include $(KERNELDIR)/KERNEL.CORTEXA57
+SASUMKERNEL = sasum_thunderx2t99.c
+DASUMKERNEL = dasum_thunderx2t99.c
CASUMKERNEL = casum_thunderx2t99.c
+ZASUMKERNEL = zasum_thunderx2t99.c
SNRM2KERNEL = snrm2_thunderx2t99.c
CNRM2KERNEL = cnrm2_thunderx2t99.S
DDOTKERNEL = ddot_thunderx2t99.c
+
ifeq ($(DGEMM_UNROLL_M)x$(DGEMM_UNROLL_N), 8x4)
DGEMMKERNEL = dgemm_kernel_8x4_thunderx2t99.S
endif
--- /dev/null
+/***************************************************************************
+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 J "x5" /* loop variable */
+
+#define REG0 "xzr"
+#define SUMF "d0"
+#define TMPF "d1"
+
+/******************************************************************************/
+
+#define KERNEL_F1 \
+ "ldr "TMPF", ["X"] \n" \
+ "add "X", "X", #8 \n" \
+ "fabs "TMPF", "TMPF" \n" \
+ "fadd "SUMF", "SUMF", "TMPF" \n"
+
+#define KERNEL_F32 \
+ "ldr q16, ["X"] \n" \
+ "ldr q17, ["X", #16] \n" \
+ "ldr q18, ["X", #32] \n" \
+ "ldr q19, ["X", #48] \n" \
+ "ldp q20, q21, ["X", #64] \n" \
+ "ldp q22, q23, ["X", #96] \n" \
+ "fabs v16.2d, v16.2d \n" \
+ "fabs v17.2d, v17.2d \n" \
+ "fabs v18.2d, v18.2d \n" \
+ "fabs v19.2d, v19.2d \n" \
+ "ldp q24, q25, ["X", #128] \n" \
+ "ldp q26, q27, ["X", #160] \n" \
+ "fabs v20.2d, v20.2d \n" \
+ "fabs v21.2d, v21.2d \n" \
+ "fabs v22.2d, v22.2d \n" \
+ "fabs v23.2d, v23.2d \n" \
+ "fadd v16.2d, v16.2d, v17.2d \n" \
+ "fadd v18.2d, v18.2d, v19.2d \n" \
+ "ldp q28, q29, ["X", #192] \n" \
+ "ldp q30, q31, ["X", #224] \n" \
+ "fabs v24.2d, v24.2d \n" \
+ "fabs v25.2d, v25.2d \n" \
+ "fabs v26.2d, v26.2d \n" \
+ "fabs v27.2d, v27.2d \n" \
+ "add "X", "X", #256 \n" \
+ "fadd v20.2d, v20.2d, v21.2d \n" \
+ "fadd v22.2d, v22.2d, v23.2d \n" \
+ "fabs v28.2d, v28.2d \n" \
+ "fabs v29.2d, v29.2d \n" \
+ "fabs v30.2d, v30.2d \n" \
+ "fabs v31.2d, v31.2d \n" \
+ "PRFM PLDL1KEEP, ["X", #1024] \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+64] \n" \
+ "fadd v24.2d, v24.2d, v25.2d \n" \
+ "fadd v26.2d, v26.2d, v27.2d \n" \
+ "fadd v28.2d, v28.2d, v29.2d \n" \
+ "fadd v30.2d, v30.2d, v31.2d \n" \
+ "fadd v0.2d, v0.2d, v16.2d \n" \
+ "fadd v1.2d, v1.2d, v18.2d \n" \
+ "fadd v2.2d, v2.2d, v20.2d \n" \
+ "fadd v3.2d, v3.2d, v22.2d \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+128] \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+192] \n" \
+ "fadd v4.2d, v4.2d, v24.2d \n" \
+ "fadd v5.2d, v5.2d, v26.2d \n" \
+ "fadd v6.2d, v6.2d, v28.2d \n" \
+ "fadd v7.2d, v7.2d, v30.2d \n"
+
+#define KERNEL_F32_FINALIZE \
+ "fadd v0.2d, v0.2d, v1.2d \n" \
