Exemplo n.º 1
0
void bli_trmm_blk_var1f( obj_t*  a,
                         obj_t*  b,
                         obj_t*  c,
                         gemm_t* cntl,
                         trmm_thrinfo_t* thread )
{
    obj_t b_pack_s;
    obj_t a1_pack_s, c1_pack_s;

    obj_t a1, c1; 
    obj_t* a1_pack  = NULL;
    obj_t* b_pack   = NULL;
    obj_t* c1_pack  = NULL;

	dim_t i;
	dim_t b_alg;

	// Prune any zero region that exists along the partitioning dimension.
	bli_trmm_prune_unref_mparts_m( a, b, c );

    if( thread_am_ochief( thread ) ) { 
        // Initialize object for packing B.
        bli_obj_init_pack( &b_pack_s );
        bli_packm_init( b, &b_pack_s,
                        cntl_sub_packm_b( cntl ) );

        // Scale C by beta (if instructed).
        // Since scalm doesn't support multithreading yet, must be done by chief thread (ew)
        bli_scalm_int( &BLIS_ONE,
                       c,  
                       cntl_sub_scalm( cntl ) );
    }   
    b_pack = thread_obroadcast( thread, &b_pack_s );

	// Initialize all pack objects that are passed into packm_init().
    if( thread_am_ichief( thread ) ) {
        bli_obj_init_pack( &a1_pack_s );
        bli_obj_init_pack( &c1_pack_s );
    }
    a1_pack = thread_ibroadcast( thread, &a1_pack_s );
    c1_pack = thread_ibroadcast( thread, &c1_pack_s );

	// Pack B (if instructed).
	bli_packm_int( b, b_pack,
	               cntl_sub_packm_b( cntl ),
                   trmm_thread_sub_opackm( thread ) );

	// Set the default length of and offset to the non-zero part of A.
	//m_trans = bli_obj_length_after_trans( *a );
	//offA    = 0;

	// If A is lower triangular, we have to adjust where the non-zero part of
	// A begins. If A is upper triangular, we have to adjust the length of
	// the non-zero part. If A is general/dense, then we keep the defaults.
	//if      ( bli_obj_is_lower( *a ) )
	//	offA    = bli_abs( bli_obj_diag_offset_after_trans( *a ) );
	//else if ( bli_obj_is_upper( *a ) )
	//	m_trans = bli_abs( bli_obj_diag_offset_after_trans( *a ) ) +
	//	          bli_obj_width_after_trans( *a );

    dim_t my_start, my_end;
    bli_get_range_weighted_t2b( thread, a, 
                                bli_blksz_get_mult_for_obj( a, cntl_blocksize( cntl ) ),
                                &my_start, &my_end );

	// Partition along the m dimension.
	for ( i = my_start; i < my_end; i += b_alg )
	{
		// Determine the current algorithmic blocksize.
		b_alg = bli_determine_blocksize_f( i, my_end, a,
		                                   cntl_blocksize( cntl ) );

		// Acquire partitions for A1 and C1.
		bli_acquire_mpart_t2b( BLIS_SUBPART1,
		                       i, b_alg, a, &a1 );
		bli_acquire_mpart_t2b( BLIS_SUBPART1,
		                       i, b_alg, c, &c1 );

		// Initialize objects for packing A1 and C1.
        if( thread_am_ichief( thread ) ) {
            bli_packm_init( &a1, a1_pack,
                            cntl_sub_packm_a( cntl ) );
            bli_packm_init( &c1, c1_pack,
                            cntl_sub_packm_c( cntl ) );
        }
        thread_ibarrier( thread );

		// Pack A1 (if instructed).
		bli_packm_int( &a1, a1_pack,
		               cntl_sub_packm_a( cntl ),
                       trmm_thread_sub_ipackm( thread ) );

		// Pack C1 (if instructed).
		bli_packm_int( &c1, c1_pack,
		               cntl_sub_packm_c( cntl ),
                       trmm_thread_sub_ipackm( thread ) );
        
		// Perform trmm subproblem.
		bli_trmm_int( &BLIS_ONE,
		              a1_pack,
		              b_pack,
		              &BLIS_ONE,
		              c1_pack,
		              cntl_sub_gemm( cntl ),
                      trmm_thread_sub_trmm( thread ) );
        thread_ibarrier( thread );

