mirror of
https://github.com/qdrant/qdrant.git
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b414a402bb
* # This is a combination of 7 commits. * SameAsStorage default value * fix coderabbit warnings * neon for u8 bq * sse for u8 bq * fix windows build * rename function * add comments * fmt * fix arm build * review remarks
514 lines
15 KiB
C
514 lines
15 KiB
C
#include <stdlib.h>
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#include <stdint.h>
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#include <immintrin.h>
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#include "export_macro.h"
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#ifdef _MSC_VER
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#include <intrin.h>
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#define __builtin_popcount __popcnt
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#endif
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#define HSUM128_PS(X, R) \
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float R = 0.0f; \
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{ \
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__m128 x64 = _mm_add_ps(X, _mm_movehl_ps(X, X)); \
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__m128 x32 = _mm_add_ss(x64, _mm_shuffle_ps(x64, x64, 0x55)); \
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R = _mm_cvtss_f32(x32); \
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}
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#define HSUM128_EPI16(X, R) \
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int R = 0; \
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{ \
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__m128i x64 = _mm_add_epi16(X, _mm_srli_si128(X, 8)); \
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__m128i x32 = _mm_add_epi16(x64, _mm_srli_si128(x64, 4)); \
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R = _mm_extract_epi16(x32, 0) + _mm_extract_epi16(x32, 1); \
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}
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EXPORT float impl_score_dot_sse(
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const uint8_t* query_ptr,
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const uint8_t* vector_ptr,
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uint32_t dim
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) {
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const __m128i* v_ptr = (const __m128i*)vector_ptr;
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const __m128i* q_ptr = (const __m128i*)query_ptr;
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__m128i mul = _mm_setzero_si128();
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for (uint32_t _i = 0; _i < dim / 16; _i++) {
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__m128i v = _mm_loadu_si128(v_ptr);
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__m128i q = _mm_loadu_si128(q_ptr);
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v_ptr++;
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q_ptr++;
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__m128i s = _mm_maddubs_epi16(v, q);
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__m128i s_low = _mm_cvtepi16_epi32(s);
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__m128i s_high = _mm_cvtepi16_epi32(_mm_srli_si128(s, 8));
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mul = _mm_add_epi32(mul, s_low);
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mul = _mm_add_epi32(mul, s_high);
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}
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__m128 mul_ps = _mm_cvtepi32_ps(mul);
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HSUM128_PS(mul_ps, mul_scalar);
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return mul_scalar;
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}
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EXPORT uint32_t impl_xor_popcnt_sse_uint128(
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const uint8_t* query_ptr,
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const uint8_t* vector_ptr,
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uint32_t count
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) {
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int64_t result = 0;
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for (uint32_t _i = 0; _i < count; _i++) {
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const uint64_t* v_ptr_1 = (const uint64_t*)vector_ptr;
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const uint64_t* q_ptr_1 = (const uint64_t*)query_ptr;
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uint64_t x_1 = (*v_ptr_1) ^ (*q_ptr_1);
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result += _mm_popcnt_u64(x_1);
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const uint64_t* v_ptr_2 = v_ptr_1 + 1;
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const uint64_t* q_ptr_2 = q_ptr_1 + 1;
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uint64_t x_2 = (*v_ptr_2) ^ (*q_ptr_2);
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result += _mm_popcnt_u64(x_2);
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vector_ptr += 16;
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query_ptr += 16;
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}
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return (uint32_t)result;
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}
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EXPORT uint32_t impl_xor_popcnt_sse_uint64(
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const uint8_t* query_ptr,
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const uint8_t* vector_ptr,
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uint32_t count
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) {
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int64_t result = 0;
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for (uint32_t _i = 0; _i < count; _i++) {
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const uint64_t* v_ptr = (const uint64_t*)vector_ptr;
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const uint64_t* q_ptr = (const uint64_t*)query_ptr;
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uint64_t x = (*v_ptr) ^ (*q_ptr);
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result += _mm_popcnt_u64(x);
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vector_ptr += 8;
