Optimized amax kernels for CORTEXA57
Co-Authored-By: Ralph Campbell <ralph.campbell@broadcom.com>
This commit is contained in:
Ashwin Sekhar T K
parent
9742dba595
commit
dbb213655e
|
|
@ -1,2 +1,6 @@
|
|||
include $(KERNELDIR)/KERNEL.ARMV8
|
||||
|
||||
SAMAXKERNEL = amax.S
|
||||
DAMAXKERNEL = amax.S
|
||||
CAMAXKERNEL = zamax.S
|
||||
ZAMAXKERNEL = zamax.S
|
||||
|
|
|
|||
|
|
@ -0,0 +1,249 @@
|
|||
/*******************************************************************************
|
||||
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
|
||||
#include "common.h"
|
||||
|
||||
#define N x0 /* vector length */
|
||||
#define X x1 /* X vector address */
|
||||
#define INC_X x2 /* X stride */
|
||||
#define I x5 /* loop variable */
|
||||
|
||||
/*******************************************************************************
|
||||
* Macro definitions
|
||||
*******************************************************************************/
|
||||
|
||||
#if defined(USE_MIN)
|
||||
#define COND le
|
||||
#else
|
||||
#define COND ge
|
||||
#endif
|
||||
|
||||
#if !defined(DOUBLE)
|
||||
#define REG0 wzr
|
||||
#define MAXF s0
|
||||
#define TMPF s1
|
||||
#define TMPVF {v1.s}[0]
|
||||
#define SZ 4
|
||||
#else
|
||||
#define REG0 xzr
|
||||
#define MAXF d0
|
||||
#define TMPF d1
|
||||
#define TMPVF {v1.d}[0]
|
||||
#define SZ 8
|
||||
#endif
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
.macro INIT_F1
|
||||
ldr MAXF, [X], #SZ
|
||||
#if defined(USE_ABS)
|
||||
fabs MAXF, MAXF
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.macro KERNEL_F1
|
||||
ldr TMPF, [X], #SZ
|
||||
#if defined(USE_ABS)
|
||||
fabs TMPF, TMPF
|
||||
#endif
|
||||
fcmp MAXF, TMPF
|
||||
fcsel MAXF, MAXF, TMPF, COND
|
||||
.endm
|
||||
|
||||
.macro INIT_F4
|
||||
#if !defined(DOUBLE)
|
||||
ld1 {v0.4s}, [X], #16
|
||||
#if defined(USE_ABS)
|
||||
fabs v0.4s, v0.4s
|
||||
#endif
|
||||
#if defined(USE_MIN)
|
||||
fminv MAXF, v0.4s
|
||||
#else
|
||||
fmaxv MAXF, v0.4s
|
||||
#endif
|
||||
#else // DOUBLE
|
||||
ld2 {v0.2d,v1.2d}, [X], #32
|
||||
#if defined(USE_ABS)
|
||||
fabs v0.2d, v0.2d
|
||||
fabs v1.2d, v1.2d
|
||||
#endif
|
||||
#if defined(USE_MIN)
|
||||
fmin v0.2d, v0.2d, v1.2d
|
||||
fminp MAXF, v0.2d
|
||||
#else
|
||||
fmax v0.2d, v0.2d, v1.2d
|
||||
fmaxp MAXF, v0.2d
|
||||
#endif
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.macro KERNEL_F4
|
||||
#if !defined(DOUBLE)
|
||||
ld1 {v1.4s}, [X], #16
|
||||
#if defined(USE_ABS)
|
||||
fabs v1.4s, v1.4s
|
||||
#endif
|
||||
#if defined(USE_MIN)
|
||||
fminv TMPF, v1.4s
|
||||
#else
|
||||
fmaxv TMPF, v1.4s
|
||||
#endif
|
||||
#else // DOUBLE
|
||||
ld2 {v1.2d,v2.2d}, [X], #32
|
||||
#if defined(USE_ABS)
|
||||
