Add now driver and parallel implementation

compute/CMakeLists.txt

@@ -130,6 +130,7 @@ set(ZSRC
     pzunmlqrh.c
     pzunmqr.c
     pzunmqrrh.c
+    pztpqrt.c
     ###
     zgels.c
     zgelqf.c
@@ -167,6 +168,7 @@ set(ZSRC
     zungqr.c
     zunmlq.c
     zunmqr.c
+    ztpqrt.c
     ##################
     # MIXED PRECISION
     ##################

compute/pztpqrt.c

+/**
+ *
+ * @copyright (c) 2009-2016 The University of Tennessee and The University
+ *                          of Tennessee Research Foundation.
+ *                          All rights reserved.
+ * @copyright (c) 2012-2016 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria,
+ *                          Univ. Bordeaux. All rights reserved.
+ *
+ **/
+
+/**
+ *
+ * @file pztpqrt.c
+ *
+ *  MORSE computational routines
+ *  MORSE is a software package provided by Univ. of Tennessee,
+ *  Univ. of California Berkeley and Univ. of Colorado Denver
+ *
+ * @version 0.9.0
+ * @author Mathieu Faverge
+ * @date 2016-12-15
+ * @precisions normal z -> s d c
+ *
+ **/
+#include "control/common.h"
+
+#define A(m,n) A,  m,  n
+#define B(m,n) B,  m,  n
+#define T(m,n) T,  m,  n
+#if defined(CHAMELEON_COPY_DIAG)
+#define DIAG(k) DIAG, k, 0
+#else
+#define DIAG(k) A, k, k
+#endif
+
+/***************************************************************************//**
+ *  Parallel tile QR factorization - dynamic scheduling
+ **/
+void morse_pztpqrt( int L, MORSE_desc_t *A, MORSE_desc_t *B, MORSE_desc_t *T,
+                    MORSE_sequence_t *sequence, MORSE_request_t *request )
+{
+    MORSE_context_t *morse;
+    MORSE_option_t options;
+    size_t ws_worker = 0;
+    size_t ws_host = 0;
+    MORSE_desc_t *DIAG = NULL;
+
+    int k, m, n;
+    int ldak, ldbm;
+    int tempkm, tempkn, tempnn, tempmm, templm;
+    int ib;
+
+    /* Dimension of the first column */
+    int maxm  = B->m - L;
+    int maxmt = (maxm % B->mb == 0) ? (maxm / B->mb) : (maxm / B->mb + 1);
+
+    morse = morse_context_self();
+    if (sequence->status != MORSE_SUCCESS)
+        return;
+    RUNTIME_options_init(&options, morse, sequence, request);
+
+    ib = MORSE_IB;
+
+    /*
+     * zgeqrt = A->nb * (ib+1)
+     * zunmqr = A->nb * ib
+     * ztsqrt = A->nb * (ib+1)
+     * ztsmqr = A->nb * ib
+     */
+    ws_worker = A->nb * (ib+1);
+
+    /* Allocation of temporary (scratch) working space */
+#if defined(CHAMELEON_USE_CUDA)
+    /* Worker space
+     *
+     * zunmqr = A->nb * ib
+     * ztsmqr = 2 * A->nb * ib
+     */
+    ws_worker = max( ws_worker, ib * A->nb * 2 );
+#endif
+
+#if defined(CHAMELEON_USE_MAGMA)
+    /* Worker space
+     *
+     * zgeqrt = max( A->nb * (ib+1), ib * (ib + A->nb) )
+     * ztsqrt = max( A->nb * (ib+1), ib * (ib + A->nb) )
+     */
+    ws_worker = max( ws_worker, ib * (ib + A->nb) );
+
+    /* Host space
+     *
+     * zgeqrt = ib * (A->mb+3*ib) + A->mb )
+     * ztsqrt = 2 * ib * (A->nb+ib) + A->nb
+     */
+    ws_host = max( ws_host, ib * (A->mb + 3 * ib) + A->mb );
+    ws_host = max( ws_host,  2 * ib * (A->nb + ib) + A->nb );
+#endif
+
+    ws_worker *= sizeof(MORSE_Complex64_t);
+    ws_host   *= sizeof(MORSE_Complex64_t);
+
+    RUNTIME_options_ws_alloc( &options, ws_worker, ws_host );
+
+#if defined(CHAMELEON_COPY_DIAG)
+    /* necessary to avoid dependencies between tsqrt and unmqr tasks regarding the diag tile */
+    DIAG = (MORSE_desc_t*)malloc(sizeof(MORSE_desc_t));
+    morse_zdesc_alloc_diag(*DIAG, A->mb, A->nb, min(A->m, A->n), A->nb, 0, 0, min(A->m, A->n), A->nb, A->p, A->q);
+#endif
+
+    for (k = 0; k < A->nt; k++) {
+        tempkm = k == A->mt-1 ? A->m-k*A->mb : A->mb;
+        tempkn = k == A->nt-1 ? A->n-k*A->nb : A->nb;
+        ldak = BLKLDD(A, k);
+
+        for (m = 0; m < maxmt; m++) {
+            tempmm = m == B->mt-1 ? B->m-m*B->mb : B->mb;
+            templm = m == maxmt-1 ? tempmm       : 0;
+            ldbm = BLKLDD(B, m);
+            MORSE_TASK_ztpqrt(
+                &options,
+                tempmm, tempkn, templm, ib, T->nb,
+                A(k, k), ldak,
+                B(m, k), ldbm,
+                T(m, k), T->mb );
+
+            for (n = k+1; n < B->nt; n++) {
+                tempnn = n == B->nt-1 ? B->n-n*B->nb : B->nb;
+                MORSE_TASK_ztpmqrt(
+                    &options,
+                    MorseLeft, MorseConjTrans,
+                    tempmm, tempnn, tempkm, templm, ib, T->nb,
+                    B(m, k), ldbm,
+                    T(m, k), T->mb,
+                    A(k, n), ldak,
+                    B(m, n), ldbm );
+            }
+        }
+
+        maxmt = min( B->mt, maxmt+1 );
+    }
+    RUNTIME_options_ws_free(&options);
+    RUNTIME_options_finalize(&options, morse);
+    MORSE_TASK_dataflush_all();
+
+#if defined(CHAMELEON_COPY_DIAG)
+    MORSE_Sequence_Wait(sequence);
+    morse_desc_mat_free(DIAG);
+    free(DIAG);
+#endif
+    (void)DIAG;
+}

