From ad95b1312b86426e149362166a560dea0ba920fe Mon Sep 17 00:00:00 2001
From: Douglas Rumbaugh <dbr4@psu.edu>
Date: Mon, 24 Jul 2023 18:51:12 -0400
Subject: M-Tree benchmarks

---
 benchmarks/mtree_knn_bench.cpp | 50 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 benchmarks/mtree_knn_bench.cpp

(limited to 'benchmarks/mtree_knn_bench.cpp')

diff --git a/benchmarks/mtree_knn_bench.cpp b/benchmarks/mtree_knn_bench.cpp
new file mode 100644
index 0000000..3c1792a
--- /dev/null
+++ b/benchmarks/mtree_knn_bench.cpp
@@ -0,0 +1,50 @@
+#include "include/bench.h"
+#include "mtree.h"
+
+int main(int argc, char **argv)
+{
+    if (argc < 5) {
+        fprintf(stderr, "Usage: mtree_knn_bench <filename> <record_count> <delete_proportion> <query_file>\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 buffer_cap = 12000;
+    size_t scale_factor = 6;
+    double max_delete_prop = delete_prop;
+
+    double insert_batch = 0.1; 
+
+    init_bench_env(record_count, true);
+    auto queries = read_knn_queries<de::KNNQueryParms<Word2VecRec>>(qfilename, 50);
+
+    auto mtree = MTree();
+
+    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 = insert_batch * record_count;
+    warmup<MTree, Word2VecRec>(datafile, mtree, warmup_cnt, delete_prop, to_delete, true, true);
+
+    size_t insert_cnt = record_count - warmup_cnt;
+
+    insert_tput_bench<MTree, Word2VecRec>(mtree, datafile, insert_cnt, delete_prop, to_delete, true);
+    //fprintf(stdout, "%ld\t", mtree.get_memory_usage());
+
+//    query_latency_bench<MTree, Word2VecRec, de::KNNQueryParms<Word2VecRec>>(mtree, queries);
+ //   fprintf(stdout, "\n");
+
+    delete_bench_env();
+    fflush(stdout);
+    fflush(stderr);
+
+    exit(EXIT_SUCCESS);
+}
-- 
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