Optimized iamax kernels for CORTEXA57
Co-Authored-By: Ralph Campbell <ralph.campbell@broadcom.com>
This commit is contained in:
Ashwin Sekhar T K
parent
dbb213655e
commit
2610752dbb
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@ -4,3 +4,9 @@ SAMAXKERNEL = amax.S
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DAMAXKERNEL = amax.S
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DAMAXKERNEL = amax.S
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CAMAXKERNEL = zamax.S
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CAMAXKERNEL = zamax.S
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ZAMAXKERNEL = zamax.S
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ZAMAXKERNEL = zamax.S
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ISAMAXKERNEL = isamax.S
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IDAMAXKERNEL = idamax.S
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ICAMAXKERNEL = izamax.S
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IZAMAXKERNEL = izamax.S
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@ -0,0 +1,124 @@
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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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||||||
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modification, are permitted provided that the following conditions are
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met:
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||||||
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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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||||||
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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
|
||||||
|
the documentation and/or other materials provided with the
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||||||
|
distribution.
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||||||
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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
|
||||||
|
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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||||||
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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
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||||||
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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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#define ASSEMBLER
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#include "common.h"
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#define N x0 /* vector length */
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#define X x1 /* X vector address */
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#define INC_X x2 /* X stride */
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#define INDEX x3 /* index of max/min value */
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#define Z x4 /* vector index */
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#define I x5 /* loop variable */
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/*******************************************************************************
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* Macro definitions
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*******************************************************************************/
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#if defined(USE_MIN)
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#define COND le
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#else
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#define COND ge
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#endif
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#define MAXF d0
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#define TMPF d1
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#define TMPVF {v1.d}[0]
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#define SZ 8
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/******************************************************************************/
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.macro INIT_S
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lsl INC_X, INC_X, #3
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ld1 {v0.d}[0], [X], INC_X
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mov Z, #1
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mov INDEX, Z
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fabs MAXF, MAXF
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.endm
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.macro KERNEL_S1
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ld1 TMPVF, [X], INC_X
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add Z, Z, #1
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fabs TMPF, TMPF
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fcmp MAXF, TMPF
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fcsel MAXF, MAXF, TMPF, COND
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csel INDEX, INDEX, Z, COND
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.endm
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/*******************************************************************************
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* End of macro definitions
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*******************************************************************************/
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PROLOGUE
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cmp N, xzr
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ble iamax_kernel_zero
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cmp INC_X, xzr
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ble iamax_kernel_zero
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INIT_S
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subs N, N, #1
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ble iamax_kernel_L999
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asr I, N, #2
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cmp I, xzr
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ble iamax_kernel_S1
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iamax_kernel_S4:
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KERNEL_S1
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KERNEL_S1
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KERNEL_S1
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KERNEL_S1
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subs I, I, #1
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bne iamax_kernel_S4
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iamax_kernel_S1:
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ands I, N, #3
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ble iamax_kernel_L999
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iamax_kernel_S10:
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KERNEL_S1
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subs I, I, #1
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bne iamax_kernel_S10
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iamax_kernel_L999:
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mov x0, INDEX
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ret
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iamax_kernel_zero:
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mov x0, xzr
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ret
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EPILOGUE
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@ -0,0 +1,213 @@
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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:
|
||||||
|
1. Redistributions of source code must retain the above copyright
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||||||
|
notice, this list of conditions and the following disclaimer.
|
||||||
|
2. 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.
|
||||||
|
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.
|
||||||
|
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 OPENBLAS PROJECT 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
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||||||
|
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.