		// Unpack C1 (if C1 was packed).
        bli_unpackm_int( c1_pack, &c1,
                         cntl_sub_unpackm_c( cntl ),
                         trmm_thread_sub_ipackm( thread ) );
	}

	// If any packing buffers were acquired within packm, release them back
	// to the memory manager.
    thread_obarrier( thread );
    if( thread_am_ochief( thread ) )
        bli_packm_release( b_pack, cntl_sub_packm_b( cntl ) );
    if( thread_am_ichief( thread ) ){
        bli_packm_release( a1_pack, cntl_sub_packm_a( cntl ) );
        bli_packm_release( c1_pack, cntl_sub_packm_c( cntl ) );
    }
}
Exemplo n.º 2
0
void bli_trmm_blk_var3b( obj_t*  a,
                         obj_t*  b,
                         obj_t*  c,
                         gemm_t* cntl,
                         trmm_thrinfo_t* thread )
{
    obj_t  c_pack_s;
    obj_t  a1_pack_s, b1_pack_s;

    obj_t  a1, b1;
    obj_t* a1_pack = NULL;
    obj_t* b1_pack = NULL;
    obj_t* c_pack = NULL;

	dim_t i;
	dim_t b_alg;
	dim_t k_trans;

    if( thread_am_ochief( thread ) ){
        // Initialize object for packing C
        bli_obj_init_pack( &c_pack_s );
        bli_packm_init( c, &c_pack_s,
                        cntl_sub_packm_c( cntl ) );

        // Scale C by beta (if instructed).
        bli_scalm_int( &BLIS_ONE,
                       c,  
                       cntl_sub_scalm( cntl ) );
    }   
    c_pack = thread_obroadcast( thread, &c_pack_s );

    // Initialize pack objects for A and B that are passed into packm_init().
    if( thread_am_ichief( thread ) ){
        bli_obj_init_pack( &a1_pack_s );
        bli_obj_init_pack( &b1_pack_s );
    }   
    a1_pack = thread_ibroadcast( thread, &a1_pack_s );
    b1_pack = thread_ibroadcast( thread, &b1_pack_s );

	// Pack C (if instructed).
	bli_packm_int( c, c_pack,
	               cntl_sub_packm_c( cntl ),
                   trmm_thread_sub_opackm( thread ) );

	// Query dimension in partitioning direction.
	k_trans = bli_obj_width_after_trans( *a );

	// Partition along the k dimension.
	for ( i = 0; i < k_trans; i += b_alg )
	{
		// Determine the current algorithmic blocksize.
		// NOTE: We call a trmm-specific function to determine the kc
		// blocksize so that we can implement the "nudging" of kc to be
		// a multiple of mr or nr, as needed.
		b_alg = bli_trmm_determine_kc_b( i, k_trans, a, b,
		                                 cntl_blocksize( cntl ) );

		// Acquire partitions for A1 and B1.
		bli_acquire_mpart_r2l( BLIS_SUBPART1,
		                       i, b_alg, a, &a1 );
		bli_acquire_mpart_b2t( BLIS_SUBPART1,
		                       i, b_alg, b, &b1 );

		// Initialize objects for packing A1 and B1.
        if( thread_am_ichief( thread ) ) {
            bli_packm_init( &a1, a1_pack,
                            cntl_sub_packm_a( cntl ) );
            bli_packm_init( &b1, b1_pack,
                            cntl_sub_packm_b( cntl ) );
        }
        thread_ibarrier( thread );

		// Pack A1 (if instructed).
		bli_packm_int( &a1, a1_pack,
		               cntl_sub_packm_a( cntl ),
                       trmm_thread_sub_ipackm( thread ) );

		// Pack B1 (if instructed).
		bli_packm_int( &b1, b1_pack,
		               cntl_sub_packm_b( cntl ),
                       trmm_thread_sub_ipackm( thread ) );

		// Perform trmm subproblem.
		bli_trmm_int( &BLIS_ONE,
		              a1_pack,
		              b1_pack,
		              &BLIS_ONE,
		              c_pack,
		              cntl_sub_gemm( cntl ),
                      trmm_thread_sub_trmm( thread ) );
        thread_ibarrier( thread );
	}

    thread_obarrier( thread );

    // Unpack C (if C was packed).
    bli_unpackm_int( c_pack, c,
                     cntl_sub_unpackm_c( cntl ),
                     trmm_thread_sub_opackm( thread ) );

