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113 lines
2.4 KiB
Go
113 lines
2.4 KiB
Go
// Copyright (c) 2024 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build vectors
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// +build vectors
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package document
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import (
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"bytes"
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"encoding/base64"
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"encoding/binary"
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"fmt"
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"math/rand"
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"testing"
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)
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func TestDecodeVector(t *testing.T) {
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vec := make([]float32, 2048)
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for i := range vec {
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vec[i] = rand.Float32()
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}
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vecBytes := bytifyVec(vec)
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encodedVec := base64.StdEncoding.EncodeToString(vecBytes)
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decodedVector, err := DecodeVector(encodedVec)
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if err != nil {
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t.Error(err)
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}
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if len(decodedVector) != len(vec) {
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t.Errorf("Decoded vector dimensions not same as original vector dimensions")
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}
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for i := range vec {
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if vec[i] != decodedVector[i] {
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t.Fatalf("Decoded vector not the same as original vector %v != %v", vec[i], decodedVector[i])
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}
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}
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}
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func BenchmarkDecodeVector128(b *testing.B) {
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vec := make([]float32, 128)
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for i := range vec {
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vec[i] = rand.Float32()
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}
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vecBytes := bytifyVec(vec)
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encodedVec := base64.StdEncoding.EncodeToString(vecBytes)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_, _ = DecodeVector(encodedVec)
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}
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}
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func BenchmarkDecodeVector784(b *testing.B) {
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vec := make([]float32, 784)
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for i := range vec {
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vec[i] = rand.Float32()
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}
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vecBytes := bytifyVec(vec)
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encodedVec := base64.StdEncoding.EncodeToString(vecBytes)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_, _ = DecodeVector(encodedVec)
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}
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}
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func BenchmarkDecodeVector1536(b *testing.B) {
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vec := make([]float32, 1536)
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for i := range vec {
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vec[i] = rand.Float32()
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}
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vecBytes := bytifyVec(vec)
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encodedVec := base64.StdEncoding.EncodeToString(vecBytes)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_, _ = DecodeVector(encodedVec)
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}
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}
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func bytifyVec(vec []float32) []byte {
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buf := new(bytes.Buffer)
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for _, v := range vec {
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err := binary.Write(buf, binary.LittleEndian, v)
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if err != nil {
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fmt.Println(err)
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}
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}
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return buf.Bytes()
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}
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