+ "fadd v2.2d, v2.2d, v3.2d \n" \
+ "fadd v4.2d, v4.2d, v5.2d \n" \
+ "fadd v6.2d, v6.2d, v7.2d \n" \
+ "fadd v0.2d, v0.2d, v2.2d \n" \
+ "fadd v4.2d, v4.2d, v6.2d \n" \
+ "fadd v0.2d, v0.2d, v4.2d \n" \
+ "faddp "SUMF", v0.2d \n"
+
+#define INIT_S \
+ "lsl "INC_X", "INC_X", #3 \n"
+
+#define KERNEL_S1 \
+ "ldr "TMPF", ["X"] \n" \
+ "add "X", "X", "INC_X" \n" \
+ "fabs "TMPF", "TMPF" \n" \
+ "fadd "SUMF", "SUMF", "TMPF" \n"
+
+
+#if defined(SMP)
+extern int blas_level1_thread_with_return_value(int mode, BLASLONG m, BLASLONG n,
+ BLASLONG k, void *alpha, void *a, BLASLONG lda, void *b, BLASLONG ldb,
+ void *c, BLASLONG ldc, int (*function)(), int nthreads);
+#endif
+
+
+static FLOAT dasum_compute(BLASLONG n, FLOAT *x, BLASLONG inc_x)
+{
+ FLOAT asum = 0.0 ;
+
+ if ( n < 0 ) return(asum);
+
+ __asm__ __volatile__ (
+ " mov "N", %[N_] \n"
+ " mov "X", %[X_] \n"
+ " mov "INC_X", %[INCX_] \n"
+ " fmov "SUMF", "REG0" \n"
+ " fmov d1, "REG0" \n"
+ " fmov d2, "REG0" \n"
+ " fmov d3, "REG0" \n"
+ " fmov d4, "REG0" \n"
+ " fmov d5, "REG0" \n"
+ " fmov d6, "REG0" \n"
+ " fmov d7, "REG0" \n"
+ " cmp "N", xzr \n"
+ " ble .Lasum_kernel_L999 \n"
+ " cmp "INC_X", xzr \n"
+ " ble .Lasum_kernel_L999 \n"
+ " cmp "INC_X", #1 \n"
+ " bne .Lasum_kernel_S_BEGIN \n"
+
+ ".Lasum_kernel_F_BEGIN: \n"
+ " asr "J", "N", #5 \n"
+ " cmp "J", xzr \n"
+ " beq .Lasum_kernel_F1 \n"
+
+ ".align 5 \n"
+ ".Lasum_kernel_F32: \n"
+ " "KERNEL_F32" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_F32 \n"
+ " "KERNEL_F32_FINALIZE" \n"
+
+ ".Lasum_kernel_F1: \n"
+ " ands "J", "N", #31 \n"
+ " ble .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_F10: \n"
+ " "KERNEL_F1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_F10 \n"
+ " b .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_S_BEGIN: \n"
+ " "INIT_S" \n"
+ " asr "J", "N", #2 \n"
+ " cmp "J", xzr \n"
+ " ble .Lasum_kernel_S1 \n"
+
+ ".Lasum_kernel_S4: \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_S4 \n"
+
+ ".Lasum_kernel_S1: \n"
+ " ands "J", "N", #3 \n"
+ " ble .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_S10: \n"
+ " "KERNEL_S1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_S10 \n"
+
+ ".Lasum_kernel_L999: \n"
+ " fmov %[ASUM_], "SUMF" \n"
+
+ : [ASUM_] "=r" (asum) //%0
+ : [N_] "r" (n), //%1
+ [X_] "r" (x), //%2
+ [INCX_] "r" (inc_x) //%3
+ : "cc",
+ "memory",
+ "x0", "x1", "x2", "x3", "x4", "x5",
+ "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7"
+ );
+
+ return asum;
+}
+
+#if defined(SMP)