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query_ptr += 8;
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}
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return (uint32_t)result;
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}
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EXPORT uint32_t impl_xor_popcnt_sse_uint32(
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const uint8_t* query_ptr,
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const uint8_t* vector_ptr,
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uint32_t count
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) {
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int result = 0;
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for (uint32_t _i = 0; _i < count; _i++) {
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const uint32_t* v_ptr = (const uint32_t*)vector_ptr;
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const uint32_t* q_ptr = (const uint32_t*)query_ptr;
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uint32_t x = (*v_ptr) ^ (*q_ptr);
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result += _mm_popcnt_u32(x);
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vector_ptr += 4;
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query_ptr += 4;
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}
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return (uint32_t)result;
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}
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EXPORT uint32_t impl_xor_popcnt_scalar8_sse_uint128(
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const uint8_t* query_ptr,
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const uint8_t* vector_ptr,
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uint32_t count
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) {
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const uint64_t* v_ptr = (const uint64_t*)vector_ptr;
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const uint64_t* q_ptr = (const uint64_t*)query_ptr;
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__m128i sum1 = _mm_set1_epi32(0);
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__m128i sum2 = _mm_set1_epi32(0);
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for (uint32_t _i = 0; _i < count; _i++) {
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uint64_t v_1 = *v_ptr;
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uint64_t v_2 = *(v_ptr + 1);
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__m128i popcnt1 = _mm_set_epi32(
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 0)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 2)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 4)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 6))
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);
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sum1 = _mm_add_epi32(sum1, popcnt1);
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__m128i popcnt2 = _mm_set_epi32(
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 8)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 10)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 12)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 14))
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);
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sum2 = _mm_add_epi32(sum2, popcnt2);
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__m128i popcnt3 = _mm_set_epi32(
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 1)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 3)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 5)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 7))
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);
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sum1 = _mm_add_epi32(sum1, popcnt3);
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__m128i popcnt4 = _mm_set_epi32(
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 9)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 11)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 13)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 15))
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);
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sum2 = _mm_add_epi32(sum2, popcnt4);
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v_ptr += 2;
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q_ptr += 16;
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}
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__m128i factor1 = _mm_set_epi32(1, 2, 4, 8);
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__m128i factor2 = _mm_set_epi32(16, 32, 64, 128);
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__m128 result1_mm128 = _mm_cvtepi32_ps(_mm_mullo_epi32(sum1, factor1));
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__m128 result2_mm128 = _mm_cvtepi32_ps(_mm_mullo_epi32(sum2, factor2));
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HSUM128_PS(_mm_add_ps(result1_mm128, result2_mm128), mul_scalar);
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return (uint32_t)mul_scalar;
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}
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EXPORT uint32_t impl_xor_popcnt_scalar4_sse_uint128(
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const uint8_t* query_ptr,
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const uint8_t* vector_ptr,
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uint32_t count
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) {
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const uint64_t* v_ptr = (const uint64_t*)vector_ptr;
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const uint64_t* q_ptr = (const uint64_t*)query_ptr;
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__m128i sum = _mm_set1_epi32(0);
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for (uint32_t _i = 0; _i < count; _i++) {
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uint64_t v_1 = *v_ptr;
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uint64_t v_2 = *(v_ptr + 1);
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__m128i popcnt1 = _mm_set_epi32(
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 0)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 2)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 4)),
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_mm_popcnt_u64(v_1 ^ *(q_ptr + 6))
