pdgelqfrh.c File Reference

#include "common.h"

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Macros
#define	A(m, n)   BLKADDR(A, double, (m), (n))
#define	T(m, n)   BLKADDR(T, double, (m), (n))
#define	T2(m, n)   BLKADDR(T, double, (m), (n)+A.nt)

Functions
void	plasma_pdgelqfrh_quark (PLASMA_desc A, PLASMA_desc T, int BS, PLASMA_sequence *sequence, PLASMA_request *request)

---

Detailed Description

PLASMA auxiliary routines PLASMA is a software package provided by Univ. of Tennessee, Univ. of California Berkeley and Univ. of Colorado Denver

Version:

2.4.5

Author:

Jakub Kurzak

Hatem Ltaief

Dulceneia Becker

Date:

2010-11-15 d Tue Nov 22 14:35:38 2011

Definition in file pdgelqfrh.c.

---

Macro Definition Documentation

#define A	(		m,
			n
	)		BLKADDR(A, double, (m), (n))

Definition at line 19 of file pdgelqfrh.c.

#define T	(		m,
			n
	)		BLKADDR(T, double, (m), (n))

Definition at line 20 of file pdgelqfrh.c.

#define T2	(		m,
			n
	)		BLKADDR(T, double, (m), (n)+A.nt)

Definition at line 21 of file pdgelqfrh.c.

---

Function Documentation

void plasma_pdgelqfrh_quark	(	PLASMA_desc	A,
		PLASMA_desc	T,
		int	BS,
		PLASMA_sequence *	sequence,
		PLASMA_request *	request
	)

Parallel tile LQ factorization (reduction Householder) - dynamic scheduling

Definition at line 25 of file pdgelqfrh.c.

References A, BLKLDD, plasma_desc_t::m, plasma_desc_t::mb, min, plasma_desc_t::mt, plasma_desc_t::n, plasma_desc_t::nb, plasma_desc_t::nt, plasma_context_self(), PLASMA_IB, PLASMA_SUCCESS, PlasmaRight, PlasmaTrans, plasma_context_struct::quark, QUARK_CORE_dgelqt(), QUARK_CORE_dormlq(), QUARK_CORE_dtslqt(), QUARK_CORE_dtsmlq(), QUARK_CORE_dttlqt(), QUARK_CORE_dttmlq(), plasma_sequence_t::quark_sequence, QUARK_Task_Flag_Set(), Quark_Task_Flags_Initializer, plasma_sequence_t::status, T, T2, and TASK_SEQUENCE.

{
    plasma_context_t *plasma;
    Quark_Task_Flags task_flags = Quark_Task_Flags_Initializer;

    int k, m, n;
    int N, RD;
    int ldak, ldam;
    int tempkmin, tempkm, tempNn, tempnn, tempmm, tempNRDn;
    int ib;

    plasma = plasma_context_self();
    if (sequence->status != PLASMA_SUCCESS)
        return;
    QUARK_Task_Flag_Set(&task_flags, TASK_SEQUENCE, (intptr_t)sequence->quark_sequence);

    ib = PLASMA_IB;

    for (k = 0; k < min(A.mt, A.nt); k++) {
        tempkm = k == A.mt-1 ? A.m-k*A.mb : A.mb;
        ldak = BLKLDD(A, k);
        for (N = k; N < A.nt; N += BS) {
            tempNn = N == A.nt-1 ? A.n-N*A.nb : A.nb;
            tempkmin = min(tempkm, tempNn);
            QUARK_CORE_dgelqt(
                plasma->quark, &task_flags,
                tempkm, tempNn, ib, T.nb,
                A(k, N), ldak,
                T(k, N), T.mb);
            for (m = k+1; m < A.mt; m++) {
                tempmm = m == A.mt-1 ? A.m-m*A.mb : A.mb;
                ldam = BLKLDD(A, m);
                QUARK_CORE_dormlq(
                    plasma->quark, &task_flags,
                    PlasmaRight, PlasmaTrans,
                    tempmm, tempNn, tempkmin, ib, T.nb,
                    A(k, N), ldak,
                    T(k, N), T.mb,
                    A(m, N), ldam);
            }
            for (n = N+1; n < min(N+BS, A.nt); n++) {
                tempnn = n == A.nt-1 ? A.n-n*A.nb : A.nb;
                QUARK_CORE_dtslqt(
                    plasma->quark, &task_flags,
                    tempkm, tempnn, ib, T.nb,
                    A(k, N), ldak,
                    A(k, n), ldak,
                    T(k, n), T.mb);

                for (m = k+1; m < A.mt; m++) {
                    tempmm = m == A.mt-1 ? A.m-m*A.mb : A.mb;
                    ldam = BLKLDD(A, m);
                    QUARK_CORE_dtsmlq(
                        plasma->quark, &task_flags,
                        PlasmaRight, PlasmaTrans,
                        tempmm, A.nb, tempmm, tempnn, tempkm, ib, T.nb,
                        A(m, N), ldam,
                        A(m, n), ldam,
                        A(k, n), ldak,
                        T(k, n), T.mb);
                }
            }
        }
        for (RD = BS; RD < A.nt-k; RD *= 2) {
            for (N = k; N+RD < A.nt; N += 2*RD) {
                tempNRDn = N+RD == A.nt-1 ? A.n-(N+RD)*A.nb : A.nb;
                QUARK_CORE_dttlqt(
                    plasma->quark, &task_flags,
                    tempkm, tempNRDn, ib, T.nb,
                    A (k, N   ), ldak,
                    A (k, N+RD), ldak,
                    T2(k, N+RD), T.mb);

                for (m = k+1; m < A.mt; m++) {
                    tempmm = m == A.mt-1 ? A.m-m*A.mb : A.mb;
                    ldam   = BLKLDD(A, m );
                    QUARK_CORE_dttmlq(
                        plasma->quark, &task_flags,
                        PlasmaRight, PlasmaTrans,
                        tempmm, A.nb, tempmm, tempNRDn, tempkm, ib, T.nb,
                        A (m, N   ), ldam,
                        A (m, N+RD), ldam,
                        A (k, N+RD), ldak,
                        T2(k, N+RD), T.mb);
                }
            }
        }
    }
}

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