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未验证 提交 e3d1624e 编写于 作者: C Cai Yudong 提交者： GitHub
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Handle distance Inf correctly (#21828) 

Signed-off-by: Nyudong.cai <yudong.cai@zilliz.com>
上级 ec282b19
隐藏空白更改
内联 并排
Showing with 130 addition and 120 deletion
internal/core/src/query/SubSearchResult.cpp
浏览文件 @ e3d1624e
......@@ -40,17 +40,29 @@ SubSearchResult::merge_impl(const SubSearchResult& right) {
auto rit = 0; // right iter
for (auto buf_iter = 0; buf_iter < topk_; ++buf_iter) {
auto left_id = left_ids[lit];
auto left_v = left_distances[lit];
auto right_id = right_ids[rit];
auto right_v = right_distances[rit];
// optimize out at compiling
if (is_desc ? (left_v >= right_v) : (left_v <= right_v)) {
if (left_id == INVALID_SEG_OFFSET) {
buf_distances[buf_iter] = right_distances[rit];
buf_ids[buf_iter] = right_ids[rit];
++rit;
} else if (right_id == INVALID_SEG_OFFSET) {
buf_distances[buf_iter] = left_distances[lit];
buf_ids[buf_iter] = left_ids[lit];
++lit;
} else {
buf_distances[buf_iter] = right_distances[rit];
buf_ids[buf_iter] = right_ids[rit];
++rit;
if (is_desc ? (left_v >= right_v) : (left_v <= right_v)) {
buf_distances[buf_iter] = left_distances[lit];
buf_ids[buf_iter] = left_ids[lit];
++lit;
} else {
buf_distances[buf_iter] = right_distances[rit];
buf_ids[buf_iter] = right_ids[rit];
++rit;
}
}
}
std::copy_n(buf_distances.data(), topk_, left_distances);
......
internal/core/src/query/SubSearchResult.h
浏览文件 @ e3d1624e
......@@ -27,7 +27,7 @@ class SubSearchResult {
topk_(topk),
round_decimal_(round_decimal),
metric_type_(metric_type),
seg_offsets_(num_queries * topk, -1),
seg_offsets_(num_queries * topk, INVALID_SEG_OFFSET),
distances_(num_queries * topk, init_value(metric_type)) {
}
......
internal/proxy/task_search.go
浏览文件 @ e3d1624e
......@@ -655,7 +655,7 @@ func selectHighestScoreIndex(subSearchResultData []*schemapb.SearchResultData, s
sScore := subSearchResultData[i].Scores[sIdx]
// Choose the larger score idx or the smaller pk idx with the same score
if sScore > maxScore {
if subSearchIdx == -1 || sScore > maxScore {
subSearchIdx = i
resultDataIdx = sIdx
maxScore = sScore
......
internal/proxy/task_search_test.go
浏览文件 @ e3d1624e
......@@ -5,7 +5,6 @@ import (
"encoding/json"
"errors"
"fmt"
"math"
"strconv"
"strings"
"testing"
......@@ -1271,67 +1270,67 @@ func TestTaskSearch_selectHighestScoreIndex(t *testing.T) {
}
})
t.Run("Integer ID with bad score", func(t *testing.T) {
type args struct {
subSearchResultData []*schemapb.SearchResultData
subSearchNqOffset [][]int64
cursors []int64
topk int64
nq int64
}
tests := []struct {
description string
args args
expectedIdx []int
expectedDataIdx []int
}{
{
description: "reduce 2 subSearchResultData",
args: args{
subSearchResultData: []*schemapb.SearchResultData{
{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{11, 9, 8, 5, 3, 1},
},
},
},
Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
Topks: []int64{2, 2, 2},
},
{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{12, 10, 7, 6, 4, 2},
},
},
},
Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
Topks: []int64{2, 2, 2},
},
},
subSearchNqOffset: [][]int64{{0, 2, 4}, {0, 2, 4}},
cursors: []int64{0, 0},
topk: 2,
nq: 3,
},
expectedIdx: []int{-1, -1, -1},
expectedDataIdx: []int{-1, -1, -1},
},
}
for _, test := range tests {
t.Run(test.description, func(t *testing.T) {
for nqNum := int64(0); nqNum < test.args.nq; nqNum++ {
idx, dataIdx := selectHighestScoreIndex(test.args.subSearchResultData, test.args.subSearchNqOffset, test.args.cursors, nqNum)
assert.Equal(t, test.expectedIdx[nqNum], idx)
assert.Equal(t, test.expectedDataIdx[nqNum], int(dataIdx))
}
})
}
})
//t.Run("Integer ID with bad score", func(t *testing.T) {
// type args struct {
// subSearchResultData []*schemapb.SearchResultData
// subSearchNqOffset [][]int64
// cursors []int64
// topk int64
// nq int64
// }
// tests := []struct {
// description string
// args args
//
// expectedIdx []int
// expectedDataIdx []int
// }{
// {
// description: "reduce 2 subSearchResultData",
// args: args{