    // If any packing buffers were acquired within packm, release them back
    // to the memory manager.
    if( thread_am_ochief( thread ) ){
        bli_packm_release( c_pack, cntl_sub_packm_c( cntl ) );
    }
    if( thread_am_ichief( thread ) ){
        bli_packm_release( a1_pack, cntl_sub_packm_a( cntl ) );
        bli_packm_release( b1_pack, cntl_sub_packm_b( cntl ) );
    }
}
Exemplo n.º 3
0
void bli_trmm_blk_var2b( obj_t*  a,
                         obj_t*  b,
                         obj_t*  c,
                         cntx_t* cntx,
                         gemm_t* cntl,
                         trmm_thrinfo_t* thread )
{
    obj_t a_pack_s;
    obj_t b1_pack_s, c1_pack_s;
    
    obj_t b1, c1; 
    obj_t*  a_pack = NULL;
    obj_t*  b1_pack = NULL;
    obj_t*  c1_pack = NULL;

	dim_t i;
	dim_t b_alg;

	// Prune any zero region that exists along the partitioning dimension.
	bli_trmm_prune_unref_mparts_n( a, b, c );

    if( thread_am_ochief( thread ) ) { 
        // Initialize object for packing A
        bli_obj_init_pack( &a_pack_s );
        bli_packm_init( a, &a_pack_s,
                        cntx, cntl_sub_packm_a( cntl ) );

        // Scale C by beta (if instructed).
        bli_scalm_int( &BLIS_ONE,
                       c,  
                       cntx, cntl_sub_scalm( cntl ) );
    }   
    a_pack = thread_obroadcast( thread, &a_pack_s );

    // Initialize pack objects for B and C that are passed into packm_init().
    if( thread_am_ichief( thread ) ) { 
        bli_obj_init_pack( &b1_pack_s );
        bli_obj_init_pack( &c1_pack_s );
    }   
    b1_pack = thread_ibroadcast( thread, &b1_pack_s );
    c1_pack = thread_ibroadcast( thread, &c1_pack_s );

	// Pack A (if instructed).
	bli_packm_int( a, a_pack,
	               cntx, cntl_sub_packm_a( cntl ),
                   trmm_thread_sub_opackm( thread ) );

    dim_t my_start, my_end;
    bli_get_range_weighted_r2l( thread, b,
                                bli_cntx_get_bmult( cntl_bszid( cntl ), cntx ),
                                &my_start, &my_end );

	// Partition along the n dimension.
	for ( i = my_start; i < my_end; i += b_alg )
	{
		// Determine the current algorithmic blocksize.
		b_alg = bli_determine_blocksize_b( i, my_end, b,
		                                   cntl_bszid( cntl ), cntx );

		// Acquire partitions for B1 and C1.
		bli_acquire_mpart_r2l( BLIS_SUBPART1,
		                       i, b_alg, b, &b1 );
		bli_acquire_mpart_r2l( BLIS_SUBPART1,
		                       i, b_alg, c, &c1 );

		// Initialize objects for packing A1 and B1.
        if( thread_am_ichief( thread ) ) {
            bli_packm_init( &b1, b1_pack,
                            cntx, cntl_sub_packm_b( cntl ) );
            bli_packm_init( &c1, c1_pack,
                            cntx, cntl_sub_packm_c( cntl ) );
        }
        thread_ibarrier( thread );

		// Pack B1 (if instructed).
		bli_packm_int( &b1, b1_pack,
		               cntx, cntl_sub_packm_b( cntl ),
                       trmm_thread_sub_ipackm( thread ) );

		// Pack C1 (if instructed).
		bli_packm_int( &c1, c1_pack,
		               cntx, cntl_sub_packm_c( cntl ),
                       trmm_thread_sub_ipackm( thread ) );

		// Perform trmm subproblem.
		bli_trmm_int( &BLIS_ONE,
		              a_pack,
		              b1_pack,
		              &BLIS_ONE,
		              c1_pack,
		              cntx,
		              cntl_sub_gemm( cntl ),
                      trmm_thread_sub_trmm( thread ) );
        thread_ibarrier( thread );

        // Unpack C1 (if C1 was packed).
        bli_unpackm_int( c1_pack, &c1,
                         cntx, cntl_sub_unpackm_c( cntl ),
                         trmm_thread_sub_ipackm( thread ) );
	}