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*******************************************************************************/
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#define ASSEMBLER
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#include "common.h"
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#define N x0 /* vector length */
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#define X x1 /* X vector address */
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#define INC_X x2 /* X stride */
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#define INDEX x3 /* index of max/min value */
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#define Z x4 /* vector index */
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#define I x5 /* loop variable */
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#define X_COPY x6 /* copy of X address */
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#define MAXF_Z x7
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/*******************************************************************************
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* Macro definitions
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*******************************************************************************/
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#define MAXF s5
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#define TMPF s6
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#define TMPVF {v6.s}[0]
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#define SZ 4
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/******************************************************************************/
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.macro INIT_F1
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ldr MAXF, [X], #SZ
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mov Z, #1
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mov INDEX, Z
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fabs MAXF, MAXF
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.endm
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.macro KERNEL_F1
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ldr TMPF, [X], #SZ
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add Z, Z, #1
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fabs TMPF, TMPF
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fcmp TMPF, MAXF
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fcsel MAXF, MAXF, TMPF, le
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csel INDEX, INDEX, Z, le
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.endm
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.macro INIT_F4
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ld1 {v0.4s}, [X], #16
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fabs v0.4s, v0.4s
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fmaxv MAXF, v0.4s
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mov Z, #5
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mov MAXF_Z, #1
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.endm
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.macro KERNEL_F4
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ld1 {v0.4s}, [X], #16
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fabs v0.4s, v0.4s
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fmaxv TMPF, v0.4s
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PRFM PLDL1KEEP, [X, #512]
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fcmp TMPF, MAXF
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fcsel MAXF, MAXF, TMPF, le
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csel MAXF_Z, MAXF_Z, Z, le
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add Z, Z, #4
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.endm
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.macro KERNEL_F4_FINALIZE
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mov INDEX, MAXF_Z
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sub MAXF_Z, MAXF_Z, #1
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lsl MAXF_Z, MAXF_Z, #2
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add X_COPY, X_COPY, MAXF_Z
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ldr TMPF, [X_COPY], #SZ
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fabs TMPF, TMPF
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fcmp TMPF, MAXF
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beq KERNEL_F4_FINALIZE_DONE
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add INDEX, INDEX, #1
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ldr TMPF, [X_COPY], #SZ
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fabs TMPF, TMPF
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fcmp TMPF, MAXF
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beq KERNEL_F4_FINALIZE_DONE
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add INDEX, INDEX, #1
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ldr TMPF, [X_COPY], #SZ
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fabs TMPF, TMPF
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fcmp TMPF, MAXF
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beq KERNEL_F4_FINALIZE_DONE
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add INDEX, INDEX, #1
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KERNEL_F4_FINALIZE_DONE:
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.endm
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.macro INIT_S
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lsl INC_X, INC_X, #2
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ld1 TMPVF, [X], INC_X
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mov Z, #1
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mov INDEX, Z
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fabs MAXF, TMPF
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.endm
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.macro KERNEL_S1
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ld1 TMPVF, [X], INC_X
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add Z, Z, #1
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fabs TMPF, TMPF
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fcmp TMPF, MAXF
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fcsel MAXF, MAXF, TMPF, le
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csel INDEX, INDEX, Z, le
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.endm
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/*******************************************************************************
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* End of macro definitions
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*******************************************************************************/
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PROLOGUE
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cmp N, xzr
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ble iamax_kernel_zero
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cmp INC_X, xzr
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ble iamax_kernel_zero
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PRFM PLDL1KEEP, [X]
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mov X_COPY, X
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cmp INC_X, #1
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bne iamax_kernel_S_BEGIN
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iamax_kernel_F_BEGIN:
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asr I, N, #2
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cmp I, xzr
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beq iamax_kernel_F1_INIT
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INIT_F4
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subs I, I, #1
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beq iamax_kernel_F4_FINALIZE
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iamax_kernel_F4:
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KERNEL_F4
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subs I, I, #1
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bne iamax_kernel_F4
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iamax_kernel_F4_FINALIZE:
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KERNEL_F4_FINALIZE
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iamax_kernel_F1:
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ands I, N, #3
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ble iamax_kernel_L999
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iamax_kernel_F10:
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KERNEL_F1
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subs I, I, #1
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bne iamax_kernel_F10
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b iamax_kernel_L999
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iamax_kernel_F1_INIT:
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INIT_F1
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subs N, N, #1
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b iamax_kernel_F1
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iamax_kernel_S_BEGIN:
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INIT_S
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subs N, N, #1
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ble iamax_kernel_L999
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asr I, N, #2
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cmp I, xzr
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ble iamax_kernel_S1
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iamax_kernel_S4:
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KERNEL_S1
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KERNEL_S1
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KERNEL_S1
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KERNEL_S1
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subs I, I, #1
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bne iamax_kernel_S4
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iamax_kernel_S1:
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ands I, N, #3
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ble iamax_kernel_L999
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iamax_kernel_S10:
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KERNEL_S1
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subs I, I, #1
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bne iamax_kernel_S10
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iamax_kernel_L999:
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mov x0, INDEX
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ret
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iamax_kernel_zero:
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mov x0, xzr
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ret
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EPILOGUE
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@ -0,0 +1,151 @@
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/*******************************************************************************
|
||||||
|
Copyright (c) 2015, The OpenBLAS Project
|
||||||
|
All rights reserved.
|
||||||
|
Redistribution and use in source and binary forms, with or without
|
||||||
|
modification, are permitted provided that the following conditions are
|
||||||
|
met:
|
||||||
|
1. Redistributions of source code must retain the above copyright
|
||||||
|
notice, this list of conditions and the following disclaimer.
|
||||||
|
2. 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.
|
||||||
|
3. Neither the name of the OpenBLAS project 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 OPENBLAS PROJECT 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.