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);
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sum = _mm_add_epi32(sum, popcnt1);
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__m128i popcnt2 = _mm_set_epi32(
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 1)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 3)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 5)),
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_mm_popcnt_u64(v_2 ^ *(q_ptr + 7))
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);
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sum = _mm_add_epi32(sum, popcnt2);
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v_ptr += 2;
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q_ptr += 8;
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}
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__m128i factor = _mm_set_epi32(1, 2, 4, 8);
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__m128 result_mm128 = _mm_cvtepi32_ps(_mm_mullo_epi32(sum, factor));
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HSUM128_PS(result_mm128, mul_scalar);
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return (uint32_t)mul_scalar;
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}
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EXPORT uint32_t impl_xor_popcnt_scalar8_sse_u8(
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const uint8_t* q_ptr,
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const uint8_t* v_ptr,
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uint32_t count
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) {
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__m128i sum1 = _mm_set1_epi32(0);
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__m128i sum2 = _mm_set1_epi32(0);
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for (uint32_t _i = 0; _i < count / 8; _i++) {
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uint64_t v = *((const uint64_t*)v_ptr);
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uint8_t values1[8] = {
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*(q_ptr + 0),
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*(q_ptr + 8),
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*(q_ptr + 16),
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*(q_ptr + 24),
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*(q_ptr + 32),
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*(q_ptr + 40),
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*(q_ptr + 48),
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*(q_ptr + 56),
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};
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uint8_t values2[8] = {
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*(q_ptr + 1),
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*(q_ptr + 9),
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*(q_ptr + 17),
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*(q_ptr + 25),
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*(q_ptr + 33),
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*(q_ptr + 41),
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*(q_ptr + 49),
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*(q_ptr + 57),
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};
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uint8_t values3[8] = {
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*(q_ptr + 2),
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*(q_ptr + 10),
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*(q_ptr + 18),
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*(q_ptr + 26),
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*(q_ptr + 34),
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*(q_ptr + 42),
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*(q_ptr + 50),
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*(q_ptr + 58),
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};
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uint8_t values4[8] = {
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*(q_ptr + 3),
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*(q_ptr + 11),
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*(q_ptr + 19),
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*(q_ptr + 27),
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*(q_ptr + 35),
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*(q_ptr + 43),
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*(q_ptr + 51),
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*(q_ptr + 59),
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};
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uint8_t values5[8] = {
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*(q_ptr + 4),
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*(q_ptr + 12),
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*(q_ptr + 20),
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*(q_ptr + 28),
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*(q_ptr + 36),
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*(q_ptr + 44),
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*(q_ptr + 52),
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*(q_ptr + 60),
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};
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uint8_t values6[8] = {
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*(q_ptr + 5),
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*(q_ptr + 13),
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*(q_ptr + 21),
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*(q_ptr + 29),
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*(q_ptr + 37),
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*(q_ptr + 45),
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*(q_ptr + 53),
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*(q_ptr + 61),
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};
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uint8_t values7[8] = {
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*(q_ptr + 6),
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*(q_ptr + 14),
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*(q_ptr + 22),
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*(q_ptr + 30),
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*(q_ptr + 38),
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*(q_ptr + 46),