fabs v1.2d, v1.2d
|
||||
fabs v2.2d, v2.2d
|
||||
#endif
|
||||
#if defined(USE_MIN)
|
||||
fmin v1.2d, v1.2d, v2.2d
|
||||
fminp TMPF, v1.2d
|
||||
#else
|
||||
fmax v1.2d, v1.2d, v2.2d
|
||||
fmaxp TMPF, v1.2d
|
||||
#endif
|
||||
#endif
|
||||
fcmp MAXF, TMPF
|
||||
fcsel MAXF, MAXF, TMPF, COND
|
||||
.endm
|
||||
|
||||
.macro INIT_S
|
||||
#if !defined(DOUBLE)
|
||||
lsl INC_X, INC_X, #2
|
||||
ld1 {v0.s}[0], [X], INC_X
|
||||
#else
|
||||
lsl INC_X, INC_X, #3
|
||||
ld1 {v0.d}[0], [X], INC_X
|
||||
#endif
|
||||
#if defined(USE_ABS)
|
||||
fabs MAXF, MAXF
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.macro KERNEL_S1
|
||||
ld1 TMPVF, [X], INC_X
|
||||
#if defined(USE_ABS)
|
||||
fabs TMPF, TMPF
|
||||
#endif
|
||||
fcmp MAXF, TMPF
|
||||
fcsel MAXF, MAXF, TMPF, COND
|
||||
.endm
|
||||
|
||||
/*******************************************************************************
|
||||
* End of macro definitions
|
||||
*******************************************************************************/
|
||||
|
||||
PROLOGUE
|
||||
|
||||
cmp N, xzr
|
||||
ble amax_kernel_zero
|
||||
cmp INC_X, xzr
|
||||
ble amax_kernel_zero
|
||||
|
||||
cmp INC_X, #1
|
||||
bne amax_kernel_S_BEGIN
|
||||
|
||||
amax_kernel_F_BEGIN:
|
||||
|
||||
asr I, N, #2
|
||||
cmp I, xzr
|
||||
beq amax_kernel_F1_INIT
|
||||
|
||||
INIT_F4
|
||||
subs I, I, #1
|
||||
beq amax_kernel_F1
|
||||
|
||||
amax_kernel_F4:
|
||||
|
||||
KERNEL_F4
|
||||
|
||||
subs I, I, #1
|
||||
bne amax_kernel_F4
|
||||
|
||||
amax_kernel_F1:
|
||||
|
||||
ands I, N, #3
|
||||
ble amax_kernel_L999
|
||||
|
||||
amax_kernel_F10:
|
||||
|
||||
KERNEL_F1
|
||||
|
||||
subs I, I, #1
|
||||
bne amax_kernel_F10
|
||||
|
||||
ret
|
||||
|
||||
amax_kernel_F1_INIT:
|
||||
|
||||
INIT_F1
|
||||
subs N, N, #1
|
||||
b amax_kernel_F1
|
||||
|
||||
amax_kernel_S_BEGIN:
|
||||
|
||||
INIT_S
|
||||
|
||||
subs N, N, #1
|
||||
ble amax_kernel_L999
|
||||
|
||||
asr I, N, #2
|
||||
cmp I, xzr
|
||||
ble amax_kernel_S1
|
||||
|
||||
amax_kernel_S4:
|
||||
|
||||
KERNEL_S1
|
||||
KERNEL_S1
|
||||
KERNEL_S1
|
||||
KERNEL_S1
|
||||
|
||||
subs I, I, #1
|
||||
bne amax_kernel_S4
|
||||
|
||||
amax_kernel_S1:
|
||||
|
||||
ands I, N, #3
|
||||
ble amax_kernel_L999
|
||||
|
||||
amax_kernel_S10:
|
||||
|
||||
KERNEL_S1
|
||||
|
||||
subs I, I, #1
|
||||
bne amax_kernel_S10
|
||||
|
||||
amax_kernel_L999:
|
||||
|
||||
ret
|
||||
|
||||
amax_kernel_zero:
|
||||
|
||||
fmov MAXF, REG0
|
||||
ret
|
||||
|
||||
EPILOGUE
|
||||
|
|
@ -0,0 +1,273 @@
|
|||
/*******************************************************************************
|
||||
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
|
||||
#include "common.h"
|
||||
|
||||
