THUNDERX2T99: Add optimized S/D/C/Z COPY Implementations
This commit is contained in:
parent
e58233460a
commit
d09f88192c
|
@ -5,6 +5,11 @@ DASUMKERNEL = dasum_thunderx2t99.c
|
|||
CASUMKERNEL = casum_thunderx2t99.c
|
||||
ZASUMKERNEL = zasum_thunderx2t99.c
|
||||
|
||||
SCOPYKERNEL = copy_thunderx2t99.c
|
||||
DCOPYKERNEL = copy_thunderx2t99.c
|
||||
CCOPYKERNEL = copy_thunderx2t99.c
|
||||
ZCOPYKERNEL = copy_thunderx2t99.c
|
||||
|
||||
SNRM2KERNEL = snrm2_thunderx2t99.c
|
||||
CNRM2KERNEL = cnrm2_thunderx2t99.S
|
||||
|
||||
|
|
|
@ -0,0 +1,219 @@
|
|||
/***************************************************************************
|
||||
Copyright (c) 2017, 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.
|
||||
*****************************************************************************/
|
||||
|
||||
#include "common.h"
|
||||
|
||||
#include <arm_neon.h>
|
||||
#define N "x0" /* vector length */
|
||||
#define X "x1" /* X vector address */
|
||||
#define INC_X "x2" /* X stride */
|
||||
#define Y "x3" /* Y vector address */
|
||||
#define INC_Y "x4" /* Y stride */
|
||||
#define J "x5" /* loop variable */
|
||||
|
||||
/*******************************************************************************
|
||||
* Macro definitions
|
||||
*******************************************************************************/
|
||||
#if !defined(COMPLEX)
|
||||
#if !defined(DOUBLE)
|
||||
#define TMPF "s0"
|
||||
#define INC_SHIFT "2"
|
||||
#define N_DIV_SHIFT "2"
|
||||
#define N_REM_MASK "3"
|
||||
#else
|
||||
#define TMPF "d0"
|
||||
#define INC_SHIFT "3"
|
||||
#define N_DIV_SHIFT "1"
|
||||
#define N_REM_MASK "1"
|
||||
#endif
|
||||
#else
|
||||
#if !defined(DOUBLE)
|
||||
#define TMPF "d0"
|
||||
#define INC_SHIFT "3"
|
||||
#define N_DIV_SHIFT "1"
|
||||
#define N_REM_MASK "1"
|
||||
#else
|
||||
#define TMPF "q0"
|
||||
#define INC_SHIFT "4"
|
||||
#define N_DIV_SHIFT "0"
|
||||
#define N_REM_MASK "0"
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define KERNEL_F1 \
|
||||
"ldr "TMPF", ["X"] \n" \
|
||||
"add "X", "X", "INC_X" \n" \
|
||||
"str "TMPF", ["Y"] \n" \
|
||||
"add "Y", "Y", "INC_Y" \n"
|
||||
|
||||
#define KERNEL_F \
|
||||
"ldr q0, ["X"], #16 \n" \
|
||||
"str q0, ["Y"], #16 \n"
|
||||
|
||||
#define INIT \
|
||||
"lsl "INC_X", "INC_X", #"INC_SHIFT" \n" \
|
||||
"lsl "INC_Y", "INC_Y", #"INC_SHIFT" \n"
|
||||
|
||||
|
||||
static int do_copy(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
|
||||
{
|
||||
if ( n < 0 ) return 0;
|
||||
|
||||
__asm__ __volatile__ (
|
||||
" mov "N", %[N_] \n"
|
||||
" mov "X", %[X_] \n"
|
||||
" mov "INC_X", %[INCX_] \n"
|
||||
" mov "Y", %[Y_] \n"
|
||||
" mov "INC_Y", %[INCY_] \n"
|
||||
" cmp "N", xzr \n"
|
||||
" ble .Lcopy_kernel_L999 \n"
|
||||
" cmp "INC_X", #1 \n"
|
||||
" bne .Lcopy_kernel_S_BEGIN \n"
|
||||
" cmp "INC_Y", #1 \n"
|
||||
" bne .Lcopy_kernel_S_BEGIN \n"
|
||||
