diff --git a/kernel/arm64/KERNEL.THUNDERX2T99 b/kernel/arm64/KERNEL.THUNDERX2T99 index 6964aabf8..497768dbf 100644 --- a/kernel/arm64/KERNEL.THUNDERX2T99 +++ b/kernel/arm64/KERNEL.THUNDERX2T99 @@ -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 diff --git a/kernel/arm64/copy_thunderx2t99.c b/kernel/arm64/copy_thunderx2t99.c new file mode 100644 index 000000000..49526a15e --- /dev/null +++ b/kernel/arm64/copy_thunderx2t99.c @@ -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 +#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; +}