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#include <assert.h> |
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#include <emmintrin.h> |
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#include <xnnpack/common.h> |
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#include <xnnpack/unaligned.h> |
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#include <xnnpack/vcvt.h> |
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void xnn_f32_f16_vcvt_ukernel__sse2_x24( |
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size_t batch, |
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const float* input, |
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void* output, |
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const union xnn_f32_f16_cvt_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
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{ |
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assert(batch != 0); |
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assert(batch % sizeof(float) == 0); |
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assert(input != NULL); |
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assert(output != NULL); |
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const __m128 vnonsign_mask = _mm_load_ps((const float*) params->sse2.nonsign_mask); |
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const __m128i vexp_bias = _mm_load_si128((const __m128i*) params->sse2.exp_bias); |
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const __m128 vscale_to_inf = _mm_load_ps(params->sse2.scale_to_inf); |
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const __m128i vexpw_max = _mm_load_si128((const __m128i*) params->sse2.expw_max); |
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const __m128 vscale_to_zero = _mm_load_ps(params->sse2.scale_to_zero); |
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const __m128i vbias_min = _mm_load_si128((const __m128i*) params->sse2.bias_min); |
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const __m128i vmanth_mask = _mm_load_si128((const __m128i*) params->sse2.manth_mask); |
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const __m128i vexph_mask = _mm_load_si128((const __m128i*) params->sse2.exph_mask); |
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const __m128i vnanh = _mm_load_si128((const __m128i*) params->sse2.nanh); |
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uint16_t* o = (uint16_t*) output; |
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for (; batch >= 24 * sizeof(float); batch -= 24 * sizeof(float)) { |
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const __m128 vx0 = _mm_loadu_ps(input); |
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const __m128 vx1 = _mm_loadu_ps(input + 4); |
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const __m128 vx2 = _mm_loadu_ps(input + 8); |
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const __m128 vx3 = _mm_loadu_ps(input + 12); |
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const __m128 vx4 = _mm_loadu_ps(input + 16); |
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const __m128 vx5 = _mm_loadu_ps(input + 20); |
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input += 24; |
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const __m128 vabsx0 = _mm_and_ps(vx0, vnonsign_mask); |
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const __m128 vabsx1 = _mm_and_ps(vx1, vnonsign_mask); |
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const __m128 vabsx2 = _mm_and_ps(vx2, vnonsign_mask); |
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const __m128 vabsx3 = _mm_and_ps(vx3, vnonsign_mask); |
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const __m128 vabsx4 = _mm_and_ps(vx4, vnonsign_mask); |
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const __m128 vabsx5 = _mm_and_ps(vx5, vnonsign_mask); |
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const __m128 vsignx0 = _mm_xor_ps(vx0, vabsx0); |
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const __m128 vsignx1 = _mm_xor_ps(vx1, vabsx1); |
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const __m128 vsignx2 = _mm_xor_ps(vx2, vabsx2); |
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const __m128 vsignx3 = _mm_xor_ps(vx3, vabsx3); |
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const __m128 vsignx4 = _mm_xor_ps(vx4, vabsx4); |
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const __m128 vsignx5 = _mm_xor_ps(vx5, vabsx5); |
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__m128i vbias0 = _mm_add_epi32(_mm_castps_si128(vabsx0), vexp_bias); |
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__m128i vbias1 = _mm_add_epi32(_mm_castps_si128(vabsx1), vexp_bias); |