control/compute_z.h

@@ -134,6 +134,7 @@ void morse_pzsyrk(MORSE_enum uplo, MORSE_enum trans, MORSE_Complex64_t alpha, MO
 void morse_pzsyr2k(MORSE_enum uplo, MORSE_enum trans, MORSE_Complex64_t alpha, MORSE_desc_t *A, MORSE_desc_t *B, MORSE_Complex64_t beta, MORSE_desc_t *C, MORSE_sequence_t *sequence, MORSE_request_t *request);
 void morse_pzsytrf(MORSE_enum uplo, MORSE_desc_t *A, MORSE_sequence_t *sequence, MORSE_request_t *request);
 void morse_pztile2band(MORSE_enum uplo, MORSE_desc_t *A, MORSE_desc_t *descAB, MORSE_sequence_t *sequence, MORSE_request_t *request);
+void morse_pztpqrt( int L, MORSE_desc_t *A, MORSE_desc_t *B, MORSE_desc_t *T, MORSE_sequence_t *sequence, MORSE_request_t *request );
 void morse_pztradd(MORSE_enum uplo, MORSE_enum trans, MORSE_Complex64_t alpha, MORSE_desc_t *A, MORSE_Complex64_t beta, MORSE_desc_t *B, MORSE_sequence_t *sequence, MORSE_request_t *request);
 void morse_pztrmm(MORSE_enum side, MORSE_enum uplo, MORSE_enum transA, MORSE_enum diag, MORSE_Complex64_t alpha, MORSE_desc_t *A, MORSE_desc_t *B, MORSE_sequence_t *sequence, MORSE_request_t *request);
 void morse_pztrsm(MORSE_enum side, MORSE_enum uplo, MORSE_enum transA, MORSE_enum diag, MORSE_Complex64_t alpha, MORSE_desc_t *A, MORSE_desc_t *B, MORSE_sequence_t *sequence, MORSE_request_t *request);