+static int dasum_thread_function(BLASLONG n, BLASLONG dummy0,
+ BLASLONG dummy1, FLOAT dummy2, FLOAT *x, BLASLONG inc_x, FLOAT *y,
+ BLASLONG inc_y, FLOAT *result, BLASLONG dummy3)
+{
+ *result = dasum_compute(n, x, inc_x);
+
+ return 0;
+}
+#endif
+
+FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
+{
+#if defined(SMP)
+ int nthreads;
+ FLOAT dummy_alpha;
+#endif
+ FLOAT asum = 0.0;
+
+#if defined(SMP)
+ nthreads = num_cpu_avail(1);
+
+ if (inc_x == 0)
+ nthreads = 1;
+
+ if (n <= 10000)
+ nthreads = 1;
+
+ if (nthreads == 1) {
+ asum = dasum_compute(n, x, inc_x);
+ } else {
+ int mode, i;
+ char result[MAX_CPU_NUMBER * sizeof(double) * 2];
+ FLOAT *ptr;
+
+ mode = BLAS_DOUBLE;
+
+ blas_level1_thread_with_return_value(mode, n, 0, 0, &dummy_alpha,
+ x, inc_x, NULL, 0, result, 0,
+ ( void *)dasum_thread_function, nthreads);
+
+ ptr = (FLOAT *)result;
+ for (i = 0; i < nthreads; i++) {
+ asum = asum + (*ptr);
+ ptr = (FLOAT *)(((char *)ptr) + sizeof(double) * 2);
+ }
+ }
+#else
+ asum = dasum_compute(n, x, inc_x);
+#endif
+
+ return asum;
+}
--- /dev/null
+/***************************************************************************
+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 J "x5" /* loop variable */
+
+#define REG0 "wzr"
+#define SUMF "s0"
+#define SUMFD "d0"
+
+/******************************************************************************/
+
+#define KERNEL_F1 \
+ "ldr s1, ["X"] \n" \
+ "add "X", "X", #4 \n" \
+ "fabs s1, s1 \n" \
+ "fadd "SUMF", "SUMF", s1 \n"
+
+#define KERNEL_F64 \
+ "ldr q16, ["X"] \n" \
+ "ldr q17, ["X", #16] \n" \
+ "ldr q18, ["X", #32] \n" \
+ "ldr q19, ["X", #48] \n" \
+ "ldp q20, q21, ["X", #64] \n" \
+ "ldp q22, q23, ["X", #96] \n" \
+ "fabs v16.4s, v16.4s \n" \
+ "fabs v17.4s, v17.4s \n" \
+ "fabs v18.4s, v18.4s \n" \
+ "fabs v19.4s, v19.4s \n" \
+ "ldp q24, q25, ["X", #128] \n" \
+ "ldp q26, q27, ["X", #160] \n" \
+ "fabs v20.4s, v20.4s \n" \
+ "fabs v21.4s, v21.4s \n" \
+ "fabs v22.4s, v22.4s \n" \
+ "fabs v23.4s, v23.4s \n" \
+ "fadd v16.4s, v16.4s, v17.4s \n" \
+ "fadd v18.4s, v18.4s, v19.4s \n" \
+ "ldp q28, q29, ["X", #192] \n" \
+ "ldp q30, q31, ["X", #224] \n" \
+ "fabs v24.4s, v24.4s \n" \
+ "fabs v25.4s, v25.4s \n" \
+ "fabs v26.4s, v26.4s \n" \
+ "fabs v27.4s, v27.4s \n" \
+ "add "X", "X", #256 \n" \
+ "fadd v20.4s, v20.4s, v21.4s \n" \
+ "fadd v22.4s, v22.4s, v23.4s \n" \
+ "fabs v28.4s, v28.4s \n" \
+ "fabs v29.4s, v29.4s \n" \
+ "fabs v30.4s, v30.4s \n" \
+ "fabs v31.4s, v31.4s \n" \
+ "PRFM PLDL1KEEP, ["X", #1024] \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+64] \n" \
