Optimized standard Blas Level-1,2 (excluding nrm2 functions) for z13 (double precision)
This commit is contained in:
Abdurrauf
249
kernel/zarch/idamin.c
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249
kernel/zarch/idamin.c
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/***************************************************************************
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Copyright (c) 2013-2017, 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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#include <math.h>
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#if defined(DOUBLE)
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#define ABS fabs
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#else
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#define ABS fabsf
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#endif
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static BLASLONG __attribute__((noinline)) diamin_kernel_32(BLASLONG n, FLOAT *x, FLOAT *maxf) {
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__asm__(
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"pfd 1, 0(%1) \n\t"
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"sllg %%r0,%0,3 \n\t"
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"agr %%r0,%1 \n\t"
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"VLEIG %%v20,0,0 \n\t"
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"VLEIG %%v20,1,1 \n\t"
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"VLEIG %%v21,2,0 \n\t"
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"VLEIG %%v21,3,1 \n\t"
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"VLEIG %%v22,4,0 \n\t"
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"VLEIG %%v22,5,1 \n\t"
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"VLEIG %%v23,6,0 \n\t"
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"VLEIG %%v23,7,1 \n\t"
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"VREPIG %%v4,8 \n\t"
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"vzero %%v5 \n\t"
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"vlrepg %%v18,0(%1) \n\t"
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"vzero %%v19 \n\t"
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".align 16 \n\t"
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"1: \n\t"
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"pfd 1, 256(%1 ) \n\t"
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"vlm %%v24,%%v31, 0(%1 ) \n\t"
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"vflpdb %%v24, %%v24 \n\t"
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"vflpdb %%v25, %%v25 \n\t"
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"vflpdb %%v26, %%v26 \n\t"
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"vflpdb %%v27, %%v27 \n\t"
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"vflpdb %%v28, %%v28 \n\t"
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"vflpdb %%v29, %%v29 \n\t"
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"vflpdb %%v30, %%v30 \n\t"
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"vflpdb %%v31, %%v31 \n\t"
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"vfchdb %%v16,%%v24,%%v25 \n\t "
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"vfchdb %%v17,%%v26 ,%%v27 \n\t "
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"vsel %%v1,%%v21,%%v20,%%v16 \n\t"
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"vsel %%v0,%%v25,%%v24,%%v16 \n\t"
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"vsel %%v2,%%v23,%%v22,%%v17 \n\t"
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"vsel %%v3,%%v27,%%v26,%%v17 \n\t"
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"vfchdb %%v16,%%v28, %%v29 \n\t "
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"vfchdb %%v17,%%v30,%%v31 \n\t"
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"vsel %%v24,%%v21,%%v20,%%v16 \n\t"
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"vsel %%v25,%%v29,%%v28,%%v16 \n\t"
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"vsel %%v26,%%v23,%%v22,%%v17 \n\t"
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"vsel %%v27,%%v31,%%v30,%%v17 \n\t"
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"vfchdb %%v28,%%v0 , %%v3 \n\t"
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"vfchdb %%v29, %%v25,%%v27 \n\t"
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"vsel %%v1,%%v2,%%v1,%%v28 \n\t"
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"vsel %%v0,%%v3,%%v0,%%v28 \n\t"
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"vsel %%v24,%%v26,%%v24,%%v29 \n\t"
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"vsel %%v25,%%v27,%%v25,%%v29 \n\t"
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"VAG %%v1,%%v1,%%v5 \n\t"
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"VAG %%v24,%%v24,%%v5 \n\t"
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"VAG %%v24,%%v24,%%v4 \n\t"
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"vfchdb %%v16, %%v0,%%v25 \n\t"
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"VAG %%v5,%%v5,%%v4 \n\t"
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"vsel %%v29,%%v25,%%v0,%%v16 \n\t"
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"vsel %%v28,%%v24,%%v1,%%v16 \n\t"
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"vfchdb %%v17,%%v18, %%v29 \n\t"
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"vsel %%v19,%%v28,%%v19,%%v17 \n\t"
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"vsel %%v18,%%v29,%%v18,%%v17 \n\t"
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"VAG %%v5,%%v5,%%v4 \n\t"
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"vlm %%v24,%%v31,128(%1 ) \n\t"
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"vflpdb %%v24, %%v24 \n\t"
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"vflpdb %%v25, %%v25 \n\t"
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"vflpdb %%v26, %%v26 \n\t"
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"vflpdb %%v27, %%v27 \n\t"
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"vflpdb %%v28, %%v28 \n\t"
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"vflpdb %%v29, %%v29 \n\t"
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"vflpdb %%v30, %%v30 \n\t"
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"vflpdb %%v31, %%v31 \n\t"
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"vfchdb %%v16,%%v24,%%v25 \n\t"
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"vfchdb %%v17,%%v26 ,%%v27 \n\t"
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"vsel %%v1,%%v21,%%v20,%%v16 \n\t"
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"vsel %%v0,%%v25,%%v24,%%v16 \n\t"
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"vsel %%v2,%%v23,%%v22,%%v17 \n\t"
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"vsel %%v3,%%v27,%%v26,%%v17 \n\t"
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"vfchdb %%v16,%%v28 ,%%v29 \n\t"
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"vfchdb %%v17,%%v30,%%v31 \n\t"
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"vsel %%v24,%%v21,%%v20,%%v16 \n\t"
