blob: aa67715d43d641a7577ef7fbda77821511f89d84 [file] [log] [blame]
// Copyright 2020 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
$assert BATCH_TILE % 8 == 0
$assert BATCH_TILE >= 8
$ABC = "01234567456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
$assert OP in ["ADD", "DIV", "MAX", "MIN", "MUL", "SUB", "SQRDIFF"]
$assert ACTIVATION in ["LINEAR", "MINMAX"]
#include <assert.h>
#include <arm_neon.h>
#include <xnnpack/common.h>
#include <xnnpack/vbinary.h>
$VOPQ_f16 = {
$ "ADD": lambda x, y: "vaddq_f16(%s, %s)" % (x, y),
$ "DIV": lambda x, y: "vdivq_f16(%s, %s)" % (x, y),
$ "MAX": lambda x, y: "vmaxq_f16(%s, %s)" % (x, y),
$ "MIN": lambda x, y: "vminq_f16(%s, %s)" % (x, y),
$ "MUL": lambda x, y: "vmulq_f16(%s, %s)" % (x, y),
$ "SUB": lambda x, y: "vsubq_f16(%s, %s)" % (x, y),
$ "SQRDIFF": lambda x, y: "vsubq_f16(%s, %s)" % (x, y),
$}[OP]
$SUFFIX = {"LINEAR": "", "MINMAX": "_minmax"}[ACTIVATION]
$PARAMS = {"LINEAR": "xnn_f16_default_params", "MINMAX": "xnn_f16_minmax_params"}[ACTIVATION]
void xnn_f16_v${OP.lower()}${SUFFIX}_ukernel__neonfp16arith_x${BATCH_TILE}(
size_t n,
const void* restrict a_ptr,
const void* restrict b_ptr,
void* restrict y_ptr,
const struct ${PARAMS} params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
{
assert(n != 0);
assert(n % sizeof(__fp16) == 0);
assert(a_ptr != NULL);
assert(b_ptr != NULL);
assert(y_ptr != NULL);
const __fp16* a = (const __fp16*) a_ptr;
const __fp16* b = (const __fp16*) b_ptr;
__fp16* y = (__fp16*) y_ptr;
$if ACTIVATION == "MINMAX":
const float16x8_t vy_min = vld1q_dup_f16(&params->min);
const float16x8_t vy_max = vld1q_dup_f16(&params->max);
for (; n >= ${BATCH_TILE} * sizeof(__fp16); n -= ${BATCH_TILE} * sizeof(__fp16)) {
$for N in range(0, BATCH_TILE, 8):
const float16x8_t va${ABC[N:N+8]} = vld1q_f16(a); a += 8;
const float16x8_t vb${ABC[N:N+8]} = vld1q_f16(b); b += 8;
$for N in range(0, BATCH_TILE, 8):
float16x8_t vy${ABC[N:N+8]} = ${VOPQ_f16("va" + ABC[N:N+8], "vb" + ABC[N:N+8])};
$if OP == "SQRDIFF":
$for N in range(0, BATCH_TILE, 8):
vy${ABC[N:N+8]} = vmulq_f16(vy${ABC[N:N+8]}, vy${ABC[N:N+8]});
$if ACTIVATION == "MINMAX":
$for N in range(0, BATCH_TILE, 8):
vy${ABC[N:N+8]} = vmaxq_f16(vy${ABC[N:N+8]}, vy_min);
$for N in range(0, BATCH_TILE, 8):
vy${ABC[N:N+8]} = vminq_f16(vy${ABC[N:N+8]}, vy_max);
$for N in range(0, BATCH_TILE, 8):
vst1q_f16(y, vy${ABC[N:N+8]}); y += 8;
}
$if BATCH_TILE > 8:
for (; n >= 8 * sizeof(__fp16); n -= 8 * sizeof(__fp16)) {
const float16x8_t va01234567 = vld1q_f16(a); a += 8;
const float16x8_t vb01234567 = vld1q_f16(b); b += 8;
float16x8_t vy01234567 = ${VOPQ_f16("va01234567", "vb01234567")};
$if OP == "SQRDIFF":
vy01234567 = vmulq_f16(vy01234567, vy01234567);
$if ACTIVATION == "MINMAX":
vy01234567 = vmaxq_f16(vy01234567, vy_min);
vy01234567 = vminq_f16(vy01234567, vy_max);
vst1q_f16(y, vy01234567); y += 8;
}
if XNN_UNLIKELY(n != 0) {
const float16x8_t va01234567 = vld1q_f16(a);
const float16x8_t vb01234567 = vld1q_f16(b);
float16x8_t vy01234567 = ${VOPQ_f16("va01234567", "vb01234567")};
$if OP == "SQRDIFF":
vy01234567 = vmulq_f16(vy01234567, vy01234567);
$if ACTIVATION == "MINMAX":
vy01234567 = vmaxq_f16(vy01234567, vy_min);
vy01234567 = vminq_f16(vy01234567, vy_max);
float16x4_t vy0123 = vget_low_f16(vy01234567);
if (n & (4 * sizeof(__fp16))) {
vst1_f16(y, vy0123); y += 4;
vy0123 = vget_high_f16(vy01234567);
}
if (n & (2 * sizeof(__fp16))) {
vst1_lane_u32(__builtin_assume_aligned(y, 1), vreinterpret_u32_f16(vy0123), 0); y += 2;
vy0123 = vext_f16(vy0123, vy0123, 2);
}
if (n & (1 * sizeof(__fp16))) {
vst1_lane_f16(y, vy0123, 0);
}
}
}