+ "fadd v24.4s, v24.4s, v25.4s \n" \
+ "fadd v26.4s, v26.4s, v27.4s \n" \
+ "fadd v0.4s, v0.4s, v16.4s \n" \
+ "fadd v1.4s, v1.4s, v18.4s \n" \
+ "fadd v2.4s, v2.4s, v20.4s \n" \
+ "fadd v3.4s, v3.4s, v22.4s \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+128] \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+192] \n" \
+ "fadd v28.4s, v28.4s, v29.4s \n" \
+ "fadd v30.4s, v30.4s, v31.4s \n" \
+ "fadd v4.4s, v4.4s, v24.4s \n" \
+ "fadd v5.4s, v5.4s, v26.4s \n" \
+ "fadd v6.4s, v6.4s, v28.4s \n" \
+ "fadd v7.4s, v7.4s, v30.4s \n"
+
+#define KERNEL_F64_FINALIZE \
+ "fadd v0.4s, v0.4s, v1.4s \n" \
+ "fadd v2.4s, v2.4s, v3.4s \n" \
+ "fadd v4.4s, v4.4s, v5.4s \n" \
+ "fadd v6.4s, v6.4s, v7.4s \n" \
+ "fadd v0.4s, v0.4s, v2.4s \n" \
+ "fadd v4.4s, v4.4s, v6.4s \n" \
+ "fadd v0.4s, v0.4s, v4.4s \n" \
+ "ext v1.16b, v0.16b, v0.16b, #8 \n" \
+ "fadd v0.2s, v0.2s, v1.2s \n" \
+ "faddp "SUMF", v0.2s \n"
+
+#define INIT_S \
+ "lsl "INC_X", "INC_X", #2 \n"
+
+#define KERNEL_S1 \
+ "ldr s1, ["X"] \n" \
+ "add "X", "X", "INC_X" \n" \
+ "fabs s1, s1 \n" \
+ "fadd "SUMF", "SUMF", s1 \n"
+
+
+#if defined(SMP)
+extern int blas_level1_thread_with_return_value(int mode, BLASLONG m, BLASLONG n,
+ BLASLONG k, void *alpha, void *a, BLASLONG lda, void *b, BLASLONG ldb,
+ void *c, BLASLONG ldc, int (*function)(), int nthreads);
+#endif
+
+
+static FLOAT sasum_compute(BLASLONG n, FLOAT *x, BLASLONG inc_x)
+{
+ FLOAT asum = 0.0 ;
+
+ if ( n < 0 ) return(asum);
+
+ __asm__ __volatile__ (
+ " mov "N", %[N_] \n"
+ " mov "X", %[X_] \n"
+ " mov "INC_X", %[INCX_] \n"
+ " fmov "SUMF", "REG0" \n"
+ " fmov s1, "REG0" \n"
+ " fmov s2, "REG0" \n"
+ " fmov s3, "REG0" \n"
+ " fmov s4, "REG0" \n"
+ " fmov s5, "REG0" \n"
+ " fmov s6, "REG0" \n"
+ " fmov s7, "REG0" \n"
+ " cmp "N", xzr \n"
+ " ble .Lasum_kernel_L999 \n"
+ " cmp "INC_X", xzr \n"
+ " ble .Lasum_kernel_L999 \n"
+ " cmp "INC_X", #1 \n"
+ " bne .Lasum_kernel_S_BEGIN \n"
+
+ ".Lasum_kernel_F_BEGIN: \n"
+ " asr "J", "N", #6 \n"
+ " cmp "J", xzr \n"
+ " beq .Lasum_kernel_F1 \n"
+
+ ".align 5 \n"
+ ".Lasum_kernel_F64: \n"
+ " "KERNEL_F64" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_F64 \n"
+ " "KERNEL_F64_FINALIZE" \n"
+
+ ".Lasum_kernel_F1: \n"
+ " ands "J", "N", #63 \n"
+ " ble .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_F10: \n"
+ " "KERNEL_F1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_F10 \n"
+ " b .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_S_BEGIN: \n"
+ " "INIT_S" \n"
