mirror of
https://github.com/amd/blis.git
synced 2026-04-22 00:28:51 +00:00
ac18949a4b
Details:
- Adjusted the method by which micropanels are assigned to threads in
the 2nd (jr) and 1st (ir) loops around the microkernel to (mostly)
employ contiguous "slab" partitioning rather than interleaved (round
robin) partitioning. The new partitioning schemes and related details
for specific families of operations are listed below:
- gemm: slab partitioning.
- herk: slab partitioning for region corresponding to non-triangular
region of C; round robin partitioning for triangular region.
- trmm: slab partitioning for region corresponding to non-triangular
region of B; round robin partitioning for triangular region.
(NOTE: This affects both left- and right-side macrokernels:
trmm_ll, trmm_lu, trmm_rl, trmm_ru.)
- trsm: slab partitioning.
(NOTE: This only affects only left-side macrokernels trsm_ll,
trsm_lu; right-side macrokernels were not touched.)
Also note that the previous macrokernels were preserved inside of
the 'other' directory of each operation family directory (e.g.
frame/3/gemm/other, frame/3/herk/other, etc).
- Updated gemm macrokernel in sandbox/ref99 in light of above changes
and fixed a stale function pointer type in blx_gemm_int.c
(gemm_voft -> gemm_var_oft).
- Added standalone test drivers in test/3m4m for herk, trmm, and trsm
and minor changes to test/3m4m/Makefile.
- Updated the arguments and definitions of bli_*_get_next_[ab]_upanel()
and bli_trmm_?_?r_my_iter() macros defined in bli_l3_thrinfo.h.
- Renamed bli_thread_get_range*() APIs to bli_thread_range*().
315 lines
8.1 KiB
C
315 lines
8.1 KiB
C
/*
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BLIS
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An object-based framework for developing high-performance BLAS-like
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libraries.
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Copyright (C) 2014, The University of Texas at Austin
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Copyright (C) 2018, Advanced Micro Devices, Inc.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of The University of Texas nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <unistd.h>
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#include "blis.h"
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//#define PRINT
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int main( int argc, char** argv )
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{
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obj_t a, c;
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obj_t c_save;
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obj_t alpha, beta;
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dim_t m, k;
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dim_t p;
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dim_t p_begin, p_end, p_inc;
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int m_input, k_input;
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ind_t ind;
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num_t dt, dt_real;
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char dt_ch;
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int r, n_repeats;
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uplo_t uploc;
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trans_t transa;
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f77_char f77_uploc;
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f77_char f77_transa;
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double dtime;
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double dtime_save;
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double gflops;
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//bli_init();
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//bli_error_checking_level_set( BLIS_NO_ERROR_CHECKING );
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n_repeats = 3;
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dt = DT;
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dt_real = bli_dt_proj_to_real( DT );
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ind = IND;
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p_begin = P_BEGIN;
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p_end = P_END;
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p_inc = P_INC;
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m_input = -1;
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k_input = -1;
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// Supress compiler warnings about unused variable 'ind'.
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( void )ind;
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#if 0
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cntx_t* cntx;
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ind_t ind_mod = ind;
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// A hack to use 3m1 as 1mpb (with 1m as 1mbp).
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if ( ind == BLIS_3M1 ) ind_mod = BLIS_1M;
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// Initialize a context for the current induced method and datatype.
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cntx = bli_gks_query_ind_cntx( ind_mod, dt );
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// Set k to the kc blocksize for the current datatype.
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k_input = bli_cntx_get_blksz_def_dt( dt, BLIS_KC, cntx );
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#elif 1
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//k_input = 256;
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#endif
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// Choose the char corresponding to the requested datatype.
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if ( bli_is_float( dt ) ) dt_ch = 's';
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else if ( bli_is_double( dt ) ) dt_ch = 'd';
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else if ( bli_is_scomplex( dt ) ) dt_ch = 'c';
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else dt_ch = 'z';
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uploc = BLIS_LOWER;
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transa = BLIS_NO_TRANSPOSE;
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bli_param_map_blis_to_netlib_uplo( uploc, &f77_uploc );
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bli_param_map_blis_to_netlib_trans( transa, &f77_transa );
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// Begin with initializing the last entry to zero so that
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// matlab allocates space for the entire array once up-front.