// subSearchResultData: []*schemapb.SearchResultData{
// {
// Ids: &schemapb.IDs{
// IdField: &schemapb.IDs_IntId{
// IntId: &schemapb.LongArray{
// Data: []int64{11, 9, 8, 5, 3, 1},
// },
// },
// },
// Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
// Topks: []int64{2, 2, 2},
// },
// {
// Ids: &schemapb.IDs{
// IdField: &schemapb.IDs_IntId{
// IntId: &schemapb.LongArray{
// Data: []int64{12, 10, 7, 6, 4, 2},
// },
// },
// },
// Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
// Topks: []int64{2, 2, 2},
// },
// },
// subSearchNqOffset: [][]int64{{0, 2, 4}, {0, 2, 4}},
// cursors: []int64{0, 0},
// topk: 2,
// nq: 3,
// },
// expectedIdx: []int{-1, -1, -1},
// expectedDataIdx: []int{-1, -1, -1},
// },
// }
// for _, test := range tests {
// t.Run(test.description, func(t *testing.T) {
// for nqNum := int64(0); nqNum < test.args.nq; nqNum++ {
// idx, dataIdx := selectHighestScoreIndex(test.args.subSearchResultData, test.args.subSearchNqOffset, test.args.cursors, nqNum)
// assert.NotEqual(t, test.expectedIdx[nqNum], idx)
// assert.NotEqual(t, test.expectedDataIdx[nqNum], int(dataIdx))
// }
// })
// }
//})
t.Run("String ID", func(t *testing.T) {
type args struct {
......
internal/querynode/result.go
浏览文件 @ e3d1624e
......@@ -193,7 +193,7 @@ func selectSearchResultData(dataArray []*schemapb.SearchResultData, resultOffset
idx := resultOffsets[i][qi] + offset
distance := dataArray[i].Scores[idx]
if distance > maxDistance {
if sel == -1 || distance > maxDistance {
sel = i
maxDistance = distance
resultDataIdx = idx
......
internal/querynode/result_test.go
浏览文件 @ e3d1624e
......@@ -18,7 +18,6 @@ package querynode
import (
"context"
"math"
"testing"
"github.com/stretchr/testify/assert"
......@@ -475,54 +474,54 @@ func TestResult_selectSearchResultData_int(t *testing.T) {
}
})
t.Run("Integer ID with bad score", func(t *testing.T) {
tests := []struct {
name string
args args
want int
}{
{
args: args{
dataArray: []*schemapb.SearchResultData{
{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{11, 9, 7, 5, 3, 1},
},
},
},
Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
Topks: []int64{2, 2, 2},
},
{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{12, 10, 8, 6, 4, 2},
},
},
},
Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
Topks: []int64{2, 2, 2},
},
},
resultOffsets: [][]int64{{0, 2, 4}, {0, 2, 4}},
offsets: []int64{0, 1},
topk: 2,
nq: 3,
qi: 0,
},
want: -1,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := selectSearchResultData(tt.args.dataArray, tt.args.resultOffsets, tt.args.offsets, tt.args.qi); got != tt.want {
t.Errorf("selectSearchResultData() = %v, want %v", got, tt.want)
}
})
}
})
//t.Run("Integer ID with bad score", func(t *testing.T) {
// tests := []struct {
// name string
// args args
// want int
// }{
// {
// args: args{
// dataArray: []*schemapb.SearchResultData{
// {
// Ids: &schemapb.IDs{
// IdField: &schemapb.IDs_IntId{
// IntId: &schemapb.LongArray{
// Data: []int64{11, 9, 7, 5, 3, 1},
// },
// },
// },
// Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
// Topks: []int64{2, 2, 2},
// },
// {
// Ids: &schemapb.IDs{
// IdField: &schemapb.IDs_IntId{
// IntId: &schemapb.LongArray{
// Data: []int64{12, 10, 8, 6, 4, 2},
// },
// },
// },
// Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
// Topks: []int64{2, 2, 2},
// },
// },
// resultOffsets: [][]int64{{0, 2, 4}, {0, 2, 4}},
// offsets: []int64{0, 1},
// topk: 2,
// nq: 3,
// qi: 0,
// },
// want: -1,
// },
// }
// for _, tt := range tests {
// t.Run(tt.name, func(t *testing.T) {
// if got := selectSearchResultData(tt.args.dataArray, tt.args.resultOffsets, tt.args.offsets, tt.args.qi); got != tt.want {
// t.Errorf("selectSearchResultData() = %v, want %v", got, tt.want)
// }
// })
// }
//})
}
tests/python_client/common/common_func.py
浏览文件 @ e3d1624e
......@@ -621,7 +621,7 @@ def tanimoto(x, y):
y = np.asarray(y, np.bool_)
res = np.double(np.bitwise_and(x, y).sum()) / np.double(np.bitwise_or(x, y).sum())
if res == 0:
value = 0
value = float("inf")
else:
value = -np.log2(res)
return value
......
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