+ " asr "J", "N", #2 \n"
+ " cmp "J", xzr \n"
+ " ble .Lasum_kernel_S1 \n"
+
+ ".Lasum_kernel_S4: \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_S4 \n"
+
+ ".Lasum_kernel_S1: \n"
+ " ands "J", "N", #3 \n"
+ " ble .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_S10: \n"
+ " "KERNEL_S1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_S10 \n"
+
+ ".Lasum_kernel_L999: \n"
+ " fmov %[ASUM_], "SUMFD" \n"
+
+ : [ASUM_] "=r" (asum) //%0
+ : [N_] "r" (n), //%1
+ [X_] "r" (x), //%2
+ [INCX_] "r" (inc_x) //%3
+ : "cc",
+ "memory",
+ "x0", "x1", "x2", "x3", "x4", "x5",
+ "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7"
+ );
+
+ return asum;
+}
+
+#if defined(SMP)
+static int sasum_thread_function(BLASLONG n, BLASLONG dummy0,
+ BLASLONG dummy1, FLOAT dummy2, FLOAT *x, BLASLONG inc_x, FLOAT *y,
+ BLASLONG inc_y, FLOAT *result, BLASLONG dummy3)
+{
+ *result = sasum_compute(n, x, inc_x);
+
+ return 0;
+}
+#endif
+
+FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
+{
+#if defined(SMP)
+ int nthreads;
+ FLOAT dummy_alpha;
+#endif
+ FLOAT asum = 0.0;
+
+#if defined(SMP)
+ nthreads = num_cpu_avail(1);
+
+ if (inc_x == 0)
+ nthreads = 1;
+
+ if (n <= 10000)
+ nthreads = 1;
+
+ if (nthreads == 1) {
+ asum = sasum_compute(n, x, inc_x);
+ } else {
+ int mode, i;
+ char result[MAX_CPU_NUMBER * sizeof(double) * 2];
+ FLOAT *ptr;
+
+ mode = BLAS_SINGLE;
+
+ blas_level1_thread_with_return_value(mode, n, 0, 0, &dummy_alpha,
+ x, inc_x, NULL, 0, result, 0,
+ ( void *)sasum_thread_function, nthreads);
+
+ ptr = (FLOAT *)result;
+ for (i = 0; i < nthreads; i++) {
+ asum = asum + (*ptr);
+ ptr = (FLOAT *)(((char *)ptr) + sizeof(double) * 2);
+ }
+ }
+#else
+ asum = sasum_compute(n, x, inc_x);
+#endif
+
+ return asum;
+}
--- /dev/null
+/***************************************************************************
+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 J "x5" /* loop variable */
+
+#define REG0 "xzr"
+#define SUMF "d0"
+#define TMPF "d1"
+
+/******************************************************************************/
+
+#define KERNEL_F1 \
+ "ldr q1, ["X"] \n" \
+ "add "X", "X", #16 \n" \
+ "fabs v1.2d, v1.2d \n" \
+ "faddp d1, v1.2d \n" \
+ "fadd "SUMF", "SUMF", d1 \n"
+
+#define KERNEL_F16 \
+ "ldr q16, ["X"] \n" \
+ "ldr q17, ["X", #16] \n" \
+ "ldr q18, ["X", #32] \n" \
+ "ldr q19, ["X", #48] \n" \
+ "ldp q20, q21, ["X", #64] \n" \
+ "ldp q22, q23, ["X", #96] \n" \
+ "fabs v16.2d, v16.2d \n" \
+ "fabs v17.2d, v17.2d \n" \
+ "fabs v18.2d, v18.2d \n" \
+ "fabs v19.2d, v19.2d \n" \
