github.com/weaviate/weaviate@v1.24.6/adapters/repos/db/vector/hnsw/distancer/asm/l2_amd64.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package asm
    13  
    14  //go:generate goat ../c/l2_avx256_amd64.c -O3 -mavx2 -mfma -mavx512f -mavx512dq -e="-mfloat-abi=hard" -e="-Rpass-analysis=loop-vectorize" -e="-Rpass=loop-vectorize" -e="-Rpass-missed=loop-vectorize"
    15  //go:generate goat ../c/l2_avx512_amd64.c -O3 -mavx2 -mfma -mavx512f -mavx512dq -e="-mfloat-abi=hard" -e="-Rpass-analysis=loop-vectorize" -e="-Rpass=loop-vectorize" -e="-Rpass-missed=loop-vectorize"
    16  
    17  import "unsafe"
    18  
    19  func L2AVX256(x []float32, y []float32) float32 {
    20  	var res float32
    21  
    22  	l := len(x)
    23  	l2_256(
    24  		unsafe.Pointer(unsafe.SliceData(x)),
    25  		unsafe.Pointer(unsafe.SliceData(y)),
    26  		unsafe.Pointer(&res),
    27  		unsafe.Pointer(&l))
    28  
    29  	return res
    30  }
    31  
    32  func L2AVX512(x []float32, y []float32) float32 {
    33  	var res float32
    34  
    35  	l := len(x)
    36  	l2_512(
    37  		unsafe.Pointer(unsafe.SliceData(x)),
    38  		unsafe.Pointer(unsafe.SliceData(y)),
    39  		unsafe.Pointer(&res),
    40  		unsafe.Pointer(&l))
    41  
    42  	return res
    43  }