_int_t ldda, magma_int_t inca, magmaFloat_ptr dB, magma_int_t lddb, magma_int_t incb, magma_queue_t queue)
	sswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.
void	magmablas_zswapdblk (magma_int_t n, magma_int_t nb, magmaDoubleComplex_ptr dA, magma_int_t ldda, magma_int_t inca, magmaDoubleComplex_ptr dB, magma_int_t lddb, magma_int_t incb, magma_queue_t queue)
	zswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.
void	magmablas_zswapdblk_batched (magma_int_t n, magma_int_t nb, magmaDoubleComplex **dA_array, magma_int_t ldda, magma_int_t inca, magmaDoubleComplex **dB_array, magma_int_t lddb, magma_int_t incb, magma_int_t batchCount, magma_queue_t queue)
	zswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.

Detailed Description

Function Documentation

magmablas_cswapdblk()

void magmablas_cswapdblk	(	magma_int_t	n,
		magma_int_t	nb,
		magmaFloatComplex_ptr	dA,
		magma_int_t	ldda,
		magma_int_t	inca,
		magmaFloatComplex_ptr	dB,
		magma_int_t	lddb,
		magma_int_t	incb,
		magma_queue_t	queue )

cswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.

It swaps nblocks = n/nb blocks. For i = 1 .. nblocks, submatrices dA( i*nb*inca, i*nb ) and dB( i*nb*incb, i*nb ) are swapped.

Parameters

[in]	n	INTEGER The number of columns of the matrices dA and dB. N >= 0.
[in]	nb	INTEGER The size of diagonal blocks. NB > 0 and NB <= maximum threads per CUDA block (512 or 1024).
[in,out]	dA	COMPLEX array, dimension (LDDA,N) The matrix dA.
[in]	ldda	INTEGER The leading dimension of the array dA. LDDA >= (nblocks - 1)*nb*inca + nb.
[in]	inca	INTEGER The row increment between diagonal blocks of dA. inca >= 0. For example, inca = 1 means blocks are stored on the diagonal at dA(i*nb, i*nb), inca = 0 means blocks are stored side-by-side at dA(0, i*nb).
[in,out]	dB	COMPLEX array, dimension (LDDB,N) The matrix dB.
[in]	lddb	INTEGER The leading dimension of the array db. LDDB >= (nblocks - 1)*nb*incb + nb.
[in]	incb	INTEGER The row increment between diagonal blocks of dB. incb >= 0. See inca.
[in]	queue	magma_queue_t Queue to execute in.

magmablas_dswapdblk()

void magmablas_dswapdblk	(	magma_int_t	n,
		magma_int_t	nb,
		magmaDouble_ptr	dA,
		magma_int_t	ldda,
		magma_int_t	inca,
		magmaDouble_ptr	dB,
		magma_int_t	lddb,
		magma_int_t	incb,
		magma_queue_t	queue )

dswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.

It swaps nblocks = n/nb blocks. For i = 1 .. nblocks, submatrices dA( i*nb*inca, i*nb ) and dB( i*nb*incb, i*nb ) are swapped.

Parameters

[in]	n	INTEGER The number of columns of the matrices dA and dB. N >= 0.
[in]	nb	INTEGER The size of diagonal blocks. NB > 0 and NB <= maximum threads per CUDA block (512 or 1024).
[in,out]	dA	DOUBLE PRECISION array, dimension (LDDA,N) The matrix dA.
[in]	ldda	INTEGER The leading dimension of the array dA. LDDA >= (nblocks - 1)*nb*inca + nb.
[in]	inca	INTEGER The row increment between diagonal blocks of dA. inca >= 0. For example, inca = 1 means blocks are stored on the diagonal at dA(i*nb, i*nb), inca = 0 means blocks are stored side-by-side at dA(0, i*nb).
[in,out]	dB	DOUBLE PRECISION array, dimension (LDDB,N) The matrix dB.
[in]	lddb	INTEGER The leading dimension of the array db. LDDB >= (nblocks - 1)*nb*incb + nb.
[in]	incb	INTEGER The row increment between diagonal blocks of dB. incb >= 0. See inca.
[in]	queue	magma_queue_t Queue to execute in.

magmablas_sswapdblk()

void magmablas_sswapdblk	(	magma_int_t	n,
		magma_int_t	nb,
		magmaFloat_ptr	dA,
		magma_int_t	ldda,
		magma_int_t	inca,
		magmaFloat_ptr	dB,
		magma_int_t	lddb,
		magma_int_t	incb,
		magma_queue_t	queue )

sswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.

It swaps nblocks = n/nb blocks. For i = 1 .. nblocks, submatrices dA( i*nb*inca, i*nb ) and dB( i*nb*incb, i*nb ) are swapped.