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__m128i vbias2 = _mm_add_epi32(_mm_castps_si128(vabsx2), vexp_bias); |
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__m128i vbias3 = _mm_add_epi32(_mm_castps_si128(vabsx3), vexp_bias); |
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__m128i vbias4 = _mm_add_epi32(_mm_castps_si128(vabsx4), vexp_bias); |
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__m128i vbias5 = _mm_add_epi32(_mm_castps_si128(vabsx5), vexp_bias); |
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__m128 vf0 = _mm_mul_ps(vabsx0, vscale_to_inf); |
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__m128 vf1 = _mm_mul_ps(vabsx1, vscale_to_inf); |
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__m128 vf2 = _mm_mul_ps(vabsx2, vscale_to_inf); |
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__m128 vf3 = _mm_mul_ps(vabsx3, vscale_to_inf); |
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__m128 vf4 = _mm_mul_ps(vabsx4, vscale_to_inf); |
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__m128 vf5 = _mm_mul_ps(vabsx5, vscale_to_inf); |
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const __m128i vnanmaskw0 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx0), vexpw_max); |
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const __m128i vnanmaskw1 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx1), vexpw_max); |
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const __m128i vnanmaskw2 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx2), vexpw_max); |
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const __m128i vnanmaskw3 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx3), vexpw_max); |
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const __m128i vnanmaskw4 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx4), vexpw_max); |
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const __m128i vnanmaskw5 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx5), vexpw_max); |
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vbias0 = _mm_and_si128(vbias0, vexpw_max); |
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vbias1 = _mm_and_si128(vbias1, vexpw_max); |
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vbias2 = _mm_and_si128(vbias2, vexpw_max); |
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vbias3 = _mm_and_si128(vbias3, vexpw_max); |
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vbias4 = _mm_and_si128(vbias4, vexpw_max); |
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vbias5 = _mm_and_si128(vbias5, vexpw_max); |
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vf0 = _mm_mul_ps(vf0, vscale_to_zero); |
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vf1 = _mm_mul_ps(vf1, vscale_to_zero); |
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vf2 = _mm_mul_ps(vf2, vscale_to_zero); |
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vf3 = _mm_mul_ps(vf3, vscale_to_zero); |
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vf4 = _mm_mul_ps(vf4, vscale_to_zero); |
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vf5 = _mm_mul_ps(vf5, vscale_to_zero); |
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const __m128i vnanmaskh0 = _mm_packs_epi32(vnanmaskw0, vnanmaskw1); |
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const __m128i vnanmaskh1 = _mm_packs_epi32(vnanmaskw2, vnanmaskw3); |
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const __m128i vnanmaskh2 = _mm_packs_epi32(vnanmaskw4, vnanmaskw5); |
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const __m128i vsignh0 = _mm_packs_epi32(_mm_castps_si128(vsignx0), _mm_castps_si128(vsignx1)); |
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const __m128i vsignh1 = _mm_packs_epi32(_mm_castps_si128(vsignx2), _mm_castps_si128(vsignx3)); |
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const __m128i vsignh2 = _mm_packs_epi32(_mm_castps_si128(vsignx4), _mm_castps_si128(vsignx5)); |
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vbias0 = _mm_max_epi16(vbias0, vbias_min); |
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vbias1 = _mm_max_epi16(vbias1, vbias_min); |
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vbias2 = _mm_max_epi16(vbias2, vbias_min); |
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vbias3 = _mm_max_epi16(vbias3, vbias_min); |
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vbias4 = _mm_max_epi16(vbias4, vbias_min); |
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vbias5 = _mm_max_epi16(vbias5, vbias_min); |
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__m128i vh0 = _mm_and_si128(vnanh, vnanmaskh0); |
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__m128i vh1 = _mm_and_si128(vnanh, vnanmaskh1); |