+ "ldp q24, q25, ["X", #128] \n" \
+ "ldp q26, q27, ["X", #160] \n" \
+ "fabs v20.2d, v20.2d \n" \
+ "fabs v21.2d, v21.2d \n" \
+ "fabs v22.2d, v22.2d \n" \
+ "fabs v23.2d, v23.2d \n" \
+ "fadd v16.2d, v16.2d, v17.2d \n" \
+ "fadd v18.2d, v18.2d, v19.2d \n" \
+ "ldp q28, q29, ["X", #192] \n" \
+ "ldp q30, q31, ["X", #224] \n" \
+ "fabs v24.2d, v24.2d \n" \
+ "fabs v25.2d, v25.2d \n" \
+ "fabs v26.2d, v26.2d \n" \
+ "fabs v27.2d, v27.2d \n" \
+ "add "X", "X", #256 \n" \
+ "fadd v20.2d, v20.2d, v21.2d \n" \
+ "fadd v22.2d, v22.2d, v23.2d \n" \
+ "fabs v28.2d, v28.2d \n" \
+ "fabs v29.2d, v29.2d \n" \
+ "fabs v30.2d, v30.2d \n" \
+ "fabs v31.2d, v31.2d \n" \
+ "PRFM PLDL1KEEP, ["X", #1024] \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+64] \n" \
+ "fadd v24.2d, v24.2d, v25.2d \n" \
+ "fadd v26.2d, v26.2d, v27.2d \n" \
+ "fadd v28.2d, v28.2d, v29.2d \n" \
+ "fadd v30.2d, v30.2d, v31.2d \n" \
+ "fadd v0.2d, v0.2d, v16.2d \n" \
+ "fadd v1.2d, v1.2d, v18.2d \n" \
+ "fadd v2.2d, v2.2d, v20.2d \n" \
+ "fadd v3.2d, v3.2d, v22.2d \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+128] \n" \
+ "PRFM PLDL1KEEP, ["X", #1024+192] \n" \
+ "fadd v4.2d, v4.2d, v24.2d \n" \
+ "fadd v5.2d, v5.2d, v26.2d \n" \
+ "fadd v6.2d, v6.2d, v28.2d \n" \
+ "fadd v7.2d, v7.2d, v30.2d \n"
+
+#define KERNEL_F16_FINALIZE \
+ "fadd v0.2d, v0.2d, v1.2d \n" \
+ "fadd v2.2d, v2.2d, v3.2d \n" \
+ "fadd v4.2d, v4.2d, v5.2d \n" \
+ "fadd v6.2d, v6.2d, v7.2d \n" \
+ "fadd v0.2d, v0.2d, v2.2d \n" \
+ "fadd v4.2d, v4.2d, v6.2d \n" \
+ "fadd v0.2d, v0.2d, v4.2d \n" \
+ "faddp "SUMF", v0.2d \n"
+
+#define INIT_S \
+ "lsl "INC_X", "INC_X", #4 \n"
+
+#define KERNEL_S1 \
+ "ldr q1, ["X"] \n" \
+ "add "X", "X", "INC_X" \n" \
+ "fabs v1.2d, v1.2d \n" \
+ "faddp d1, v1.2d \n" \
+ "fadd "SUMF", "SUMF", d1 \n"
+
+
+#if defined(SMP)
+extern int blas_level1_thread_with_return_value(int mode, BLASLONG m, BLASLONG n,
+ BLASLONG k, void *alpha, void *a, BLASLONG lda, void *b, BLASLONG ldb,
+ void *c, BLASLONG ldc, int (*function)(), int nthreads);
+#endif
+
+
+static FLOAT zasum_compute(BLASLONG n, FLOAT *x, BLASLONG inc_x)
+{
+ FLOAT asum = 0.0 ;
+
+ if ( n < 0 ) return(asum);
+
+ __asm__ __volatile__ (
+ " mov "N", %[N_] \n"
+ " mov "X", %[X_] \n"
+ " mov "INC_X", %[INCX_] \n"
+ " fmov "SUMF", "REG0" \n"
+ " fmov d1, "REG0" \n"
+ " fmov d2, "REG0" \n"
+ " fmov d3, "REG0" \n"
+ " fmov d4, "REG0" \n"
+ " fmov d5, "REG0" \n"
+ " fmov d6, "REG0" \n"
+ " fmov d7, "REG0" \n"
+ " cmp "N", xzr \n"
+ " ble .Lasum_kernel_L999 \n"