#define N x0 /* vector length */
|
||||
#define X x1 /* X vector address */
|
||||
#define INC_X x2 /* X stride */
|
||||
#define I x5 /* loop variable */
|
||||
|
||||
/*******************************************************************************
|
||||
* Macro definitions
|
||||
*******************************************************************************/
|
||||
|
||||
#if defined(USE_MIN)
|
||||
#define COND le
|
||||
#else
|
||||
#define COND ge
|
||||
#endif
|
||||
|
||||
#if !defined(DOUBLE)
|
||||
#define REG0 wzr
|
||||
#define MAXF s0
|
||||
#define TMPF s1
|
||||
#define TMPVF {v1.s}[0]
|
||||
#define SZ 4
|
||||
#else
|
||||
#define REG0 xzr
|
||||
#define MAXF d0
|
||||
#define TMPF d1
|
||||
#define TMPVF {v1.d}[0]
|
||||
#define SZ 8
|
||||
#endif
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
.macro INIT_F1
|
||||
#if !defined(DOUBLE)
|
||||
ld1 {v0.2s}, [X], #8
|
||||
fabs v0.2s, v0.2s
|
||||
ext v1.8b, v0.8b, v0.8b, #4
|
||||
fadd MAXF, s0, s1
|
||||
#else
|
||||
ld1 {v0.2d}, [X], #16
|
||||
fabs v0.2d, v0.2d
|
||||
faddp MAXF, v0.2d
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.macro KERNEL_F1
|
||||
#if !defined(DOUBLE)
|
||||
ld1 {v1.2s}, [X], #8
|
||||
fabs v1.2s, v1.2s
|
||||
ext v2.8b, v1.8b, v1.8b, #4
|
||||
fadd TMPF, s1, s2
|
||||
#else
|
||||
ld1 {v1.2d}, [X], #16
|
||||
fabs v1.2d, v1.2d
|
||||
faddp TMPF, v1.2d
|
||||
#endif
|
||||
fcmp MAXF, TMPF
|
||||
fcsel MAXF, MAXF, TMPF, COND
|
||||
.endm
|
||||
|
||||
.macro INIT_F4
|
||||
#if !defined(DOUBLE)
|
||||
ld2 {v0.4s,v1.4s}, [X], #32
|
||||
fabs v0.4s, v0.4s // [X6, X4, X2, X0]
|
||||
fabs v1.4s, v1.4s // [X7, X5, X3, X1]
|
||||
fadd v0.4s, v0.4s, v1.4s // [X7+X6, X5+X4, X3+X2, X1+X0]
|
||||
#if defined(USE_MIN)
|
||||
fminv MAXF, v0.4s
|
||||
#else
|
||||
fmaxv MAXF, v0.4s
|
||||
#endif
|
||||
#else // DOUBLE
|
||||
ld4 {v0.2d,v1.2d,v2.2d,v3.2d}, [X], #64
|
||||
fabs v0.2d, v0.2d
|
||||
fabs v1.2d, v1.2d
|
||||
fabs v2.2d, v2.2d
|
||||
fabs v3.2d, v3.2d
|
||||
fadd v0.2d, v0.2d, v1.2d
|
||||
fadd v2.2d, v2.2d, v3.2d
|
||||
#if defined(USE_MIN)
|
||||
fmin v0.2d, v0.2d, v2.2d
|
||||
fminp MAXF, v0.2d
|
||||
#else
|
||||
fmax v0.2d, v0.2d, v2.2d
|
||||
fmaxp MAXF, v0.2d
|
||||
#endif
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.macro KERNEL_F4
|
||||
#if !defined(DOUBLE)
|
||||
ld2 {v1.4s,v2.4s}, [X], #32
|
||||
fabs v1.4s, v1.4s // [X6, X4, X2, X0]
|
||||
fabs v2.4s, v2.4s // [X7, X5, X3, X1]
|
||||
fadd v1.4s, v1.4s, v2.4s // [X7+X6, X5+X4, X3+X2, X1+X0]
|
||||
#if defined(USE_MIN)
|
||||
fminv TMPF, v1.4s
|
||||
#else
|
||||
fmaxv TMPF, v1.4s
|
||||
#endif
|
||||
#else // DOUBLE
|
||||
ld4 {v1.2d,v2.2d,v3.2d,v4.2d}, [X], #64
|
||||
fabs v1.2d, v1.2d
|
||||
