Added sve kernels for rot routine.
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SushilPratap04
GitHub
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/*******************************************************************************
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Copyright (c) 2015, 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 "rot_kernel_sve.c"
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#include "rot_kernel_c.c"
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int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT c, FLOAT s)
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{
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if (n <= 0)
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return (0);
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if (inc_x == 1 && inc_y == 1)
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rot_kernel_sve(n, x, y, c, s);
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else
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rot_kernel_c(n, x, inc_x, y, inc_y, c, s);
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return (0);
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}
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/*******************************************************************************
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Copyright (c) 2015, 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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||||||
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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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static int rot_kernel_c(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT c, FLOAT s)
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{
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BLASLONG i = 0;
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BLASLONG ix = 0, iy = 0;
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FLOAT temp;
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while (i < n)
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{
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temp = c * x[ix] + s * y[iy];
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y[iy] = c * y[iy] - s * x[ix];
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x[ix] = temp;
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ix += inc_x;
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iy += inc_y;
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i++;
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}
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return (0);
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}
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@ -0,0 +1,59 @@
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/*******************************************************************************
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Copyright (c) 2015, 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
|
||||||
|
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 <arm_sve.h>
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#ifdef DOUBLE
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#define SVE_TYPE svfloat64_t
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#define SVE_ZERO svdup_f64(0.0)
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#define SVE_WHILELT svwhilelt_b64
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#define SVE_ALL svptrue_b64()
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#define SVE_WIDTH svcntd()
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#else
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#define SVE_TYPE svfloat32_t
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#define SVE_ZERO svdup_f32(0.0)
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#define SVE_WHILELT svwhilelt_b32
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#define SVE_ALL svptrue_b32()
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#define SVE_WIDTH svcntw()
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#endif
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static int rot_kernel_sve(BLASLONG n, FLOAT *x, FLOAT *y, FLOAT c, FLOAT s)
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{
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for (int i = 0; i < n; i += SVE_WIDTH)
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{
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svbool_t pg = SVE_WHILELT((uint32_t)i, (uint32_t)n);
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SVE_TYPE x_vec = svld1(pg, &x[i]);
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SVE_TYPE y_vec = svld1(pg, &y[i]);
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SVE_TYPE cx_vec = svmul_z(pg, x_vec, c);
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SVE_TYPE sy_vec = svmul_z(pg, y_vec, s);
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SVE_TYPE sx_vec = svmul_z(pg, x_vec, s);
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SVE_TYPE cy_vec = svmul_z(pg, y_vec, c);
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svst1(pg, &x[i], svadd_z(pg, cx_vec, sy_vec));
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svst1(pg, &y[i], svsub_z(pg, cy_vec, sx_vec));
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}
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return (0);
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}
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