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bli_kernel.h

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  • bli_kernel.h 6.34 KiB
    /*
    
       BLIS    
       An object-based framework for developing high-performance BLAS-like
       libraries.
    
       Copyright (C) 2014, The University of Texas
    
       Redistribution and use in source and binary forms, with or without
       modification, are permitted provided that the following conditions are
       met:
        - Redistributions of source code must retain the above copyright
          notice, this list of conditions and the following disclaimer.
        - Redistributions in binary form must reproduce the above copyright
          notice, this list of conditions and the following disclaimer in the
          documentation and/or other materials provided with the distribution.
        - Neither the name of The University of Texas nor the names of its
          contributors may be used to endorse or promote products derived
          from this software without specific prior written permission.
    
       THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
       "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
       LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
       A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
       HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
       SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
       LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
       DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
       THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
       (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
       OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    
    */
    
    #ifndef BLIS_KERNEL_H
    #define BLIS_KERNEL_H
    
    
    // -- LEVEL-3 MICRO-KERNEL CONSTANTS -------------------------------------------
    
    // -- Cache blocksizes --
    
    //
    // Constraints:
    //
    // (1) MC must be a multiple of:
    //     (a) MR (for zero-padding purposes)
    //     (b) NR (for zero-padding purposes when MR and NR are "swapped")
    // (2) NC must be a multiple of
    //     (a) NR (for zero-padding purposes)
    //     (b) MR (for zero-padding purposes when MR and NR are "swapped")
    // (3) KC must be a multiple of
    //     (a) MR and
    //     (b) NR (for triangular operations such as trmm and trsm).
    //
    
    #define BLIS_DEFAULT_MC_S              240
    #define BLIS_DEFAULT_KC_S              240
    #define BLIS_DEFAULT_NC_S              9600
    
    #define BLIS_DEFAULT_MC_D              120
    #define BLIS_DEFAULT_KC_D              240
    #define BLIS_DEFAULT_NC_D              14400
    
    #define BLIS_DEFAULT_4M_MC_C           BLIS_DEFAULT_MC_S
    #define BLIS_DEFAULT_4M_KC_C           BLIS_DEFAULT_KC_S
    
    #define BLIS_DEFAULT_3M_MC_C           BLIS_DEFAULT_MC_S
    #define BLIS_DEFAULT_3M_KC_C           BLIS_DEFAULT_KC_S
    
    /*
    #define BLIS_DEFAULT_MC_C              120
    #define BLIS_DEFAULT_KC_C              240
    #define BLIS_DEFAULT_NC_C              9600
    
    #define BLIS_DEFAULT_MC_Z              120
    #define BLIS_DEFAULT_KC_Z              240
    #define BLIS_DEFAULT_NC_Z              9600
    */
    // -- Register blocksizes --
    
    #define BLIS_DEFAULT_MR_S              30
    #define BLIS_DEFAULT_NR_S              16
    
    #define BLIS_DEFAULT_MR_D              30
    #define BLIS_DEFAULT_NR_D              8
    
    //#define BLIS_DEFAULT_MR_C              8
    //#define BLIS_DEFAULT_NR_C              4
    
    //#define BLIS_DEFAULT_MR_Z              8
    //#define BLIS_DEFAULT_NR_Z              4
    
    // NOTE: If the micro-kernel, which is typically unrolled to a factor
    // of f, handles leftover edge cases (ie: when k % f > 0) then these
    // register blocksizes in the k dimension can be defined to 1.
    
    //#define BLIS_DEFAULT_KR_S              1
    //#define BLIS_DEFAULT_KR_D              1
    //#define BLIS_DEFAULT_KR_C              1
    //#define BLIS_DEFAULT_KR_Z              1
    
    // -- Cache blocksize extensions (for optimizing edge cases) --
    
    // NOTE: These cache blocksize "extensions" have the same constraints as
    // the corresponding default blocksizes above. When these values are
    // non-zero, blocksizes used at edge cases are extended (enlarged) if
    // such an extension would encompass the remaining portion of the
    // matrix dimension.
    
    //#define BLIS_EXTEND_MC_S               0 //(BLIS_DEFAULT_MC_S/4)
    //#define BLIS_EXTEND_KC_S               0 //(BLIS_DEFAULT_KC_S/4)
    //#define BLIS_EXTEND_NC_S               0 //(BLIS_DEFAULT_NC_S/4)
    
    #define BLIS_EXTEND_MC_D               (BLIS_DEFAULT_MC_D/4)
    #define BLIS_EXTEND_KC_D               (BLIS_DEFAULT_KC_D/4)
    #define BLIS_EXTEND_NC_D               0 //(BLIS_DEFAULT_NC_D/4)
    
    //#define BLIS_EXTEND_MC_C               0 //(BLIS_DEFAULT_MC_C/4)
    //#define BLIS_EXTEND_KC_C               0 //(BLIS_DEFAULT_KC_C/4)
    //#define BLIS_EXTEND_NC_C               0 //(BLIS_DEFAULT_NC_C/4)
    
    //#define BLIS_EXTEND_MC_Z               0 //(BLIS_DEFAULT_MC_Z/4)
    //#define BLIS_EXTEND_KC_Z               0 //(BLIS_DEFAULT_KC_Z/4)
    //#define BLIS_EXTEND_NC_Z               0 //(BLIS_DEFAULT_NC_Z/4)
    
    // -- Register blocksize extensions (for packed micro-panels) --
    
    // NOTE: These register blocksize "extensions" determine whether the
    // leading dimensions used within the packed micro-panels are equal to
    // or greater than their corresponding register blocksizes above.
    
    #define BLIS_EXTEND_MR_S               2
    #define BLIS_EXTEND_NR_S               0
    
    #define BLIS_EXTEND_MR_D               2
    #define BLIS_EXTEND_NR_D               0
    
    //#define BLIS_EXTEND_MR_C               0
    //#define BLIS_EXTEND_NR_C               0
    
    //#define BLIS_EXTEND_MR_Z               0
    //#define BLIS_EXTEND_NR_Z               0
    
    
    
    
    // -- LEVEL-2 KERNEL CONSTANTS -------------------------------------------------
    
    
    
    
    // -- LEVEL-1F KERNEL CONSTANTS ------------------------------------------------
    
    
    
    
    // -- LEVEL-3 KERNEL DEFINITIONS -----------------------------------------------
    
    // -- gemm --
    
    #define BLIS_DGEMM_UKERNEL         bli_dgemm_opt_30x8
    #define BLIS_SGEMM_UKERNEL         bli_sgemm_opt_30x16
    
    // -- trsm-related --
    
    
    // -- LEVEL-1M KERNEL DEFINITIONS ----------------------------------------------
    
    // -- packm --
    
    // -- unpackm --
    
    
    
    
    // -- LEVEL-1F KERNEL DEFINITIONS ----------------------------------------------
    
    // -- axpy2v --
    
    // -- dotaxpyv --
    
    // -- axpyf --
    
    // -- dotxf --
    
    // -- dotxaxpyf --
    
    
    
    
    // -- LEVEL-1V KERNEL DEFINITIONS ----------------------------------------------
    
    // -- addv --
    
    // -- axpyv --
    
    // -- copyv --
    
    // -- dotv --
    
    // -- dotxv --
    
    // -- invertv --
    
    // -- scal2v --
    
    // -- scalv --
    
    // -- setv --
    
    // -- subv --
    
    // -- swapv --
    
    
    
    #endif