	// If any packing buffers were acquired within packm, release them back
	// to the memory manager.
    thread_obarrier( thread );
    if( thread_am_ochief( thread ) )
        bli_packm_release( a_pack, cntl_sub_packm_a( cntl ) );
    if( thread_am_ichief( thread ) ) {
        bli_packm_release( b1_pack, cntl_sub_packm_b( cntl ) );
        bli_packm_release( c1_pack, cntl_sub_packm_c( cntl ) );
    }
}
Exemplo n.º 4
0
void bli_trmm_blk_var2b( obj_t*  a,
                         obj_t*  b,
                         obj_t*  c,
                         gemm_t* cntl,
                         trmm_thrinfo_t* thread )
{
    obj_t a_pack_s;
    obj_t b1_pack_s, c1_pack_s;
    
    obj_t b1, c1; 
    obj_t*  a_pack = NULL;
    obj_t*  b1_pack = NULL;
    obj_t*  c1_pack = NULL;

	dim_t i;
	dim_t b_alg;
	dim_t n_trans;


    if( thread_am_ochief( thread ) ) { 
        // Initialize object for packing A
        bli_obj_init_pack( &a_pack_s );
        bli_packm_init( a, &a_pack_s,
                        cntl_sub_packm_a( cntl ) );

        // Scale C by beta (if instructed).
        bli_scalm_int( &BLIS_ONE,
                       c,  
                       cntl_sub_scalm( cntl ) );
    }   
    a_pack = thread_obroadcast( thread, &a_pack_s );

    // Initialize pack objects for B and C that are passed into packm_init().
    if( thread_am_ichief( thread ) ) { 
        bli_obj_init_pack( &b1_pack_s );
        bli_obj_init_pack( &c1_pack_s );
    }   
    b1_pack = thread_ibroadcast( thread, &b1_pack_s );
    c1_pack = thread_ibroadcast( thread, &c1_pack_s );

	// Pack A (if instructed).
	bli_packm_int( a, a_pack,
	               cntl_sub_packm_a( cntl ),
                   trmm_thread_sub_opackm( thread ) );

	// Query dimension in partitioning direction.
	n_trans = bli_obj_width_after_trans( *b );
    dim_t start, end;
    bli_get_range_weighted( thread, 0, n_trans, 
                            bli_determine_reg_blocksize( b, cntl_blocksize( cntl ) ),
                            bli_obj_is_upper( *c ), &start, &end );

	// Partition along the n dimension.
	for ( i = start; i < end; i += b_alg )
	{
		// Determine the current algorithmic blocksize.
		b_alg = bli_determine_blocksize_b( i, end, b,
		                                   cntl_blocksize( cntl ) );

		// Acquire partitions for B1 and C1.
		bli_acquire_mpart_r2l( BLIS_SUBPART1,
		                       i, b_alg, b, &b1 );
		bli_acquire_mpart_r2l( BLIS_SUBPART1,
		                       i, b_alg, c, &c1 );

		// Initialize objects for packing A1 and B1.
        if( thread_am_ichief( thread ) ) {
            bli_packm_init( &b1, b1_pack,
                            cntl_sub_packm_b( cntl ) );
            bli_packm_init( &c1, c1_pack,
                            cntl_sub_packm_c( cntl ) );
        }
        thread_ibarrier( thread );

		// Pack B1 (if instructed).
		bli_packm_int( &b1, b1_pack,
		               cntl_sub_packm_b( cntl ),
                       trmm_thread_sub_ipackm( thread ) );

		// Pack C1 (if instructed).
		bli_packm_int( &c1, c1_pack,
		               cntl_sub_packm_c( cntl ),
                       trmm_thread_sub_ipackm( thread ) );

		// Perform trmm subproblem.
		bli_trmm_int( &BLIS_ONE,
		              a_pack,
		              b1_pack,
		              &BLIS_ONE,
		              c1_pack,
		              cntl_sub_gemm( cntl ),
                      trmm_thread_sub_trmm( thread ) );

        // Unpack C1 (if C1 was packed).
        bli_unpackm_int( c1_pack, &c1,
                         cntl_sub_unpackm_c( cntl ),
                         trmm_thread_sub_ipackm( thread ) );
	}

	// If any packing buffers were acquired within packm, release them back
	// to the memory manager.
    thread_obarrier( thread );
    if( thread_am_ochief( thread ) )
        bli_obj_release_pack( a_pack );
    if( thread_am_ichief( thread ) ) {
        bli_obj_release_pack( b1_pack );
        bli_obj_release_pack( c1_pack );
    }
}