+ " cmp "INC_X", xzr \n"
+ " ble .Lasum_kernel_L999 \n"
+ " cmp "INC_X", #1 \n"
+ " bne .Lasum_kernel_S_BEGIN \n"
+
+ ".Lasum_kernel_F_BEGIN: \n"
+ " asr "J", "N", #4 \n"
+ " cmp "J", xzr \n"
+ " beq .Lasum_kernel_F1 \n"
+
+ ".align 5 \n"
+ ".Lasum_kernel_F16: \n"
+ " "KERNEL_F16" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_F16 \n"
+ " "KERNEL_F16_FINALIZE" \n"
+
+ ".Lasum_kernel_F1: \n"
+ " ands "J", "N", #15 \n"
+ " ble .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_F10: \n"
+ " "KERNEL_F1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_F10 \n"
+ " b .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_S_BEGIN: \n"
+ " "INIT_S" \n"
+ " asr "J", "N", #2 \n"
+ " cmp "J", xzr \n"
+ " ble .Lasum_kernel_S1 \n"
+
+ ".Lasum_kernel_S4: \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " "KERNEL_S1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_S4 \n"
+
+ ".Lasum_kernel_S1: \n"
+ " ands "J", "N", #3 \n"
+ " ble .Lasum_kernel_L999 \n"
+
+ ".Lasum_kernel_S10: \n"
+ " "KERNEL_S1" \n"
+ " subs "J", "J", #1 \n"
+ " bne .Lasum_kernel_S10 \n"
+
+ ".Lasum_kernel_L999: \n"
+ " fmov %[ASUM_], "SUMF" \n"
+
+ : [ASUM_] "=r" (asum) //%0
+ : [N_] "r" (n), //%1
+ [X_] "r" (x), //%2
+ [INCX_] "r" (inc_x) //%3
+ : "cc",
+ "memory",
+ "x0", "x1", "x2", "x3", "x4", "x5",
+ "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7"
+ );
+
+ return asum;
+}
+
+#if defined(SMP)
+static int zasum_thread_function(BLASLONG n, BLASLONG dummy0,
+ BLASLONG dummy1, FLOAT dummy2, FLOAT *x, BLASLONG inc_x, FLOAT *y,
+ BLASLONG inc_y, FLOAT *result, BLASLONG dummy3)
+{
+ *result = zasum_compute(n, x, inc_x);
+
+ return 0;
+}
+#endif
+
+FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
+{
+#if defined(SMP)
+ int nthreads;
+ FLOAT dummy_alpha;
+#endif
+ FLOAT asum = 0.0;
+
+#if defined(SMP)
+ nthreads = num_cpu_avail(1);
+
+ if (inc_x == 0)
+ nthreads = 1;
+
+ if (n <= 10000)
+ nthreads = 1;
+
+ if (nthreads == 1) {
+ asum = zasum_compute(n, x, inc_x);
+ } else {
+ int mode, i;
+ char result[MAX_CPU_NUMBER * sizeof(double) * 2];
+ FLOAT *ptr;
+
+ mode = BLAS_DOUBLE | BLAS_COMPLEX;
+
+ blas_level1_thread_with_return_value(mode, n, 0, 0, &dummy_alpha,
+ x, inc_x, NULL, 0, result, 0,
+ ( void *)zasum_thread_function, nthreads);
+
+ ptr = (FLOAT *)result;
+ for (i = 0; i < nthreads; i++) {
+ asum = asum + (*ptr);
+ ptr = (FLOAT *)(((char *)ptr) + sizeof(double) * 2);
+ }
+ }
+#else
+ asum = zasum_compute(n, x, inc_x);
+#endif
+
+ return asum;
+}
projects / platform / upstream / openblas.git / commitdiff