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__m128i vh2 = _mm_and_si128(vnanh, vnanmaskh2); |
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vf0 = _mm_add_ps(vf0, _mm_castsi128_ps(vbias0)); |
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vf1 = _mm_add_ps(vf1, _mm_castsi128_ps(vbias1)); |
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vf2 = _mm_add_ps(vf2, _mm_castsi128_ps(vbias2)); |
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vf3 = _mm_add_ps(vf3, _mm_castsi128_ps(vbias3)); |
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vf4 = _mm_add_ps(vf4, _mm_castsi128_ps(vbias4)); |
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vf5 = _mm_add_ps(vf5, _mm_castsi128_ps(vbias5)); |
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vh0 = _mm_or_si128(vh0, vsignh0); |
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vh1 = _mm_or_si128(vh1, vsignh1); |
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vh2 = _mm_or_si128(vh2, vsignh2); |
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__m128i vexpw0 = _mm_srli_epi32(_mm_castps_si128(vf0), 13); |
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__m128i vexpw1 = _mm_srli_epi32(_mm_castps_si128(vf1), 13); |
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__m128i vexpw2 = _mm_srli_epi32(_mm_castps_si128(vf2), 13); |
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__m128i vexpw3 = _mm_srli_epi32(_mm_castps_si128(vf3), 13); |
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__m128i vexpw4 = _mm_srli_epi32(_mm_castps_si128(vf4), 13); |
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__m128i vexpw5 = _mm_srli_epi32(_mm_castps_si128(vf5), 13); |
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const __m128i vmantw0 = _mm_and_si128(_mm_castps_si128(vf0), vmanth_mask); |
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const __m128i vmantw1 = _mm_and_si128(_mm_castps_si128(vf1), vmanth_mask); |
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const __m128i vmantw2 = _mm_and_si128(_mm_castps_si128(vf2), vmanth_mask); |
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const __m128i vmantw3 = _mm_and_si128(_mm_castps_si128(vf3), vmanth_mask); |
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const __m128i vmantw4 = _mm_and_si128(_mm_castps_si128(vf4), vmanth_mask); |
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const __m128i vmantw5 = _mm_and_si128(_mm_castps_si128(vf5), vmanth_mask); |
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vexpw0 = _mm_and_si128(vexpw0, vexph_mask); |
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vexpw1 = _mm_and_si128(vexpw1, vexph_mask); |
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vexpw2 = _mm_and_si128(vexpw2, vexph_mask); |
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vexpw3 = _mm_and_si128(vexpw3, vexph_mask); |
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vexpw4 = _mm_and_si128(vexpw4, vexph_mask); |
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vexpw5 = _mm_and_si128(vexpw5, vexph_mask); |
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const __m128i vnonsignw0 = _mm_add_epi32(vmantw0, vexpw0); |
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const __m128i vnonsignw1 = _mm_add_epi32(vmantw1, vexpw1); |
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const __m128i vnonsignw2 = _mm_add_epi32(vmantw2, vexpw2); |
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const __m128i vnonsignw3 = _mm_add_epi32(vmantw3, vexpw3); |
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const __m128i vnonsignw4 = _mm_add_epi32(vmantw4, vexpw4); |
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const __m128i vnonsignw5 = _mm_add_epi32(vmantw5, vexpw5); |
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const __m128i vnonsignh0 = _mm_packs_epi32(vnonsignw0, vnonsignw1); |
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const __m128i vnonsignh1 = _mm_packs_epi32(vnonsignw2, vnonsignw3); |
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const __m128i vnonsignh2 = _mm_packs_epi32(vnonsignw4, vnonsignw5); |
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vh0 = _mm_or_si128(vh0, _mm_andnot_si128(vnanmaskh0, vnonsignh0)); |
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vh1 = _mm_or_si128(vh1, _mm_andnot_si128(vnanmaskh1, vnonsignh1)); |
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vh2 = _mm_or_si128(vh2, _mm_andnot_si128(vnanmaskh2, vnonsignh2)); |
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_mm_storeu_si128((__m128i*) o, vh0); |
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_mm_storeu_si128((__m128i*) (o + 8), vh1); |
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_mm_storeu_si128((__m128i*) (o + 16), vh2); |
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o += 24; |