fabs v2.2d, v2.2d
|
||||
fabs v3.2d, v3.2d
|
||||
fabs v4.2d, v4.2d
|
||||
fadd v1.2d, v1.2d, v2.2d
|
||||
fadd v3.2d, v3.2d, v4.2d
|
||||
#if defined(USE_MIN)
|
||||
fmin v1.2d, v1.2d, v3.2d
|
||||
fminp MAXF, v1.2d
|
||||
#else
|
||||
fmax v1.2d, v1.2d, v3.2d
|
||||
fmaxp MAXF, v1.2d
|
||||
#endif
|
||||
#endif
|
||||
fcmp MAXF, TMPF
|
||||
fcsel MAXF, MAXF, TMPF, COND
|
||||
.endm
|
||||
|
||||
.macro INIT_S
|
||||
#if !defined(DOUBLE)
|
||||
lsl INC_X, INC_X, #3
|
||||
ld1 {v0.2s}, [X], INC_X
|
||||
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
|
||||
fabs v0.2d, v0.2d
|
||||
faddp MAXF, v0.2d
|
||||
#endif
|
||||
.endm
|
||||
|
||||
.macro KERNEL_S1
|
||||
#if !defined(DOUBLE)
|
||||
ld1 {v1.2s}, [X], INC_X
|
||||
fabs v1.2s, v1.2s
|
||||
ext v2.8b, v1.8b, v1.8b, #4
|
||||
fadd TMPF, s1, s2
|
||||
#else
|
||||
ld1 {v1.2d}, [X], INC_X
|
||||
fabs v1.2d, v1.2d
|
||||
faddp TMPF, v1.2d
|
||||
#endif
|
||||
fcmp MAXF, TMPF
|
||||
fcsel MAXF, MAXF, TMPF, COND
|
||||
.endm
|
||||
|
||||
/*******************************************************************************
|
||||
* End of macro definitions
|
||||
*******************************************************************************/
|
||||
|
||||
PROLOGUE
|
||||
|
||||
cmp N, xzr
|
||||
ble amax_kernel_zero
|
||||
cmp INC_X, xzr
|
||||
ble amax_kernel_zero
|
||||
|
||||
cmp INC_X, #1
|
||||
bne amax_kernel_S_BEGIN
|
||||
|
||||
amax_kernel_F_BEGIN:
|
||||
|
||||
asr I, N, #2
|
||||
cmp I, xzr
|
||||
beq amax_kernel_F1_INIT
|
||||
|
||||
INIT_F4
|
||||
subs I, I, #1
|
||||
beq amax_kernel_F1
|
||||
|
||||
amax_kernel_F4:
|
||||
|
||||
KERNEL_F4
|
||||
|
||||
subs I, I, #1
|
||||
bne amax_kernel_F4
|
||||
|
||||
amax_kernel_F1:
|
||||
|
||||
ands I, N, #3
|
||||
ble amax_kernel_L999
|
||||
|
||||
amax_kernel_F10:
|
||||
|
||||
KERNEL_F1
|
||||
|
||||
subs I, I, #1
|
||||
bne amax_kernel_F10
|
||||
|
||||
ret
|
||||
|
||||
amax_kernel_F1_INIT:
|
||||
|
||||
INIT_F1
|
||||
subs N, N, #1
|
||||
b amax_kernel_F1
|
||||
|
||||
amax_kernel_S_BEGIN:
|
||||
|
||||
INIT_S
|
||||
|
||||
subs N, N, #1
|
||||
ble amax_kernel_L999
|
||||
|
||||
asr I, N, #2
|
||||
cmp I, xzr
|
||||
ble amax_kernel_S1
|
||||
|
||||
amax_kernel_S4:
|
||||
|
||||
KERNEL_S1
|
||||
KERNEL_S1
|
||||
KERNEL_S1
|
||||
KERNEL_S1
|
||||
|
||||
subs I, I, #1
|
||||
bne amax_kernel_S4
|
||||
|
||||
amax_kernel_S1:
|
||||
|
||||
ands I, N, #3
|
||||
ble amax_kernel_L999
|
||||
|
||||
amax_kernel_S10:
|
||||
|
||||
KERNEL_S1
|
||||
|
||||
subs I, I, #1
|
||||
bne amax_kernel_S10
|
||||
|
||||
amax_kernel_L999:
|
||||
|
||||
ret
|
||||
|
||||
amax_kernel_zero:
|
||||
|
||||
fmov MAXF, REG0
|
||||
ret
|
||||
|
||||
EPILOGUE
|
||||
Loading…
Reference in New Issue