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131 lines
3.0 KiB
Go
131 lines
3.0 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 index
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import "strconv"
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var _ Index = gpuBruteForceIndex{}
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type gpuBruteForceIndex struct {
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baseIndex
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}
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func (idx gpuBruteForceIndex) Params() map[string]string {
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return map[string]string{
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// build meta
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MetricTypeKey: string(idx.metricType),
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IndexTypeKey: string(GPUBruteForce),
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}
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}
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func NewGPUBruteForceIndex(metricType MetricType) Index {
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return gpuBruteForceIndex{
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baseIndex: baseIndex{
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metricType: metricType,
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},
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}
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}
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var _ Index = gpuIVFFlatIndex{}
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type gpuIVFFlatIndex struct {
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baseIndex
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nlist int
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}
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func (idx gpuIVFFlatIndex) Params() map[string]string {
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return map[string]string{
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// build meta
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MetricTypeKey: string(idx.metricType),
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IndexTypeKey: string(GPUIvfFlat),
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// build param
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ivfNlistKey: strconv.Itoa(idx.nlist),
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}
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}
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func NewGPUIVPFlatIndex(metricType MetricType) Index {
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return gpuIVFFlatIndex{
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baseIndex: baseIndex{
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metricType: metricType,
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},
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}
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}
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var _ Index = gpuIVFPQIndex{}
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type gpuIVFPQIndex struct {
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baseIndex
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nlist int
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m int
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nbits int
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}
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func (idx gpuIVFPQIndex) Params() map[string]string {
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return map[string]string{
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// build meta
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MetricTypeKey: string(idx.metricType),
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IndexTypeKey: string(GPUIvfFlat),
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// build params
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ivfNlistKey: strconv.Itoa(idx.nlist),
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ivfPQMKey: strconv.Itoa(idx.m),
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ivfPQNbits: strconv.Itoa(idx.nbits),
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}
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}
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func NewGPUIVPPQIndex(metricType MetricType) Index {
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return gpuIVFPQIndex{
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baseIndex: baseIndex{
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metricType: metricType,
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},
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}
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}
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const (
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cagraInterGraphDegreeKey = `intermediate_graph_degree`
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cagraGraphDegreeKey = `"graph_degree"`
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)
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type gpuCagra struct {
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baseIndex
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intermediateGraphDegree int
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graphDegree int
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}
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func (idx gpuCagra) Params() map[string]string {
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return map[string]string{
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// build meta
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MetricTypeKey: string(idx.metricType),
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IndexTypeKey: string(GPUIvfFlat),
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// build params
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cagraInterGraphDegreeKey: strconv.Itoa(idx.intermediateGraphDegree),
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cagraGraphDegreeKey: strconv.Itoa(idx.graphDegree),
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}
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}
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func NewGPUCagraIndex(metricType MetricType,
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intermediateGraphDegree,
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graphDegree int,
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) Index {
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return gpuCagra{
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baseIndex: baseIndex{
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metricType: metricType,
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},
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intermediateGraphDegree: intermediateGraphDegree,
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graphDegree: graphDegree,
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}
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}
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