|
||||||
|
*******************************************************************************/
|
||||||
|
|
||||||
|
#define ASSEMBLER
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||||||
|
#include "common.h"
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||||||
|
|
||||||
|
#define N x0 /* vector length */
|
||||||
|
#define X x1 /* X vector address */
|
||||||
|
#define INC_X x2 /* X stride */
|
||||||
|
#define INDEX x3 /* index of max/min value */
|
||||||
|
#define Z x4 /* vector index */
|
||||||
|
#define I x5 /* loop variable */
|
||||||
|
|
||||||
|
/*******************************************************************************
|
||||||
|
* Macro definitions
|
||||||
|
*******************************************************************************/
|
||||||
|
|
||||||
|
#if defined(USE_MIN)
|
||||||
|
#define COND le
|
||||||
|
#else
|
||||||
|
#define COND ge
|
||||||
|
#endif
|
||||||
|
|
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#if !defined(DOUBLE)
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#define MAXF s0
|
||||||
|
#define TMPF s1
|
||||||
|
#define TMPVF {v1.s}[0]
|
||||||
|
#define SZ 4
|
||||||
|
#else
|
||||||
|
#define MAXF d0
|
||||||
|
#define TMPF d1
|
||||||
|
#define TMPVF {v1.d}[0]
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||||||
|
#define SZ 8
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
|
||||||
|
.macro INIT_S
|
||||||
|
#if !defined(DOUBLE)
|
||||||
|
lsl INC_X, INC_X, #3
|
||||||
|
ld1 {v0.2s}, [X], INC_X
|
||||||
|
mov Z, #1
|
||||||
|
mov INDEX, Z
|
||||||
|
fabs v0.2s, v0.2s
|
||||||
|
ext v1.8b, v0.8b, v0.8b, #4
|
||||||
|
fadd MAXF, s0, s1
|
||||||
|
#else
|
||||||
|
lsl INC_X, INC_X, #4
|
||||||
|
ld1 {v0.2d}, [X], INC_X
|
||||||
|
mov Z, #1
|
||||||
|
mov INDEX, Z
|
||||||
|
fabs v0.2d, v0.2d
|
||||||
|
faddp MAXF, v0.2d
|
||||||
|
#endif
|
||||||
|
.endm
|
||||||
|
|
||||||
|
.macro KERNEL_S1
|
||||||
|
#if !defined(DOUBLE)
|
||||||
|
ld1 {v1.2s}, [X], INC_X
|
||||||
|
add Z, Z, #1
|
||||||
|
fabs v1.2s, v1.2s
|
||||||
|
ext v2.8b, v1.8b, v1.8b, #4
|
||||||
|
fadd TMPF, s1, s2
|
||||||
|
#else
|
||||||
|
ld1 {v1.2d}, [X], INC_X
|
||||||
|
add Z, Z, #1
|
||||||
|
fabs v1.2d, v1.2d
|
||||||
|
faddp TMPF, v1.2d
|
||||||
|
#endif
|
||||||
|
fcmp MAXF, TMPF
|
||||||
|
fcsel MAXF, MAXF, TMPF, COND
|
||||||
|
csel INDEX, INDEX, Z, COND
|
||||||
|
.endm
|
||||||
|
|
||||||
|
/*******************************************************************************
|
||||||
|
* End of macro definitions
|
||||||
|
*******************************************************************************/
|
||||||
|
|
||||||
|
PROLOGUE
|
||||||
|
|
||||||
|
cmp N, xzr
|
||||||
|
ble iamax_kernel_zero
|
||||||
|
cmp INC_X, xzr
|
||||||
|
ble iamax_kernel_zero
|
||||||
|
|
||||||
|
INIT_S
|
||||||
|
|
||||||
|
subs N, N, #1
|
||||||
|
ble iamax_kernel_L999
|
||||||
|
|
||||||
|
asr I, N, #2
|
||||||
|
cmp I, xzr
|
||||||
|
ble iamax_kernel_S1
|
||||||
|
|
||||||
|
iamax_kernel_S4:
|
||||||
|
|
||||||
|
KERNEL_S1
|
||||||
|
KERNEL_S1
|
||||||
|
KERNEL_S1
|
||||||
|
KERNEL_S1
|
||||||
|
|
||||||
|
subs I, I, #1
|
||||||
|
bne iamax_kernel_S4
|
||||||
|
|
||||||
|
iamax_kernel_S1:
|
||||||
|
|
||||||
|
ands I, N, #3
|
||||||
|
ble iamax_kernel_L999
|
||||||
|
|
||||||
|
iamax_kernel_S10:
|
||||||
|
|
||||||
|
KERNEL_S1
|
||||||
|
|
||||||
|
subs I, I, #1
|
||||||
|
bne iamax_kernel_S10
|
||||||
|
|
||||||
|
iamax_kernel_L999:
|
||||||
|
|
||||||
|
mov x0, INDEX
|
||||||
|
ret
|
||||||
|
|
||||||
|
iamax_kernel_zero:
|
||||||
|
|
||||||
|
mov x0, xzr
|
||||||
|
ret
|
||||||
|
|
||||||
|
EPILOGUE
|
||||||
Loading…
Reference in New Issue