mirror of https://github.com/xianyi/OpenBLAS.git
124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/***************************************************************************
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Copyright (c) 2013, The OpenBLAS Project
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All rights reserved.
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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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1. 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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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#include "common.h"
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#if !defined(DOUBLE)
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#define VSETVL_MAX RISCV_RVV(vsetvlmax_e32m4)()
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#define VSETVL(n) RISCV_RVV(vsetvl_e32m4)(n)
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#define FLOAT_V_T vfloat32m4_t
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#define VLEV_FLOAT RISCV_RVV(vle32_v_f32m4)
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#define VSEV_FLOAT RISCV_RVV(vse32_v_f32m4)
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#define VFMULVF_FLOAT RISCV_RVV(vfmul_vf_f32m4)
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#define VFMVVF_FLOAT RISCV_RVV(vfmv_v_f_f32m4)
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#else
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#define VSETVL_MAX RISCV_RVV(vsetvlmax_e64m4)()
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#define VSETVL(n) RISCV_RVV(vsetvl_e64m4)(n)
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#define FLOAT_V_T vfloat64m4_t
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#define VLEV_FLOAT RISCV_RVV(vle64_v_f64m4)
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#define VSEV_FLOAT RISCV_RVV(vse64_v_f64m4)
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#define VFMULVF_FLOAT RISCV_RVV(vfmul_vf_f64m4)
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#define VFMVVF_FLOAT RISCV_RVV(vfmv_v_f_f64m4)
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#endif
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int CNAME(BLASLONG rows, BLASLONG cols, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOAT *b, BLASLONG ldb)
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{
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BLASLONG i,j;
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FLOAT *aptr,*bptr;
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size_t vl;
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FLOAT_V_T va,va1;
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if ( rows <= 0 ) return(0);
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if ( cols <= 0 ) return(0);
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aptr = a;
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bptr = b;
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if ( alpha == 0.0 )
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{
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vl = VSETVL_MAX;
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va = VFMVVF_FLOAT(0, vl);
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for ( i=0; i<cols ; i++ )
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{
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for(j=0; j<rows; j+=vl)
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{
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vl = VSETVL(rows - j);
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VSEV_FLOAT(bptr + j, va, vl);
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}
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bptr += ldb;
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}
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return(0);
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}
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if ( alpha == 1.0 )
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{
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for ( i=0; i<cols ; i++ )
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{
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for(j=0; j<rows; j+=vl)
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{
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vl = VSETVL(rows - j);
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va = VLEV_FLOAT(aptr + j, vl);
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VSEV_FLOAT(bptr + j, va, vl);
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}
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aptr += lda;
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bptr += ldb;
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}
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return(0);
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}
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i = 0;
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if( cols % 2 ){
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for(j=0; j<rows; j+=vl)
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{
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vl = VSETVL(rows - j);
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va = VLEV_FLOAT(aptr + j, vl);
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va = VFMULVF_FLOAT(va, alpha, vl);
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VSEV_FLOAT(bptr + j, va, vl);
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}
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aptr += lda;
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bptr += ldb;
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i = 1;
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}
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for ( ; i<cols ; i+=2 )
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{
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for(j=0; j<rows; j+=vl)
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{
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vl = VSETVL(rows - j);
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va = VLEV_FLOAT(aptr + j, vl);
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va1= VLEV_FLOAT(aptr + lda + j, vl);
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va = VFMULVF_FLOAT(va, alpha, vl);
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va1= VFMULVF_FLOAT(va1, alpha, vl);
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VSEV_FLOAT(bptr + j, va, vl);
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VSEV_FLOAT(bptr + ldb + j, va1, vl);
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}
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aptr += 2 * lda;
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bptr += 2 * ldb;
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}
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return(0);
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}
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