Esempio n. 1
0
void bli_gemm_blk_var1f( obj_t*  a,
                         obj_t*  b,
                         obj_t*  c,
                         cntx_t* cntx,
                         gemm_t* cntl,
                         gemm_thrinfo_t* thread )
{
    //The s is for "lives on the stack"
    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;

    if( thread_am_ochief( thread ) ) {
	    // Initialize object for packing B.
	    bli_obj_init_pack( &b_pack_s );
	    bli_packm_init( b, &b_pack_s,
	                    cntx, 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,
                       cntx, cntl_sub_scalm( cntl ) );
    }
    b_pack = thread_obroadcast( thread, &b_pack_s );

	// Initialize objects passed into bli_packm_init for A and C
    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,
	               cntx, cntl_sub_packm_b( cntl ),
                   gemm_thread_sub_opackm( thread ) );

    dim_t my_start, my_end;
    bli_get_range_t2b( thread, a,
                       bli_cntx_get_bmult( cntl_bszid( cntl ), cntx ),
                       &my_start, &my_end );

	// Partition along the m dimension.
	for ( i = my_start; i < my_end; i += b_alg )
	{
		// Determine the current algorithmic blocksize.
		// NOTE: Use of a (for execution datatype) is intentional!
		// This causes the right blocksize to be used if c and a are
		// complex and b is real.
		b_alg = bli_determine_blocksize_f( i, my_end, a,
		                                   cntl_bszid( cntl ), cntx );

		// 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,
                            cntx, cntl_sub_packm_a( cntl ) );
            bli_packm_init( &c1, c1_pack,
                            cntx, cntl_sub_packm_c( cntl ) );
        }
        thread_ibarrier( thread );

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

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

		// Perform gemm subproblem.
		bli_gemm_int( &BLIS_ONE,
		              a1_pack,
		              b_pack,
		              &BLIS_ONE,
		              c1_pack,
		              cntx,
		              cntl_sub_gemm( cntl ),
                      gemm_thread_sub_gemm( thread ) );

        thread_ibarrier( thread );

		// Unpack C1 (if C1 was packed).
        // Currently must be done by 1 thread
        bli_unpackm_int( c1_pack, &c1,
                         cntx, cntl_sub_unpackm_c( cntl ),
                         gemm_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 ) );
    }
}
Esempio n. 2
0
void bli_trsm_blk_var1f( obj_t*  a,
                         obj_t*  b,
                         obj_t*  c,
                         trsm_t* cntl,
                         trsm_thrinfo_t* thread )
{
    obj_t b_pack_s;
    obj_t a1_pack_s;

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

	dim_t i;
	dim_t b_alg;
	dim_t m_trans;
	dim_t offA;

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

    // Initialize object for packing B.
    if( thread_am_ichief( thread ) ) {
        bli_obj_init_pack( &a1_pack_s );
    }
    a1_pack = thread_ibroadcast( thread, &a1_pack_s );

	// Pack B1 (if instructed).
	bli_packm_int( b, b_pack,
	               cntl_sub_packm_b( cntl ),
                   trsm_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 ( bli_obj_is_lower( *a ) )
		offA = bli_abs( bli_obj_diag_offset_after_trans( *a ) );

    dim_t start, end;
    num_t dt = bli_obj_execution_datatype( *a );
    bli_get_range_t2b( thread, offA, m_trans,
                       //bli_lcm( bli_info_get_default_nr( BLIS_TRSM, dt ), bli_info_get_default_mr( BLIS_TRSM, dt ) ),
                       bli_info_get_default_mc( BLIS_TRSM, dt ),
                       &start, &end );

	// Partition along the remaining portion of the m dimension.
	for ( i = start; i < end; i += b_alg )
	{
		// Determine the current algorithmic blocksize.
		b_alg = bli_determine_blocksize_f( i, 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 object for packing A1.
        if( thread_am_ichief( thread ) ) {
            bli_packm_init( &a1, a1_pack,
                            cntl_sub_packm_a( cntl ) );
        }
        thread_ibarrier( thread );