Parameters

[in]	n	INTEGER The number of columns of the matrices dA and dB. N >= 0.
[in]	nb	INTEGER The size of diagonal blocks. NB > 0 and NB <= maximum threads per CUDA block (512 or 1024).
[in,out]	dA	REAL array, dimension (LDDA,N) The matrix dA.
[in]	ldda	INTEGER The leading dimension of the array dA. LDDA >= (nblocks - 1)*nb*inca + nb.
[in]	inca	INTEGER The row increment between diagonal blocks of dA. inca >= 0. For example, inca = 1 means blocks are stored on the diagonal at dA(i*nb, i*nb), inca = 0 means blocks are stored side-by-side at dA(0, i*nb).
[in,out]	dB	REAL array, dimension (LDDB,N) The matrix dB.
[in]	lddb	INTEGER The leading dimension of the array db. LDDB >= (nblocks - 1)*nb*incb + nb.
[in]	incb	INTEGER The row increment between diagonal blocks of dB. incb >= 0. See inca.
[in]	queue	magma_queue_t Queue to execute in.

magmablas_zswapdblk()

void magmablas_zswapdblk	(	magma_int_t	n,
		magma_int_t	nb,
		magmaDoubleComplex_ptr	dA,
		magma_int_t	ldda,
		magma_int_t	inca,
		magmaDoubleComplex_ptr	dB,
		magma_int_t	lddb,
		magma_int_t	incb,
		magma_queue_t	queue )

zswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.

It swaps nblocks = n/nb blocks. For i = 1 .. nblocks, submatrices dA( i*nb*inca, i*nb ) and dB( i*nb*incb, i*nb ) are swapped.

Parameters

[in]	n	INTEGER The number of columns of the matrices dA and dB. N >= 0.
[in]	nb	INTEGER The size of diagonal blocks. NB > 0 and NB <= maximum threads per CUDA block (512 or 1024).
[in,out]	dA	COMPLEX_16 array, dimension (LDDA,N) The matrix dA.
[in]	ldda	INTEGER The leading dimension of the array dA. LDDA >= (nblocks - 1)*nb*inca + nb.
[in]	inca	INTEGER The row increment between diagonal blocks of dA. inca >= 0. For example, inca = 1 means blocks are stored on the diagonal at dA(i*nb, i*nb), inca = 0 means blocks are stored side-by-side at dA(0, i*nb).
[in,out]	dB	COMPLEX_16 array, dimension (LDDB,N) The matrix dB.
[in]	lddb	INTEGER The leading dimension of the array db. LDDB >= (nblocks - 1)*nb*incb + nb.
[in]	incb	INTEGER The row increment between diagonal blocks of dB. incb >= 0. See inca.
[in]	queue	magma_queue_t Queue to execute in.

magmablas_zswapdblk_batched()

void magmablas_zswapdblk_batched	(	magma_int_t	n,
		magma_int_t	nb,
		magmaDoubleComplex **	dA_array,
		magma_int_t	ldda,
		magma_int_t	inca,
		magmaDoubleComplex **	dB_array,
		magma_int_t	lddb,
		magma_int_t	incb,
		magma_int_t	batchCount,
		magma_queue_t	queue )

zswapdblk swaps diagonal blocks of size nb x nb between matrices dA and dB on the GPU.

It swaps nblocks = ceil(n/nb) blocks. For i = 1 .. nblocks, submatrices dA( i*nb*inca, i*nb ) and dB( i*nb*incb, i*nb ) are swapped.

Parameters

[in]	n	INTEGER The number of columns of the matrices dA and dB. N >= 0.
[in]	nb	INTEGER The size of diagonal blocks. NB > 0 and NB <= maximum threads per CUDA block (512 or 1024).
[in,out]	dA_array	Array of pointers, dimension (batchCount). Each is a COMPLEX_16 array dA, dimension (ldda,n) The matrix dA.
[in]	ldda	INTEGER The leading dimension of each array dA. ldda >= (nblocks - 1)*nb*inca + nb.
[in]	inca	INTEGER The row increment between diagonal blocks of dA. inca >= 0. For example, inca = 1 means blocks are stored on the diagonal at dA(i*nb, i*nb), inca = 0 means blocks are stored side-by-side at dA(0, i*nb).
[in,out]	dB_array	Array of pointers, dimension (batchCount). Each is a COMPLEX_16 array dB, dimension (lddb,n) The matrix dB.
[in]	lddb	INTEGER The leading dimension of each array dB. lddb >= (nblocks - 1)*nb*incb + nb.
[in]	incb	INTEGER The row increment between diagonal blocks of dB. incb >= 0. See inca.
[in]	batchCount	INTEGER The number of matrices to operate on.
[in]	queue	magma_queue_t Queue to execute in.