| // Copyright 2019 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 % 4 == 0 |
| $assert BATCH_TILE >= 4 |
| $ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
| $assert OP in ["ADD", "DIV", "RDIV", "MAX", "MIN", "MUL", "SUB", "RSUB", "SQRDIFF"] |
| $assert ACTIVATION in ["LINEAR", "MINMAX"] |
| #include <assert.h> |
| |
| #include <arm_neon.h> |
| |
| #include <xnnpack/common.h> |
| #include <xnnpack/vbinary.h> |
| |
| |
| $VOPQ_F32 = { |
| $ "ADD": lambda x: "vaddq_f32(%s, vb)" % x, |
| $ "DIV": lambda x: "vdivq_f32(%s, vb)" % x, |
| $ "RDIV": lambda x: "vdivq_f32(vb, %s)" % x, |
| $ "MAX": lambda x: "vmaxq_f32(%s, vb)" % x, |
| $ "MIN": lambda x: "vminq_f32(%s, vb)" % x, |
| $ "MUL": lambda x: "vmulq_f32(%s, vb)" % x, |
| $ "SUB": lambda x: "vsubq_f32(%s, vb)" % x, |
| $ "RSUB": lambda x: "vsubq_f32(vb, %s)" % x, |
| $ "SQRDIFF": lambda x: "vsubq_f32(%s, vb)" % x, |
| $}[OP] |
| $SUFFIX = {"LINEAR": "", "MINMAX": "_minmax"}[ACTIVATION] |
| $PARAMS = {"LINEAR": "xnn_f32_default_params", "MINMAX": "xnn_f32_minmax_params"}[ACTIVATION] |
| void xnn_f32_v${OP.lower()}c${SUFFIX}_ukernel__neon_x${BATCH_TILE}( |
| size_t n, |
| const float* a, |
| const float* b, |
| float* y, |
| const union ${PARAMS} params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
| { |
| assert(n != 0); |
| assert(n % sizeof(float) == 0); |
| assert(a != NULL); |
| assert(b != NULL); |
| assert(y != NULL); |
| |
| $if ACTIVATION == "MINMAX": |
| const float32x4_t vy_min = vld1q_dup_f32(¶ms->scalar.min); |
| const float32x4_t vy_max = vld1q_dup_f32(¶ms->scalar.max); |
| |
| const float32x4_t vb = vld1q_dup_f32(b); |
| for (; n >= ${BATCH_TILE} * sizeof(float); n -= ${BATCH_TILE} * sizeof(float)) { |
| $for N in range(0, BATCH_TILE, 4): |
| const float32x4_t va${ABC[N:N+4]} = vld1q_f32(a); a += 4; |
| |
| $for N in range(0, BATCH_TILE, 4): |
| float32x4_t vy${ABC[N:N+4]} = ${VOPQ_F32("va" + ABC[N:N+4])}; |
| |
| $if OP == "SQRDIFF": |
| $for N in range(0, BATCH_TILE, 4): |
| vy${ABC[N:N+4]} = vmulq_f32(vy${ABC[N:N+4]}, vy${ABC[N:N+4]}); |
| |
| $if ACTIVATION == "MINMAX": |
| $for N in range(0, BATCH_TILE, 4): |
| vy${ABC[N:N+4]} = vmaxq_f32(vy${ABC[N:N+4]}, vy_min); |
| |
| $for N in range(0, BATCH_TILE, 4): |
| vy${ABC[N:N+4]} = vminq_f32(vy${ABC[N:N+4]}, vy_max); |
| |
| $for N in range(0, BATCH_TILE, 4): |
| vst1q_f32(y, vy${ABC[N:N+4]}); y += 4; |
| } |
| $if BATCH_TILE > 4: |
| for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { |
| const float32x4_t va0123 = vld1q_f32(a); a += 4; |
| |
| float32x4_t vy0123 = ${VOPQ_F32("va0123")}; |
| $if OP == "SQRDIFF": |
| vy0123 = vmulq_f32(vy0123, vy0123); |
| $if ACTIVATION == "MINMAX": |
| vy0123 = vmaxq_f32(vy0123, vy_min); |
| vy0123 = vminq_f32(vy0123, vy_max); |
| vst1q_f32(y, vy0123); y += 4; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| const float32x4_t va0123 = vld1q_f32(a); |
| |
| float32x4_t vy0123 = ${VOPQ_F32("va0123")}; |
| $if OP == "SQRDIFF": |
| vy0123 = vmulq_f32(vy0123, vy0123); |
| $if ACTIVATION == "MINMAX": |
| vy0123 = vmaxq_f32(vy0123, vy_min); |
| vy0123 = vminq_f32(vy0123, vy_max); |
| |
| float32x2_t vy01 = vget_low_f32(vy0123); |
| if (n & (2 * sizeof(float))) { |
| vst1_f32(y, vy01); y += 2; |
| vy01 = vget_high_f32(vy0123); |
| } |
| if (n & (1 * sizeof(float))) { |
| vst1_lane_f32(y, vy01, 0); |
| } |
| } |
| } |