// Auto-generated file. Do not edit! // Template: src/f16-vsigmoid/neonfp16arith.c.in // Generator: tools/xngen // // Copyright 2022 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. #include #include #include #include void xnn_f16_vsigmoid_ukernel__neonfp16arith_rr2_p2_nr1recps_x32( size_t batch, const void* input, void* output, const union xnn_f16_sigmoid_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS { assert(batch % sizeof(__fp16) == 0); const float16x8_t vmagic_bias = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.magic_bias)); const float16x8_t vminus_log2e = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.minus_log2e)); const float16x8_t vln2_hi = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.ln2_hi)); const float16x8_t vln2_lo = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.ln2_lo)); const float16x8_t vc2 = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.c2)); const float16x8_t vc1 = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.c1)); const float16x8_t vone = vmovq_n_f16(1.0f); const float16x8_t vdenorm_cutoff = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->neonfp16arith_rr2_p2.denorm_cutoff)); const __fp16* i = (const __fp16*) input; __fp16* o = (__fp16*) output; for (; batch >= 32 * sizeof(__fp16); batch -= 32 * sizeof(__fp16)) { const float16x8_t vx0 = vld1q_f16(i); i += 8; const float16x8_t vx1 = vld1q_f16(i); i += 8; const float16x8_t vx2 = vld1q_f16(i); i += 8; const float16x8_t vx3 = vld1q_f16(i); i += 8; const float16x8_t vz0 = vabsq_f16(vx0); const float16x8_t vz1 = vabsq_f16(vx1); const float16x8_t vz2 = vabsq_f16(vx2); const float16x8_t vz3 = vabsq_f16(vx3); float16x8_t vn0 = vfmaq_f16(vmagic_bias, vz0, vminus_log2e); float16x8_t vn1 = vfmaq_f16(vmagic_bias, vz1, vminus_log2e); float16x8_t vn2 = vfmaq_f16(vmagic_bias, vz2, vminus_log2e); float16x8_t vn3 = vfmaq_f16(vmagic_bias, vz3, vminus_log2e); const float16x8_t vs0 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn0), 10)); const float16x8_t vs1 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn1), 10)); const float16x8_t vs2 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn2), 10)); const float16x8_t vs3 = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn3), 10)); vn0 = vsubq_f16(vn0, vmagic_bias); vn1 = vsubq_f16(vn1, vmagic_bias); vn2 = vsubq_f16(vn2, vmagic_bias); vn3 = vsubq_f16(vn3, vmagic_bias); float16x8_t vt0 = vfmaq_f16(vz0, vn0, vln2_hi); float16x8_t vt1 = vfmaq_f16(vz1, vn1, vln2_hi); float16x8_t vt2 = vfmaq_f16(vz2, vn2, vln2_hi); float16x8_t vt3 = vfmaq_f16(vz3, vn3, vln2_hi); vt0 = vfmaq_f16(vt0, vn0, vln2_lo); vt1 = vfmaq_f16(vt1, vn1, vln2_lo); vt2 = vfmaq_f16(vt2, vn2, vln2_lo); vt3 = vfmaq_f16(vt3, vn3, vln2_lo); const float16x8_t vp0 = vfmaq_f16(vc1, vc2, vt0); const float16x8_t vp1 = vfmaq_f16(vc1, vc2, vt1); const float16x8_t vp2 = vfmaq_f16(vc1, vc2, vt2); const float16x8_t vp3 = vfmaq_f16(vc1, vc2, vt3); vt0 = vmulq_f16(vt0, vs0); vt1 = vmulq_f16(vt1, vs1); vt2 = vmulq_f16(vt2, vs2); vt3 = vmulq_f16(vt3, vs3); const float16x8_t ve0 = vfmaq_f16(vs0, vp0, vt0); const float16x8_t ve1 = vfmaq_f16(vs1, vp1, vt1); const float16x8_t ve2 = vfmaq_f16(vs2, vp2, vt2); const float16x8_t ve3 = vfmaq_f16(vs3, vp3, vt3); const float16x8_t vd0 = vaddq_f16(ve0, vone); const float16x8_t vd1 = vaddq_f16(ve1, vone); const float16x8_t vd2 = vaddq_f16(ve2, vone); const float16x8_t vd3 = vaddq_f16(ve3, vone); float16x8_t vr0 = vrecpeq_f16(vd0); float16x8_t vr1 = vrecpeq_f16(vd1); float16x8_t vr2 = vrecpeq_f16(vd2); float16x8_t