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@@ -1,6 +1,7 @@
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package com.tzld.piaoquan.recommend.server.service.rank.strategy;
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import com.ctrip.framework.apollo.spring.annotation.ApolloJsonValue;
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+import com.tzld.piaoquan.recommend.server.common.ThreadPoolFactory;
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import com.tzld.piaoquan.recommend.server.common.base.RankItem;
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import com.tzld.piaoquan.recommend.server.model.Video;
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import com.tzld.piaoquan.recommend.server.service.FeatureService;
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@@ -11,7 +12,9 @@ import com.tzld.piaoquan.recommend.server.service.score.ScorerUtils;
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import com.tzld.piaoquan.recommend.server.util.CommonCollectionUtils;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.collections4.MapUtils;
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+import org.apache.commons.math3.util.Pair;
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import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import java.io.BufferedReader;
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@@ -19,6 +22,9 @@ import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.*;
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+import java.util.concurrent.Callable;
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+import java.util.concurrent.Future;
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+import java.util.concurrent.TimeUnit;
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import java.util.stream.Collectors;
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@Service
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@@ -33,6 +39,9 @@ public class RankStrategy4RegionMergeModelV552 extends RankStrategy4RegionMergeM
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Map<String, double[]> bucketsMap = new HashMap<>();
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Map<String, Double> bucketsLen = new HashMap<>();
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+ @Value("${similarity.concurrent: false}")
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+ private boolean similarityConcurrent;
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+
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@Override
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public List<Video> mergeAndRankRovRecall(RankParam param) {
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Map<String, Double> mergeWeight = this.mergeWeight != null ? this.mergeWeight : new HashMap<>(0);
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@@ -221,14 +230,41 @@ public class RankStrategy4RegionMergeModelV552 extends RankStrategy4RegionMergeM
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String title = videoInfo.getOrDefault("title", "");
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if (!title.isEmpty()) {
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- for (String name : Arrays.asList("c3_feature", "c4_feature", "c5_feature", "c6_feature", "c7_feature")) {
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- for (String key_time : Arrays.asList("tags_1d", "tags_3d", "tags_7d")) {
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- String tags = c34567Map.getOrDefault(name + "_" + key_time, "");
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- if (!tags.isEmpty()) {
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- Double[] doubles = ExtractorUtils.funcC34567ForTags(tags, title);
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- featureMap.put(name + "_" + key_time + "_matchnum", doubles[0]);
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- featureMap.put(name + "_" + key_time + "_maxscore", doubles[1]);
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- featureMap.put(name + "_" + key_time + "_avgscore", doubles[2]);
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+ if (similarityConcurrent) {
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+ List<Future<Pair<String, Double[]>>> futures = new ArrayList<>();
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+ for (String name : Arrays.asList("c3_feature", "c4_feature", "c5_feature", "c6_feature", "c7_feature")) {
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+ for (String key_time : Arrays.asList("tags_1d", "tags_3d", "tags_7d")) {
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+ String key = name + "_" + key_time;
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+ String tags = c34567Map.getOrDefault(key, "");
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+ if (!tags.isEmpty()) {
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+ Future<Pair<String, Double[]>> future = ThreadPoolFactory.defaultPool().submit(() -> {
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+ Double[] doubles = ExtractorUtils.funcC34567ForTags(tags, title);
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+ return Pair.create(key, doubles);
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+ });
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+ futures.add(future);
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+ }
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+ }
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+ }
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+ try {
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+ for (Future<Pair<String, Double[]>> future : futures) {
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+ Pair<String, Double[]> pair = future.get(1000, TimeUnit.MILLISECONDS);
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+ featureMap.put(pair.getFirst() + "_matchnum", pair.getSecond()[0]);
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+ featureMap.put(pair.getFirst() + "_maxscore", pair.getSecond()[1]);
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+ featureMap.put(pair.getFirst() + "_avgscore", pair.getSecond()[2]);
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+ }
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+ } catch (Exception e) {
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+ log.error("concurrent similarity error", e);
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+ }
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+ } else {
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+ for (String name : Arrays.asList("c3_feature", "c4_feature", "c5_feature", "c6_feature", "c7_feature")) {
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+ for (String key_time : Arrays.asList("tags_1d", "tags_3d", "tags_7d")) {
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+ String tags = c34567Map.getOrDefault(name + "_" + key_time, "");
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+ if (!tags.isEmpty()) {
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+ Double[] doubles = ExtractorUtils.funcC34567ForTags(tags, title);
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+ featureMap.put(name + "_" + key_time + "_matchnum", doubles[0]);
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+ featureMap.put(name + "_" + key_time + "_maxscore", doubles[1]);
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+ featureMap.put(name + "_" + key_time + "_avgscore", doubles[2]);
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+ }
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}
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}
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}
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