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} |
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for (; batch >= 8 * sizeof(float); batch -= 8 * sizeof(float)) { |
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const __m128 vx_lo = _mm_loadu_ps(input); |
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const __m128 vx_hi = _mm_loadu_ps(input + 4); |
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input += 8; |
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const __m128 vabsx_lo = _mm_and_ps(vx_lo, vnonsign_mask); |
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const __m128 vabsx_hi = _mm_and_ps(vx_hi, vnonsign_mask); |
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const __m128 vsignx_lo = _mm_xor_ps(vx_lo, vabsx_lo); |
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const __m128 vsignx_hi = _mm_xor_ps(vx_hi, vabsx_hi); |
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__m128i vbias_lo = _mm_add_epi32(_mm_castps_si128(vabsx_lo), vexp_bias); |
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__m128i vbias_hi = _mm_add_epi32(_mm_castps_si128(vabsx_hi), vexp_bias); |
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__m128 vf_lo = _mm_mul_ps(vabsx_lo, vscale_to_inf); |
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__m128 vf_hi = _mm_mul_ps(vabsx_hi, vscale_to_inf); |
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const __m128i vnanmaskw_lo = _mm_cmpgt_epi32(_mm_castps_si128(vabsx_lo), vexpw_max); |
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const __m128i vnanmaskw_hi = _mm_cmpgt_epi32(_mm_castps_si128(vabsx_hi), vexpw_max); |
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vbias_lo = _mm_and_si128(vbias_lo, vexpw_max); |
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vbias_hi = _mm_and_si128(vbias_hi, vexpw_max); |
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vf_lo = _mm_mul_ps(vf_lo, vscale_to_zero); |
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vf_hi = _mm_mul_ps(vf_hi, vscale_to_zero); |
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const __m128i vnanmaskh = _mm_packs_epi32(vnanmaskw_lo, vnanmaskw_hi); |
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const __m128i vsignh = _mm_packs_epi32(_mm_castps_si128(vsignx_lo), _mm_castps_si128(vsignx_hi)); |
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vbias_lo = _mm_max_epi16(vbias_lo, vbias_min); |
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vbias_hi = _mm_max_epi16(vbias_hi, vbias_min); |
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__m128i vh = _mm_and_si128(vnanh, vnanmaskh); |
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vf_lo = _mm_add_ps(vf_lo, _mm_castsi128_ps(vbias_lo)); |
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vf_hi = _mm_add_ps(vf_hi, _mm_castsi128_ps(vbias_hi)); |
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vh = _mm_or_si128(vh, vsignh); |
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__m128i vexpw_lo = _mm_srli_epi32(_mm_castps_si128(vf_lo), 13); |
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__m128i vexpw_hi = _mm_srli_epi32(_mm_castps_si128(vf_hi), 13); |
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const __m128i vmantw_lo = _mm_and_si128(_mm_castps_si128(vf_lo), vmanth_mask); |
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const __m128i vmantw_hi = _mm_and_si128(_mm_castps_si128(vf_hi), vmanth_mask); |
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vexpw_lo = _mm_and_si128(vexpw_lo, vexph_mask); |
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vexpw_hi = _mm_and_si128(vexpw_hi, vexph_mask); |
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const __m128i vnonsignw_lo = _mm_add_epi32(vmantw_lo, vexpw_lo); |
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const __m128i vnonsignw_hi = _mm_add_epi32(vmantw_hi, vexpw_hi); |
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const __m128i vnonsignh = _mm_packs_epi32(vnonsignw_lo, vnonsignw_hi); |
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vh = _mm_or_si128(vh, _mm_andnot_si128(vnanmaskh, vnonsignh)); |
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_mm_storeu_si128((__m128i*) o, vh); |
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o += 8; |
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} |
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if XNN_UNPREDICTABLE(batch != 0) { |
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const __m128 vx_lo = _mm_loadu_ps(input); |
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const float* input_hi = (const float*) ((uintptr_t) input + (batch & (4 * sizeof(float)))); |
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const __m128 vx_hi = _mm_loadu_ps(input_hi); |
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const __m128 vabsx_lo = _mm_and_ps(vx_lo, vnonsign_mask); |