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"vsel %%v25,%%v29,%%v28,%%v16 \n\t"
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"vsel %%v26,%%v23,%%v22,%%v17 \n\t"
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"vsel %%v27,%%v31,%%v30,%%v17 \n\t"
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"vfchdb %%v28,%%v0 , %%v3 \n\t"
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"vfchdb %%v29, %%v25,%%v27 \n\t"
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"vsel %%v1,%%v2,%%v1,%%v28 \n\t"
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"vsel %%v0,%%v3,%%v0,%%v28 \n\t"
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"vsel %%v24,%%v26,%%v24,%%v29 \n\t"
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"vsel %%v25,%%v27,%%v25,%%v29 \n\t"
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"VAG %%v1,%%v1,%%v5 \n\t"
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"VAG %%v24,%%v24,%%v5 \n\t"
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"la %1,256(%1) \n\t"
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"VAG %%v24,%%v24,%%v4 \n\t"
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"vfchdb %%v16, %%v0,%%v25 \n\t"
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"VAG %%v5,%%v5,%%v4 \n\t"
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"vsel %%v29,%%v25,%%v0,%%v16 \n\t"
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"vsel %%v28,%%v24,%%v1,%%v16 \n\t"
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"vfchdb %%v17,%%v18, %%v29 \n\t"
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"vsel %%v19,%%v28,%%v19,%%v17 \n\t"
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"vsel %%v18,%%v29,%%v18,%%v17 \n\t"
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"VAG %%v5,%%v5,%%v4 \n\t"
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"clgrjl %1,%%r0,1b \n\t"
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"vrepg %%v26,%%v18,1 \n\t"
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"vrepg %%v5,%%v19,1 \n\t"
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"wfcdb %%v26,%%v18 \n\t"
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"jne 2f \n\t"
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"VSTEG %%v18,0(%2),0 \n\t"
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"VMNLG %%v1,%%v5,%%v19 \n\t"
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"VLGVG %%r2,%%v1,0 \n\t"
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"br %%r14 \n\t"
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"2: \n\t"
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"wfchdb %%v16,%%v18 ,%%v26 \n\t "
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"vsel %%v1,%%v5,%%v19,%%v16 \n\t"
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"vsel %%v0,%%v26,%%v18,%%v16 \n\t"
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"VLGVG %%r2,%%v1,0 \n\t"
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"std %%f0,0(%2) \n\t"
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:
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: "r"(n), "a"(x), "a"(maxf)
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: "cc", "memory","r0","r1","r2","f0","v0","v1","v2","v3","v4","v5","v6","v7","v16",
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"v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
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);
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}
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BLASLONG CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x) {
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BLASLONG i = 0;
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BLASLONG j = 0;
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BLASLONG ix = 0;
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FLOAT minf = 0.0;
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BLASLONG min = 0;
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if (n <= 0 || inc_x <= 0) return (min);
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if (inc_x == 1) {
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BLASLONG n1 = n & -32;
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if (n1 > 0) {
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min = diamin_kernel_32(n1, x, &minf);
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i = n1;
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}
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while (i < n) {
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if (ABS(x[i]) < minf) {
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min = i;
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minf = ABS(x[i]);
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}
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i++;
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}
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return (min + 1);
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} else {
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BLASLONG n1 = n & -4;
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while (j < n1) {
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if (ABS(x[i]) < minf) {
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min = j;
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minf = ABS(x[i]);
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}
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if (ABS(x[i + inc_x]) < minf) {
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min = j + 1;
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minf = ABS(x[i + inc_x]);
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}
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if (ABS(x[i + 2 * inc_x]) < minf) {
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min = j + 2;
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minf = ABS(x[i + 2 * inc_x]);
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}
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if (ABS(x[i + 3 * inc_x]) < minf) {
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min = j + 3;
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minf = ABS(x[i + 3 * inc_x]);
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}
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i += inc_x * 4;
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j += 4;
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}
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while (j < n) {
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if (ABS(x[i]) < minf) {
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min = j;
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minf = ABS(x[i]);
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}
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i += inc_x;
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j++;
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}
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return (min + 1);
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}
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}
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