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*(q_ptr + 54),
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*(q_ptr + 62),
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};
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uint8_t values8[8] = {
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*(q_ptr + 7),
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*(q_ptr + 15),
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*(q_ptr + 23),
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*(q_ptr + 31),
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*(q_ptr + 39),
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*(q_ptr + 47),
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*(q_ptr + 55),
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*(q_ptr + 63),
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};
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uint64_t values1_u64 = *((const uint64_t*)values1);
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uint64_t values2_u64 = *((const uint64_t*)values2);
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uint64_t values3_u64 = *((const uint64_t*)values3);
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uint64_t values4_u64 = *((const uint64_t*)values4);
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uint64_t values5_u64 = *((const uint64_t*)values5);
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uint64_t values6_u64 = *((const uint64_t*)values6);
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uint64_t values7_u64 = *((const uint64_t*)values7);
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uint64_t values8_u64 = *((const uint64_t*)values8);
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__m128i popcnt1 = _mm_set_epi32(
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_mm_popcnt_u64(v ^ values1_u64),
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_mm_popcnt_u64(v ^ values2_u64),
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_mm_popcnt_u64(v ^ values3_u64),
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_mm_popcnt_u64(v ^ values4_u64)
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);
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sum1 = _mm_add_epi32(sum1, popcnt1);
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__m128i popcnt2 = _mm_set_epi32(
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_mm_popcnt_u64(v ^ values5_u64),
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_mm_popcnt_u64(v ^ values6_u64),
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_mm_popcnt_u64(v ^ values7_u64),
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_mm_popcnt_u64(v ^ values8_u64)
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);
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sum2 = _mm_add_epi32(sum2, popcnt2);
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v_ptr += 8;
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q_ptr += 64;
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}
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uint32_t dr1 = 0;
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uint32_t dr2 = 0;
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uint32_t dr3 = 0;
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uint32_t dr4 = 0;
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uint32_t dr5 = 0;
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uint32_t dr6 = 0;
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uint32_t dr7 = 0;
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uint32_t dr8 = 0;
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for (uint32_t _i = count % 8; _i > 0; _i--) {
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uint8_t v = *(v_ptr++);
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uint8_t q1 = *(q_ptr++);
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uint8_t q2 = *(q_ptr++);
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uint8_t q3 = *(q_ptr++);
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uint8_t q4 = *(q_ptr++);
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uint8_t q5 = *(q_ptr++);
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uint8_t q6 = *(q_ptr++);
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uint8_t q7 = *(q_ptr++);
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uint8_t q8 = *(q_ptr++);
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uint8_t x1 = v ^ q1;
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uint8_t x2 = v ^ q2;
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uint8_t x3 = v ^ q3;
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uint8_t x4 = v ^ q4;
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uint8_t x5 = v ^ q5;
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uint8_t x6 = v ^ q6;
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uint8_t x7 = v ^ q7;
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uint8_t x8 = v ^ q8;
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dr1 += __builtin_popcount(x1);
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dr2 += __builtin_popcount(x2);
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dr3 += __builtin_popcount(x3);
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dr4 += __builtin_popcount(x4);
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dr5 += __builtin_popcount(x5);
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dr6 += __builtin_popcount(x6);
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dr7 += __builtin_popcount(x7);
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dr8 += __builtin_popcount(x8);
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}
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__m128i factor1 = _mm_set_epi32(1, 2, 4, 8);
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__m128i factor2 = _mm_set_epi32(16, 32, 64, 128);
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__m128 result_mm128 = _mm_cvtepi32_ps(
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_mm_add_epi32(
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_mm_mullo_epi32(sum1, factor1),
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_mm_mullo_epi32(sum2, factor2)
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)
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);
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HSUM128_PS(result_mm128, mul_scalar);
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return (uint32_t)mul_scalar + dr1 + (dr2 << 1) + (dr3 << 2) + (dr4 << 3) + (dr5 << 4) + (dr6 << 5) + (dr7 << 6) + (dr8 << 7);
