From 265610435e1164a9acc39ca02ea1139acd37c46c Mon Sep 17 00:00:00 2001
From: Douglas Rumbaugh <dbr4@psu.edu>
Date: Thu, 9 May 2024 14:10:29 -0400
Subject: Added benchmarks for BigANN

---
 benchmarks/vldb/mtree_bench_alt.cpp | 80 +++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 benchmarks/vldb/mtree_bench_alt.cpp

(limited to 'benchmarks/vldb/mtree_bench_alt.cpp')

diff --git a/benchmarks/vldb/mtree_bench_alt.cpp b/benchmarks/vldb/mtree_bench_alt.cpp
new file mode 100644
index 0000000..6b08df7
--- /dev/null
+++ b/benchmarks/vldb/mtree_bench_alt.cpp
@@ -0,0 +1,80 @@
+/*
+ *
+ */
+
+#define ENABLE_TIMER
+
+#include "query/knn.h"
+#include "file_util.h"
+#include "standard_benchmarks.h"
+
+#include <gsl/gsl_rng.h>
+
+#include "psu-util/timer.h"
+
+
+typedef ANNRec Rec;
+typedef de::knn::Parms<Rec> QP;
+
+void usage(char *progname) {
+    fprintf(stderr, "%s reccnt datafile queryfile\n", progname);
+}
+
+int main(int argc, char **argv) {
+
+    if (argc < 4) {
+        usage(argv[0]);
+        exit(EXIT_FAILURE);
+    }
+
+    size_t n = atol(argv[1]);
+    std::string d_fname = std::string(argv[2]);
+    std::string q_fname = std::string(argv[3]);
+
+    auto mtree = new MTree_alt();
+    gsl_rng * rng = gsl_rng_alloc(gsl_rng_mt19937);
+    
+    fprintf(stderr, "[I] Reading data file...\n");
+    auto data = read_binary_vector_file<Rec>(d_fname, n);
+
+    fprintf(stderr, "[I] Generating delete vector\n");
+    std::vector<size_t> to_delete(n * delete_proportion);
+    size_t j=0;
+    for (size_t i=0; i<data.size() && j<to_delete.size(); i++) {
+        if (gsl_rng_uniform(rng) <= delete_proportion) {
+            to_delete[j++] = i;
+        } 
+    }
+    fprintf(stderr, "[I] Reading Queries\n");
+    auto queries = read_binary_knn_queries<QP>(q_fname, 1000, 100);
+
+    fprintf(stderr, "[I] Warming up structure...\n");
+    /* warmup structure w/ 10% of records */
+    size_t warmup = .1 * n;
+    size_t delete_idx = 0;
+    insert_records<MTree_alt, Rec>(mtree, 0, warmup, data, to_delete, delete_idx, false, rng);
+
+    TIMER_INIT();
+
+    fprintf(stderr, "[I] Running Insertion Benchmark\n");
+    TIMER_START();
+    insert_records<MTree_alt, Rec>(mtree, warmup, data.size(), data, to_delete, delete_idx, true, rng);
+    TIMER_STOP();
+
+    auto insert_latency = TIMER_RESULT();
+    size_t insert_throughput = (size_t) ((double) (n - warmup) / (double) insert_latency * 1e9);
+
+    fprintf(stderr, "[I] Running Query Benchmark\n");
+    TIMER_START();
+    run_queries<MTree_alt, QP>(mtree, queries);
+    TIMER_STOP();
+
+    auto query_latency = TIMER_RESULT() / queries.size();
+
+    fprintf(stdout, "%ld\t%ld\n", insert_throughput, query_latency);
+
+    gsl_rng_free(rng);
+    delete mtree;
+    fflush(stderr);
+}
+
-- 
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