From 0a9e79416df03a9e0a3d2cf171cf90028a644d6d Mon Sep 17 00:00:00 2001
From: "Douglas B. Rumbaugh" <doug@douglasrumbaugh.com>
Date: Mon, 15 Jan 2024 17:21:11 -0500
Subject: Benchmarking programs

---
 benchmarks/old-bench/vptree_knn_bench.cpp | 58 +++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 benchmarks/old-bench/vptree_knn_bench.cpp

(limited to 'benchmarks/old-bench/vptree_knn_bench.cpp')

diff --git a/benchmarks/old-bench/vptree_knn_bench.cpp b/benchmarks/old-bench/vptree_knn_bench.cpp
new file mode 100644
index 0000000..d8247e4
--- /dev/null
+++ b/benchmarks/old-bench/vptree_knn_bench.cpp
@@ -0,0 +1,58 @@
+#include "include/bench.h"
+
+int main(int argc, char **argv)
+{
+    if (argc < 5) {
+        fprintf(stderr, "Usage: vptree_knn_bench <filename> <record_count> <delete_proportion> <query_file> [k]\n");
+        exit(EXIT_FAILURE);
+    }
+
+    std::string filename = std::string(argv[1]);
+    size_t record_count = atol(argv[2]);
+    double delete_prop = atof(argv[3]);
+    std::string qfilename = std::string(argv[4]);
+    size_t k = (argc == 6) ? atol(argv[5]) : 10;
+
+    size_t buffer_cap = 12000;
+    size_t scale_factor = 6;
+    double max_delete_prop = delete_prop;
+
+    init_bench_env(record_count, true);
+    auto queries = read_knn_queries<de::KNNQueryParms<Word2VecRec>>(qfilename, k);
+
+    auto de_vp_knn = ExtendedVPTree_KNN(buffer_cap, scale_factor, max_delete_prop);
+
+    std::fstream datafile;
+    datafile.open(filename, std::ios::in | std::ios::binary);
+
+    std::vector<Word2VecRec> to_delete;
+
+    // warm up the tree with initial_insertions number of initially inserted
+    // records
+    size_t warmup_cnt = 0.1 * record_count;
+    warmup<ExtendedVPTree_KNN, Word2VecRec>(datafile, de_vp_knn, warmup_cnt, delete_prop, to_delete, true, true);
+
+    size_t insert_cnt = record_count - warmup_cnt;
+
+    insert_tput_bench<ExtendedVPTree_KNN, Word2VecRec>(de_vp_knn, datafile, insert_cnt, delete_prop, to_delete, true);
+    fprintf(stdout, "%ld\t", de_vp_knn.get_memory_usage());
+
+    query_latency_bench<ExtendedVPTree_KNN, Word2VecRec, de::KNNQueryParms<Word2VecRec>>(de_vp_knn, queries);
+    fprintf(stdout, "\n");
+
+    auto ts = de_vp_knn.create_static_structure();
+
+    fprintf(stdout, "%ld\t", ts->get_memory_usage());
+    static_latency_bench<de::VPTree<Word2VecRec>, Word2VecRec, de::KNNQueryParms<Word2VecRec>, de::KNNQuery<Word2VecRec>>(
+        ts, queries, 1
+    );
+    fprintf(stdout, "\n");
+
+    delete ts;
+
+    delete_bench_env();
+    fflush(stdout);
+    fflush(stderr);
+
+    exit(EXIT_SUCCESS);
+}
-- 
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