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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CAMAXKERNEL = 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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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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#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:
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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.
|
||||
2. Redistributions in binary form must reproduce the above copyright
|
||||
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
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
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
|
||||
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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#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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/*******************************************************************************
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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
|
||||
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.
|
||||
*******************************************************************************/
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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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#if !defined(DOUBLE)
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#define MAXF s0
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#define TMPF s1
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#define TMPVF {v1.s}[0]
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#define SZ 4
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#else
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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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#endif
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/******************************************************************************/
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.macro INIT_S
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#if !defined(DOUBLE)
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lsl INC_X, INC_X, #3
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ld1 {v0.2s}, [X], INC_X
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mov Z, #1
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mov INDEX, Z
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fabs v0.2s, v0.2s
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ext v1.8b, v0.8b, v0.8b, #4
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fadd MAXF, s0, s1
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#else
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lsl INC_X, INC_X, #4
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ld1 {v0.2d}, [X], INC_X
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mov Z, #1
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mov INDEX, Z
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fabs v0.2d, v0.2d
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faddp MAXF, v0.2d
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#endif
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.endm
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.macro KERNEL_S1
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#if !defined(DOUBLE)
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ld1 {v1.2s}, [X], INC_X
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add Z, Z, #1
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fabs v1.2s, v1.2s
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ext v2.8b, v1.8b, v1.8b, #4
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fadd TMPF, s1, s2
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#else
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ld1 {v1.2d}, [X], INC_X
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add Z, Z, #1
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fabs v1.2d, v1.2d
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faddp TMPF, v1.2d
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#endif
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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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