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for ( p = p_begin; p + p_inc <= p_end; p += p_inc ) ;
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#ifdef BLIS
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printf( "data_%s_%cherk_%s_blis", THR_STR, dt_ch, STR );
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#else
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printf( "data_%s_%cherk_%s", THR_STR, dt_ch, STR );
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#endif
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printf( "( %2lu, 1:4 ) = [ %4lu %4lu %7.2f ];\n",
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( unsigned long )(p - p_begin + 1)/p_inc + 1,
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( unsigned long )0,
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( unsigned long )0, 0.0 );
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for ( p = p_begin; p <= p_end; p += p_inc )
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{
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if ( m_input < 0 ) m = p / ( dim_t )abs(m_input);
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else m = ( dim_t ) m_input;
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if ( k_input < 0 ) k = p / ( dim_t )abs(k_input);
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else k = ( dim_t ) k_input;
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bli_obj_create( dt_real, 1, 1, 0, 0, &alpha );
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bli_obj_create( dt, 1, 1, 0, 0, &beta );
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if ( bli_does_trans( transa ) )
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bli_obj_create( dt, k, m, 0, 0, &a );
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else
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bli_obj_create( dt, m, k, 0, 0, &a );
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bli_obj_create( dt, m, m, 0, 0, &c );
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//bli_obj_create( dt, m, k, 2, 2*m, &a );
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//bli_obj_create( dt, k, n, 2, 2*k, &b );
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//bli_obj_create( dt, m, n, 2, 2*m, &c );
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bli_obj_create( dt, m, m, 0, 0, &c_save );
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bli_randm( &a );
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bli_randm( &c );
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bli_obj_set_struc( BLIS_HERMITIAN, &c );
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bli_obj_set_uplo( uploc, &c );
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bli_obj_set_conjtrans( transa, &a );
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bli_setsc( (2.0/1.0), 0.0, &alpha );
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bli_setsc( (1.0/1.0), 0.0, &beta );
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bli_copym( &c, &c_save );
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#ifdef BLIS
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bli_ind_disable_all_dt( dt );
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bli_ind_enable_dt( ind, dt );
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#endif
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dtime_save = DBL_MAX;
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for ( r = 0; r < n_repeats; ++r )
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{
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bli_copym( &c_save, &c );
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dtime = bli_clock();
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#ifdef PRINT
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bli_printm( "a", &a, "%4.1f", "" );
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bli_printm( "c", &c, "%4.1f", "" );
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#endif
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#ifdef BLIS
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bli_herk( &alpha,
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&a,
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&beta,
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&c );
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#else
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if ( bli_is_float( dt ) )
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{
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f77_int mm = bli_obj_length( &c );
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f77_int kk = bli_obj_width_after_trans( &a );
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f77_int lda = bli_obj_col_stride( &a );
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f77_int ldc = bli_obj_col_stride( &c );
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float* alphap = bli_obj_buffer( &alpha );
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float* ap = bli_obj_buffer( &a );
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float* betap = bli_obj_buffer( &beta );
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float* cp = bli_obj_buffer( &c );
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ssyrk_( &f77_uploc,
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&f77_transa,
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&mm,
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&kk,
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alphap,
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ap, &lda,
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betap,
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cp, &ldc );
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}
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else if ( bli_is_double( dt ) )
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{
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f77_int mm = bli_obj_length( &c );
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f77_int kk = bli_obj_width_after_trans( &a );
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f77_int lda = bli_obj_col_stride( &a );
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f77_int ldc = bli_obj_col_stride( &c );
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double* alphap = bli_obj_buffer( &alpha );
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double* ap = bli_obj_buffer( &a );
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double* betap = bli_obj_buffer( &beta );
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double* cp = bli_obj_buffer( &c );
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dsyrk_( &f77_uploc,
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&f77_transa,
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&mm,
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&kk,
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alphap,
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ap, &lda,
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betap,
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cp, &ldc );
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}
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else if ( bli_is_scomplex( dt ) )
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{
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f77_int mm = bli_obj_length( &c );
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f77_int kk = bli_obj_width_after_trans( &a );
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f77_int lda = bli_obj_col_stride( &a );
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f77_int ldc = bli_obj_col_stride( &c );
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float* alphap = bli_obj_buffer( &alpha );
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scomplex* ap = bli_obj_buffer( &a );
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scomplex* betap = bli_obj_buffer( &beta );
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scomplex* cp = bli_obj_buffer( &c );
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cherk_( &f77_uploc,
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&f77_transa,
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&mm,
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&kk,
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alphap,
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ap, &lda,
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betap,
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cp, &ldc );
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}
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else if ( bli_is_dcomplex( dt ) )
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{
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f77_int mm = bli_obj_length( &c );
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f77_int kk = bli_obj_width_after_trans( &a );
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f77_int lda = bli_obj_col_stride( &a );
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f77_int ldc = bli_obj_col_stride( &c );
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double* alphap = bli_obj_buffer( &alpha );
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dcomplex* ap = bli_obj_buffer( &a );
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dcomplex* betap = bli_obj_buffer( &beta );
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dcomplex* cp = bli_obj_buffer( &c );
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zherk_( &f77_uploc,
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&f77_transa,
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&mm,
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&kk,
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alphap,
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ap, &lda,
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betap,
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cp, &ldc );
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}
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#endif
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#ifdef PRINT
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bli_printm( "c after", &c, "%4.1f", "" );
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exit(1);
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#endif
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dtime_save = bli_clock_min_diff( dtime_save, dtime );
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}
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gflops = ( 1.0 * m * k * m ) / ( dtime_save * 1.0e9 );
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if ( bli_is_complex( dt ) ) gflops *= 4.0;
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#ifdef BLIS
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printf( "data_%s_%cherk_%s_blis", THR_STR, dt_ch, STR );
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#else
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printf( "data_%s_%cherk_%s", THR_STR, dt_ch, STR );
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#endif
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printf( "( %2lu, 1:4 ) = [ %4lu %4lu %7.2f ];\n",
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( unsigned long )(p - p_begin + 1)/p_inc + 1,
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( unsigned long )m,
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( unsigned long )k, gflops );
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bli_obj_free( &alpha );
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bli_obj_free( &beta );
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bli_obj_free( &a );
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bli_obj_free( &c );
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bli_obj_free( &c_save );
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}
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//bli_finalize();
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return 0;
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}
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