|
||||
".Lcopy_kernel_F_BEGIN: \n"
|
||||
" "INIT" \n"
|
||||
" asr "J", "N", #"N_DIV_SHIFT" \n"
|
||||
" cmp "J", xzr \n"
|
||||
" beq .Lcopy_kernel_F1 \n"
|
||||
" .align 5 \n"
|
||||
|
||||
".Lcopy_kernel_F: \n"
|
||||
" "KERNEL_F" \n"
|
||||
" subs "J", "J", #1 \n"
|
||||
" bne .Lcopy_kernel_F \n"
|
||||
|
||||
".Lcopy_kernel_F1: \n"
|
||||
#if defined(COMPLEX) && defined(DOUBLE)
|
||||
" b .Lcopy_kernel_L999 \n"
|
||||
#else
|
||||
" ands "J", "N", #"N_REM_MASK" \n"
|
||||
" ble .Lcopy_kernel_L999 \n"
|
||||
#endif
|
||||
|
||||
".Lcopy_kernel_F10: \n"
|
||||
" "KERNEL_F1" \n"
|
||||
" subs "J", "J", #1 \n"
|
||||
" bne .Lcopy_kernel_F10 \n"
|
||||
" b .Lcopy_kernel_L999 \n"
|
||||
|
||||
".Lcopy_kernel_S_BEGIN: \n"
|
||||
" "INIT" \n"
|
||||
" asr "J", "N", #2 \n"
|
||||
" cmp "J", xzr \n"
|
||||
" ble .Lcopy_kernel_S1 \n"
|
||||
|
||||
".Lcopy_kernel_S4: \n"
|
||||
" "KERNEL_F1" \n"
|
||||
" "KERNEL_F1" \n"
|
||||
" "KERNEL_F1" \n"
|
||||
" "KERNEL_F1" \n"
|
||||
" subs "J", "J", #1 \n"
|
||||
" bne .Lcopy_kernel_S4 \n"
|
||||
|
||||
".Lcopy_kernel_S1: \n"
|
||||
" ands "J", "N", #3 \n"
|
||||
" ble .Lcopy_kernel_L999 \n"
|
||||
|
||||
".Lcopy_kernel_S10: \n"
|
||||
" "KERNEL_F1" \n"
|
||||
" subs "J", "J", #1 \n"
|
||||
" bne .Lcopy_kernel_S10 \n"
|
||||
|
||||
".Lcopy_kernel_L999: \n"
|
||||
|
||||
:
|
||||
: [N_] "r" (n), //%1
|
||||
[X_] "r" (x), //%2
|
||||
[INCX_] "r" (inc_x), //%3
|
||||
[Y_] "r" (y), //%4
|
||||
[INCY_] "r" (inc_y) //%5
|
||||
: "cc",
|
||||
"memory",
|
||||
"x0", "x1", "x2", "x3", "x4", "x5",
|
||||
"d0"
|
||||
);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if defined(SMP)
|
||||
static int copy_thread_function(BLASLONG n, BLASLONG dummy0,
|
||||
BLASLONG dummy1, FLOAT dummy2, FLOAT *x, BLASLONG inc_x, FLOAT *y,
|
||||
BLASLONG inc_y, FLOAT *dummy3, BLASLONG dummy4)
|
||||
{
|
||||
do_copy(n, x, inc_x, y, inc_y);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
int CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)
|
||||
{
|
||||
#if defined(SMP)
|
||||
int nthreads;
|
||||
FLOAT dummy_alpha;
|
||||
#endif
|
||||
|
||||
if (n <= 0) return 0;
|
||||
|
||||
#if defined(SMP)
|
||||
nthreads = num_cpu_avail(1);
|
||||
|
||||
if (inc_x == 0)
|
||||
nthreads = 1;
|
||||
|
||||
if (n <= 10000)
|
||||
nthreads = 1;
|
||||
|
||||
if (nthreads == 1) {
|
||||
do_copy(n, x, inc_x, y, inc_y);
|
||||
} else {
|
||||
int mode = 0;
|
||||
|
||||
#if !defined(COMPLEX)
|
||||
mode = BLAS_REAL;
|
||||
#else
|
||||
mode = BLAS_COMPLEX;
|
||||
#endif
|
||||
#if !defined(DOUBLE)
|
||||
mode |= BLAS_SINGLE;
|
||||
#else
|
||||
mode |= BLAS_DOUBLE;
|
||||
#endif
|
||||
|
||||
blas_level1_thread(mode, n, 0, 0, &dummy_alpha,
|
||||
x, inc_x, y, inc_y, NULL, 0,
|
||||
( void *)copy_thread_function, nthreads);
|
||||
}
|
||||
#else
|
||||
do_copy(n, x, inc_x, y, inc_y);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue