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/mtree_knn_bench.cpp | 83 ------------------------------------------
 1 file changed, 83 deletions(-)
 delete 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
deleted file mode 100644
index 9d4cc57..0000000
--- a/benchmarks/mtree_knn_bench.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-#include "include/bench.h"
-#include "mtree.h"
-
-static void mtree_knn_bench(MTree &tree, std::vector<de::KNNQueryParms<Word2VecRec>> queries, size_t trial_cnt=1) 
-{
-    char progbuf[25];
-    sprintf(progbuf, "sampling:");
-
-    size_t batch_size = 100;
-    size_t batches = trial_cnt / batch_size;
-    size_t total_time = 0;
-
-    std::vector<Word2VecRec> result_set;
-
-    for (int i=0; i<trial_cnt; i++) {
-        progress_update((double) (i * batch_size) / (double) trial_cnt, progbuf);
-
-        std::vector<Word2VecRec> results;
-
-        auto start = std::chrono::high_resolution_clock::now();
-        for (size_t j=0; j<queries.size(); j++) {
-            results.clear();
-            auto query_output = tree.get_nearest_by_limit(queries[j].point, queries[j].k);
-            auto itr = query_output.begin();
-            while (itr != query_output.end()) {
-                results.emplace_back(itr->data);
-                itr++;
-            }
-        }
-        auto stop = std::chrono::high_resolution_clock::now();
-
-        total_time += std::chrono::duration_cast<std::chrono::nanoseconds>(stop - start).count();
-    }
-
-    progress_update(1.0, progbuf);
-
-    size_t latency = total_time / (trial_cnt * queries.size());
-
-    fprintf(stdout, "%ld\t", latency);
-}
-
-int main(int argc, char **argv)
-{
-    if (argc < 5) {
-        fprintf(stderr, "Usage: mtree_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;
-
-    init_bench_env(record_count, true);
-    auto queries = read_knn_queries<de::KNNQueryParms<Word2VecRec>>(qfilename, k);
-
-    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 = 0.1 * 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());
-
-    mtree_knn_bench(mtree, queries);
-    fprintf(stdout, "\n");
-
-    delete_bench_env();
-    fflush(stdout);
-    fflush(stderr);
-
-    exit(EXIT_SUCCESS);
-}
-- 
cgit v1.2.3