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}
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EXPORT uint32_t impl_xor_popcnt_scalar4_sse_u8(
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const uint8_t* q_ptr,
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const uint8_t* v_ptr,
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uint32_t count
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) {
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__m128i sum = _mm_set1_epi32(0);
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for (uint32_t _i = 0; _i < count / 8; _i++) {
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uint64_t v = *((const uint64_t*)v_ptr);
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uint8_t values1[8] = {
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*(q_ptr + 0),
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*(q_ptr + 4),
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*(q_ptr + 8),
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*(q_ptr + 12),
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*(q_ptr + 16),
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*(q_ptr + 20),
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*(q_ptr + 24),
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*(q_ptr + 28),
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};
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uint8_t values2[8] = {
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*(q_ptr + 1),
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*(q_ptr + 5),
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*(q_ptr + 9),
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*(q_ptr + 13),
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*(q_ptr + 17),
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*(q_ptr + 21),
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*(q_ptr + 25),
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*(q_ptr + 29),
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};
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uint8_t values3[8] = {
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*(q_ptr + 2),
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*(q_ptr + 6),
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*(q_ptr + 10),
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*(q_ptr + 14),
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*(q_ptr + 18),
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*(q_ptr + 22),
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*(q_ptr + 26),
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*(q_ptr + 30),
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};
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uint8_t values4[8] = {
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*(q_ptr + 3),
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*(q_ptr + 7),
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*(q_ptr + 11),
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*(q_ptr + 15),
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*(q_ptr + 19),
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*(q_ptr + 23),
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*(q_ptr + 27),
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*(q_ptr + 31),
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};
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uint64_t values1_u64 = *((const uint64_t*)values1);
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uint64_t values2_u64 = *((const uint64_t*)values2);
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uint64_t values3_u64 = *((const uint64_t*)values3);
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uint64_t values4_u64 = *((const uint64_t*)values4);
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__m128i popcnt = _mm_set_epi32(
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_mm_popcnt_u64(v ^ values1_u64),
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_mm_popcnt_u64(v ^ values2_u64),
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_mm_popcnt_u64(v ^ values3_u64),
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_mm_popcnt_u64(v ^ values4_u64)
|
|
);
|
|
sum = _mm_add_epi32(sum, popcnt);
|
|
|
|
v_ptr += 8;
|
|
q_ptr += 32;
|
|
}
|
|
|
|
uint32_t dr1 = 0;
|
|
uint32_t dr2 = 0;
|
|
uint32_t dr3 = 0;
|
|
uint32_t dr4 = 0;
|
|
for (uint32_t _i = count % 8; _i > 0; _i--) {
|
|
uint8_t v = *(v_ptr++);
|
|
uint8_t q1 = *(q_ptr++);
|
|
uint8_t q2 = *(q_ptr++);
|
|
uint8_t q3 = *(q_ptr++);
|
|
uint8_t q4 = *(q_ptr++);
|
|
|
|
uint8_t x1 = v ^ q1;
|
|
uint8_t x2 = v ^ q2;
|
|
uint8_t x3 = v ^ q3;
|
|
uint8_t x4 = v ^ q4;
|
|
dr1 += __builtin_popcount(x1);
|
|
dr2 += __builtin_popcount(x2);
|
|
dr3 += __builtin_popcount(x3);
|
|
dr4 += __builtin_popcount(x4);
|
|
}
|
|
|
|
__m128i factor = _mm_set_epi32(1, 2, 4, 8);
|
|
__m128 result_mm128 = _mm_cvtepi32_ps(_mm_mullo_epi32(sum, factor));
|
|
HSUM128_PS(result_mm128, mul_scalar);
|
|
return (uint32_t)mul_scalar + dr1 + (dr2 << 1) + (dr3 << 2) + (dr4 << 3);
|
|
}
|
|
|
|
EXPORT float impl_score_l1_sse(
|
|
const uint8_t* query_ptr,
|
|
const uint8_t* vector_ptr,
|
|
uint32_t dim
|
|
) {
|
|
const __m128i* v_ptr = (const __m128i*)vector_ptr;
|
|
const __m128i* q_ptr = (const __m128i*)query_ptr;
|
|
|
|
uint32_t m = dim - (dim % 16);
|
|
__m128i sum128 = _mm_setzero_si128();
|
|
|
|
// the vector sizes are assumed to be multiples of 16, no remaining part here
|
|
for (uint32_t i = 0; i < m; i += 16) {
|
|
__m128i vec2 = _mm_loadu_si128(v_ptr);
|
|
__m128i vec1 = _mm_loadu_si128(q_ptr);
|
|
v_ptr++;
|
|
q_ptr++;
|
|
|
|
// Compute the difference in both directions
|
|
__m128i diff1 = _mm_subs_epu8(vec1, vec2);
|
|
__m128i diff2 = _mm_subs_epu8(vec2, vec1);
|
|
|
|
// Take the maximum
|
|
__m128i abs_diff = _mm_max_epu8(diff1, diff2);
|
|
|
|
__m128i abs_diff16_low = _mm_unpacklo_epi8(abs_diff, _mm_setzero_si128());
|
|
__m128i abs_diff16_high = _mm_unpackhi_epi8(abs_diff, _mm_setzero_si128());
|
|
|
|
sum128 = _mm_add_epi16(sum128, abs_diff16_low);
|
|
sum128 = _mm_add_epi16(sum128, abs_diff16_high);
|
|
}
|
|
|
|
// Convert 16-bit sums to 32-bit and sum them up
|
|
__m128i sum_epi32 = _mm_add_epi32(
|
|
_mm_unpacklo_epi16(sum128, _mm_setzero_si128()),
|
|
_mm_unpackhi_epi16(sum128, _mm_setzero_si128()));
|
|
|
|
// Horizontal sum using the macro
|
|
HSUM128_EPI16(sum_epi32, sum);
|
|
|
|
return (float) sum;
|
|
}
|