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const __m128 vabsx_hi = _mm_and_ps(vx_hi, vnonsign_mask); |
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const __m128 vsignx_lo = _mm_xor_ps(vx_lo, vabsx_lo); |
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const __m128 vsignx_hi = _mm_xor_ps(vx_hi, vabsx_hi); |
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__m128i vbias_lo = _mm_add_epi32(_mm_castps_si128(vabsx_lo), vexp_bias); |
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__m128i vbias_hi = _mm_add_epi32(_mm_castps_si128(vabsx_hi), vexp_bias); |
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__m128 vf_lo = _mm_mul_ps(vabsx_lo, vscale_to_inf); |
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__m128 vf_hi = _mm_mul_ps(vabsx_hi, vscale_to_inf); |
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const __m128i vnanmaskw_lo = _mm_cmpgt_epi32(_mm_castps_si128(vabsx_lo), vexpw_max); |
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const __m128i vnanmaskw_hi = _mm_cmpgt_epi32(_mm_castps_si128(vabsx_hi), vexpw_max); |
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vbias_lo = _mm_and_si128(vbias_lo, vexpw_max); |
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vbias_hi = _mm_and_si128(vbias_hi, vexpw_max); |
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vf_lo = _mm_mul_ps(vf_lo, vscale_to_zero); |
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vf_hi = _mm_mul_ps(vf_hi, vscale_to_zero); |
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const __m128i vnanmaskh = _mm_packs_epi32(vnanmaskw_lo, vnanmaskw_hi); |
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const __m128i vsignh = _mm_packs_epi32(_mm_castps_si128(vsignx_lo), _mm_castps_si128(vsignx_hi)); |
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vbias_lo = _mm_max_epi16(vbias_lo, vbias_min); |
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vbias_hi = _mm_max_epi16(vbias_hi, vbias_min); |
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__m128i vh = _mm_and_si128(vnanh, vnanmaskh); |
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vf_lo = _mm_add_ps(vf_lo, _mm_castsi128_ps(vbias_lo)); |
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vf_hi = _mm_add_ps(vf_hi, _mm_castsi128_ps(vbias_hi)); |
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vh = _mm_or_si128(vh, vsignh); |
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__m128i vexpw_lo = _mm_srli_epi32(_mm_castps_si128(vf_lo), 13); |
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__m128i vexpw_hi = _mm_srli_epi32(_mm_castps_si128(vf_hi), 13); |
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const __m128i vmantw_lo = _mm_and_si128(_mm_castps_si128(vf_lo), vmanth_mask); |
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const __m128i vmantw_hi = _mm_and_si128(_mm_castps_si128(vf_hi), vmanth_mask); |
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vexpw_lo = _mm_and_si128(vexpw_lo, vexph_mask); |
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vexpw_hi = _mm_and_si128(vexpw_hi, vexph_mask); |
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const __m128i vnonsignw_lo = _mm_add_epi32(vmantw_lo, vexpw_lo); |
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const __m128i vnonsignw_hi = _mm_add_epi32(vmantw_hi, vexpw_hi); |
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const __m128i vnonsignh = _mm_packs_epi32(vnonsignw_lo, vnonsignw_hi); |
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vh = _mm_or_si128(vh, _mm_andnot_si128(vnanmaskh, vnonsignh)); |
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if (batch & (4 * sizeof(float))) { |
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_mm_storel_epi64((__m128i*) o, vh); |
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vh = _mm_unpackhi_epi64(vh, vh); |
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o += 4; |
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} |
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if (batch & (2 * sizeof(float))) { |
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unaligned_store_u32(o, (uint32_t) _mm_cvtsi128_si32(vh)); |
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vh = _mm_srli_epi64(vh, 32); |
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o += 2; |
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} |
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if (batch & (1 * sizeof(float))) { |
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*o = (uint16_t) _mm_cvtsi128_si32(vh); |
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} |
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} |
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} |
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