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

		// Perform trsm subproblem.
		bli_trsm_int( &BLIS_ONE,
		              a1_pack,
		              b_pack,
		              &BLIS_ONE,
		              &c1,
		              cntl_sub_trsm( cntl ),
                      trsm_thread_sub_trsm( thread ) );
        thread_ibarrier( 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 ) );
}
Esempio n. 3
0
void bli_gemm_blk_var4f( obj_t*  a,
                         obj_t*  b,
                         obj_t*  c,
                         gemm_t* cntl,
                         gemm_thrinfo_t* thread )
{
	extern packm_t* gemm3mh_packa_cntl_ro;
	extern packm_t* gemm3mh_packa_cntl_io;
	extern packm_t* gemm3mh_packa_cntl_rpi;

	packm_t* packa_cntl_ro  = gemm3mh_packa_cntl_ro;
	packm_t* packa_cntl_io  = gemm3mh_packa_cntl_io;
	packm_t* packa_cntl_rpi = gemm3mh_packa_cntl_rpi;

    //The s is for "lives on the stack"
    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;
	dim_t m_trans;

    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 objects passed into bli_packm_init for A and C
    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 ),
                   gemm_thread_sub_opackm( thread ) );

	// Query dimension in partitioning direction.
	m_trans = bli_obj_length_after_trans( *a );
    dim_t start, end;
    bli_get_range_t2b( thread, 0, m_trans,
                       bli_blksz_get_mult_for_obj( a, cntl_blocksize( cntl ) ),
                       &start, &end );

	// Partition along the m dimension.
	for ( i = start; i < end; i += b_alg )
	{
		// Determine the current algorithmic blocksize.
		// NOTE: Use of a (for execution datatype) is intentional!
		// This causes the right blocksize to be used if c and a are
		// complex and b is real.
		b_alg = bli_determine_blocksize_f( i, 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,
                            packa_cntl_ro );
            bli_packm_init( &c1, c1_pack,
                            cntl_sub_packm_c( cntl ) );
        }
        thread_ibarrier( thread );

		// Pack A1 (if instructed).
		bli_packm_int( &a1, a1_pack,
		               packa_cntl_ro,
                       gemm_thread_sub_ipackm( thread ) );

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

		// Perform gemm subproblem.
		bli_gemm_int( &BLIS_ONE,
		              a1_pack,
		              b_pack,
		              &BLIS_ONE,
		              c1_pack,
		              cntl_sub_gemm( cntl ),
                      gemm_thread_sub_gemm( thread ) );

        thread_ibarrier( thread );

		// Only apply beta within the first of three subproblems.
		if ( thread_am_ichief( thread ) ) bli_obj_scalar_reset( c1_pack );


        // Initialize objects for packing A1 and C1.
        if( thread_am_ichief( thread ) ) {
            bli_packm_init( &a1, a1_pack,
                            packa_cntl_io );
        }
        thread_ibarrier( thread );

		// Pack A1 (if instructed).
		bli_packm_int( &a1, a1_pack,
		               packa_cntl_io,
                       gemm_thread_sub_ipackm( thread ) );

		// Perform gemm subproblem.
		bli_gemm_int( &BLIS_ONE,
		              a1_pack,
		              b_pack,
		              &BLIS_ONE,
		              c1_pack,
		              cntl_sub_gemm( cntl ),
                      gemm_thread_sub_gemm( thread ) );

        thread_ibarrier( thread );


        // Initialize objects for packing A1 and C1.
        if( thread_am_ichief( thread ) ) {
            bli_packm_init( &a1, a1_pack,
                            packa_cntl_rpi );
        }
        thread_ibarrier( thread );

		// Pack A1 (if instructed).
		bli_packm_int( &a1, a1_pack,
		               packa_cntl_rpi,
                       gemm_thread_sub_ipackm( thread ) );

		// Perform gemm subproblem.
		bli_gemm_int( &BLIS_ONE,
		              a1_pack,
		              b_pack,
		              &BLIS_ONE,
		              c1_pack,
		              cntl_sub_gemm( cntl ),
                      gemm_thread_sub_gemm( thread ) );

        thread_ibarrier( thread );


		// Unpack C1 (if C1 was packed).
        // Currently must be done by 1 thread
        bli_unpackm_int( c1_pack, &c1,
                         cntl_sub_unpackm_c( cntl ),
                         gemm_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 ) ){
		// It doesn't matter which packm cntl node we pass in, as long
		// as it is valid, packm_release() will release the mem_t entry.
        bli_packm_release( a1_pack, packa_cntl_ro );
        bli_packm_release( c1_pack, cntl_sub_packm_c( cntl ) );
    }
}