vr3 = vrecpeq_f16(vd3); const float16x8_t vadj0 = vrecpsq_f16(vr0, vd0); const float16x8_t vadj1 = vrecpsq_f16(vr1, vd1); const float16x8_t vadj2 = vrecpsq_f16(vr2, vd2); const float16x8_t vadj3 = vrecpsq_f16(vr3, vd3); vr0 = vmulq_f16(vr0, vadj0); vr1 = vmulq_f16(vr1, vadj1); vr2 = vmulq_f16(vr2, vadj2); vr3 = vmulq_f16(vr3, vadj3); float16x8_t vf0 = vmulq_f16(ve0, vr0); float16x8_t vf1 = vmulq_f16(ve1, vr1); float16x8_t vf2 = vmulq_f16(ve2, vr2); float16x8_t vf3 = vmulq_f16(ve3, vr3); vf0 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf0), vcagtq_f16(vx0, vdenorm_cutoff))); vf1 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf1), vcagtq_f16(vx1, vdenorm_cutoff))); vf2 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf2), vcagtq_f16(vx2, vdenorm_cutoff))); vf3 = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf3), vcagtq_f16(vx3, vdenorm_cutoff))); const uint16x8_t vm0 = vcltq_f16(vx0, vmovq_n_f16(0.0f)); const uint16x8_t vm1 = vcltq_f16(vx1, vmovq_n_f16(0.0f)); const uint16x8_t vm2 = vcltq_f16(vx2, vmovq_n_f16(0.0f)); const uint16x8_t vm3 = vcltq_f16(vx3, vmovq_n_f16(0.0f)); vf0 = vbslq_f16(vm0, vf0, vsubq_f16(vone, vf0)); vf1 = vbslq_f16(vm1, vf1, vsubq_f16(vone, vf1)); vf2 = vbslq_f16(vm2, vf2, vsubq_f16(vone, vf2)); vf3 = vbslq_f16(vm3, vf3, vsubq_f16(vone, vf3)); vst1q_f16(o, vf0); o += 8; vst1q_f16(o, vf1); o += 8; vst1q_f16(o, vf2); o += 8; vst1q_f16(o, vf3); o += 8; } for (; batch >= 8 * sizeof(__fp16); batch -= 8 * sizeof(__fp16)) { const float16x8_t vx = vld1q_f16(i); i += 8; const float16x8_t vz = vabsq_f16(vx); float16x8_t vn = vfmaq_f16(vmagic_bias, vz, vminus_log2e); const float16x8_t vs = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn), 10)); vn = vsubq_f16(vn, vmagic_bias); float16x8_t vt = vfmaq_f16(vz, vn, vln2_hi); vt = vfmaq_f16(vt, vn, vln2_lo); const float16x8_t vp = vfmaq_f16(vc1, vc2, vt); vt = vmulq_f16(vt, vs); const float16x8_t ve = vfmaq_f16(vs, vp, vt); const float16x8_t vd = vaddq_f16(ve, vone); float16x8_t vr = vrecpeq_f16(vd); const float16x8_t vadj = vrecpsq_f16(vr, vd); vr = vmulq_f16(vr, vadj); float16x8_t vf = vmulq_f16(ve, vr); vf = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf), vcagtq_f16(vx, vdenorm_cutoff))); const uint16x8_t vm = vcltq_f16(vx, vmovq_n_f16(0.0f)); vf = vbslq_f16(vm, vf, vsubq_f16(vone, vf)); vst1q_f16(o, vf); o += 8; } if XNN_UNLIKELY(batch != 0) { const float16x8_t vx = vld1q_f16(i); const float16x8_t vz = vabsq_f16(vx); float16x8_t vn = vfmaq_f16(vmagic_bias, vz, vminus_log2e); const float16x8_t vs = vreinterpretq_f16_s16(vshlq_n_s16(vreinterpretq_s16_f16(vn), 10)); vn = vsubq_f16(vn, vmagic_bias); float16x8_t vt = vfmaq_f16(vz, vn, vln2_hi); vt = vfmaq_f16(vt, vn, vln2_lo); const float16x8_t vp = vfmaq_f16(vc1, vc2, vt); vt = vmulq_f16(vt, vs); const float16x8_t ve = vfmaq_f16(vs, vp, vt); const float16x8_t vd = vaddq_f16(ve, vone); float16x8_t vr = vrecpeq_f16(vd); const float16x8_t vadj = vrecpsq_f16(vr, vd); vr = vmulq_f16(vr, vadj); float16x8_t vf = vmulq_f16(ve, vr); vf = vreinterpretq_f16_u16(vbicq_u16(vreinterpretq_u16_f16(vf), vcagtq_f16(vx, vdenorm_cutoff))); const uint16x8_t vm = vcltq_f16(vx, vmovq_n_f16(0.0f)); vf = vbslq_f16(vm, vf, vsubq_f16(vone, vf)); float16x4_t vf_lo = vget_low_f16(vf); if (batch & (4 * sizeof(__fp16))) { vst1_f16(o, vf_lo); o += 4; vf_lo = vget_high_f16(vf); } if (batch & (2 * sizeof(__fp16))) { vst1_f16(o, vf_lo); o += 2; vf_lo = vext_f16(vf_lo, vf_lo, 2); } if (batch & (1 * sizeof(__fp16))) { vst1_lane_f16(o, vf_lo, 0); } } }