83 lines
1.5 KiB
C
83 lines
1.5 KiB
C
#include "common.h"
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#ifndef ABS_K
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#define ABS_K(a) ((a) > 0 ? (a) : (-(a)))
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#endif
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#if defined(SKYLAKEX)
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#include "dasum_microk_skylakex-2.c"
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#elif defined(HASWELL)
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#include "dasum_microk_haswell-2.c"
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#endif
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#ifndef HAVE_DASUM_KERNEL
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static FLOAT dasum_kernel(BLASLONG n, FLOAT *x1)
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{
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BLASLONG i=0;
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BLASLONG n_8 = n & -8;
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FLOAT *x = x1;
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FLOAT temp0, temp1, temp2, temp3;
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FLOAT temp4, temp5, temp6, temp7;
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FLOAT sum0 = 0.0;
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FLOAT sum1 = 0.0;
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FLOAT sum2 = 0.0;
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FLOAT sum3 = 0.0;
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FLOAT sum4 = 0.0;
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while (i < n_8) {
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temp0 = ABS_K(x[0]);
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temp1 = ABS_K(x[1]);
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temp2 = ABS_K(x[2]);
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temp3 = ABS_K(x[3]);
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temp4 = ABS_K(x[4]);
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temp5 = ABS_K(x[5]);
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temp6 = ABS_K(x[6]);
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temp7 = ABS_K(x[7]);
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sum0 += temp0;
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sum1 += temp1;
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sum2 += temp2;
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sum3 += temp3;
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sum0 += temp4;
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sum1 += temp5;
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sum2 += temp6;
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sum3 += temp7;
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x+=8;
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i+=8;
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}
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while (i < n) {
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sum4 += ABS_K(x1[i]);
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i++;
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}
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return sum0+sum1+sum2+sum3+sum4;
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}
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#endif
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FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
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{
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BLASLONG i=0;
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FLOAT sumf = 0.0;
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if (n <= 0 || inc_x <= 0) return(sumf);
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if ( inc_x == 1 ) {
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sumf = dasum_kernel(n, x);
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}
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else {
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n *= inc_x;
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while(i < n) {
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sumf += ABS_K(x[i]);
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i += inc_x;
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}
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}
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return(sumf);
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}
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