mirror of https://github.com/milvus-io/milvus.git
127 lines
3.9 KiB
Go
127 lines
3.9 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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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package autoindex
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import (
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"encoding/json"
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"strconv"
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)
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type BigDataIndexExtraParams struct {
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PGCodeBudgetGBRatio float64
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BuildNumThreadsRatio float64
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SearchCacheBudgetGBRatio float64
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LoadNumThreadRatio float64
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BeamWidthRatio float64
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}
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const (
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BuildRatioKey = "build_ratio"
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PrepareRatioKey = "prepare_ratio"
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BeamWidthRatioKey = "beamwidth_ratio"
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DefaultPGCodeBudgetGBRatio = 0.125
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DefaultBuildNumThreadsRatio = 1.0
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DefaultSearchCacheBudgetGBRatio = 0.125
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DefaultLoadNumThreadRatio = 8.0
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DefaultBeamWidthRatio = 4.0
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)
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func NewBigDataIndexExtraParams() *BigDataIndexExtraParams {
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ret := &BigDataIndexExtraParams{
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PGCodeBudgetGBRatio: DefaultPGCodeBudgetGBRatio,
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BuildNumThreadsRatio: DefaultBuildNumThreadsRatio,
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SearchCacheBudgetGBRatio: DefaultSearchCacheBudgetGBRatio,
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LoadNumThreadRatio: DefaultLoadNumThreadRatio,
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BeamWidthRatio: DefaultBeamWidthRatio,
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}
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return ret
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}
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func NewBigDataExtraParamsFromJSON(jsonStr string) (*BigDataIndexExtraParams, error) {
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buffer := make(map[string]string)
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err := json.Unmarshal([]byte(jsonStr), &buffer)
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if err != nil {
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return nil, err
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}
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return NewBigDataExtraParamsFromMap(buffer)
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}
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func NewBigDataExtraParamsFromMap(value map[string]string) (*BigDataIndexExtraParams, error) {
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ret := &BigDataIndexExtraParams{}
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var err error
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buildRatio, ok := value[BuildRatioKey]
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if !ok {
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ret.PGCodeBudgetGBRatio = DefaultPGCodeBudgetGBRatio
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ret.BuildNumThreadsRatio = DefaultBuildNumThreadsRatio
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} else {
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valueMap1 := make(map[string]float64)
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err = json.Unmarshal([]byte(buildRatio), &valueMap1)
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if err != nil {
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return ret, err
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}
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PGCodeBudgetGBRatio, ok := valueMap1["pg_code_budget_gb"]
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if !ok {
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ret.PGCodeBudgetGBRatio = DefaultPGCodeBudgetGBRatio
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} else {
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ret.PGCodeBudgetGBRatio = PGCodeBudgetGBRatio
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}
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BuildNumThreadsRatio, ok := valueMap1["num_threads"]
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if !ok {
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ret.BuildNumThreadsRatio = DefaultBuildNumThreadsRatio
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} else {
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ret.BuildNumThreadsRatio = BuildNumThreadsRatio
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}
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}
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prepareRatio, ok := value[PrepareRatioKey]
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if !ok {
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ret.SearchCacheBudgetGBRatio = DefaultSearchCacheBudgetGBRatio
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ret.LoadNumThreadRatio = DefaultLoadNumThreadRatio
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} else {
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valueMap2 := make(map[string]float64)
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err = json.Unmarshal([]byte(prepareRatio), &valueMap2)
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if err != nil {
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return ret, err
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}
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SearchCacheBudgetGBRatio, ok := valueMap2["search_cache_budget_gb"]
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if !ok {
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ret.SearchCacheBudgetGBRatio = DefaultSearchCacheBudgetGBRatio
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} else {
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ret.SearchCacheBudgetGBRatio = SearchCacheBudgetGBRatio
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}
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LoadNumThreadRatio, ok := valueMap2["num_threads"]
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if !ok {
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ret.LoadNumThreadRatio = DefaultLoadNumThreadRatio
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} else {
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ret.LoadNumThreadRatio = LoadNumThreadRatio
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}
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}
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beamWidthRatioStr, ok := value[BeamWidthRatioKey]
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if !ok {
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ret.BeamWidthRatio = DefaultBeamWidthRatio
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} else {
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beamWidthRatio, err := strconv.ParseFloat(beamWidthRatioStr, 64)
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if err != nil {
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ret.BeamWidthRatio = DefaultBeamWidthRatio
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} else {
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ret.BeamWidthRatio = beamWidthRatio
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}
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}
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return ret, nil
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}
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