From f24fdf2fd310a5f868e15cd9682ca37d740c77af Mon Sep 17 00:00:00 2001
From: Douglas Rumbaugh <dbr4@psu.edu>
Date: Tue, 30 Jan 2024 15:31:03 -0500
Subject: Benchmarking updates

---
 benchmarks/old-bench/include/bench_utility.h | 181 +++++++++++++++++++++++++++
 1 file changed, 181 insertions(+)
 create mode 100644 benchmarks/old-bench/include/bench_utility.h

(limited to 'benchmarks/old-bench/include/bench_utility.h')

diff --git a/benchmarks/old-bench/include/bench_utility.h b/benchmarks/old-bench/include/bench_utility.h
new file mode 100644
index 0000000..e33b93d
--- /dev/null
+++ b/benchmarks/old-bench/include/bench_utility.h
@@ -0,0 +1,181 @@
+/*
+ * benchmarks/include/bench_utility.h
+ *
+ * Copyright (C) 2023 Douglas Rumbaugh <drumbaugh@psu.edu> 
+ *
+ * All rights reserved. Published under the Modified BSD License.
+ *
+ */
+#pragma once
+
+#include "framework/DynamicExtension.h"
+#include "shard/WSS.h"
+#include "shard/MemISAM.h"
+#include "shard/PGM.h"
+#include "shard/TrieSpline.h"
+#include "shard/WIRS.h"
+#include "ds/BTree.h"
+#include "shard/VPTree.h"
+#include "mtree.h"
+#include "standalone_utility.h"
+
+#include <cstdlib>
+#include <cstdio>
+#include <chrono>
+#include <algorithm>
+#include <numeric>
+#include <memory>
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <unordered_set>
+#include <set>
+#include <string>
+#include <random>
+
+typedef uint64_t key_type;
+typedef uint64_t value_type;
+typedef uint64_t weight_type;
+
+typedef de::WeightedRecord<key_type, value_type, weight_type> WRec;
+typedef de::Record<key_type, value_type> Rec;
+
+const size_t W2V_SIZE = 300;
+typedef de::EuclidPoint<double, W2V_SIZE> Word2VecRec;
+
+typedef de::DynamicExtension<WRec, de::WSS<WRec>, de::WSSQuery<WRec>> ExtendedWSS;
+typedef de::DynamicExtension<Rec, de::TrieSpline<Rec>, de::TrieSplineRangeQuery<Rec>> ExtendedTSRQ;
+typedef de::DynamicExtension<Rec, de::PGM<Rec>, de::PGMRangeQuery<Rec>> ExtendedPGMRQ;
+typedef de::DynamicExtension<Rec, de::PGM<Rec>, de::PGMPointLookup<Rec>> ExtendedPGM_PL;
+typedef de::DynamicExtension<Rec, de::MemISAM<Rec>, de::IRSQuery<Rec>> ExtendedISAM_IRS;
+typedef de::DynamicExtension<Rec, de::MemISAM<Rec>, de::ISAMRangeQuery<Rec>> ExtendedISAM_RQ;
+typedef de::DynamicExtension<Word2VecRec, de::VPTree<Word2VecRec>, de::KNNQuery<Word2VecRec>> ExtendedVPTree_KNN;
+
+struct euclidean_distance {
+    double operator()(const Word2VecRec &first, const Word2VecRec &second) const {
+        double dist = 0;
+        for (size_t i=0; i<W2V_SIZE; i++) {
+            dist += (first.data[i] - second.data[i]) * (first.data[i] - second.data[i]);
+        }
+        
+        return std::sqrt(dist);
+    }
+};
+
+
+struct cosine_similarity {
+    double operator()(const Word2VecRec &first, const Word2VecRec &second) const {
+        double prod = 0;
+        double asquared = 0;
+        double bsquared = 0;
+
+        for (size_t i=0; i<W2V_SIZE; i++) {
+            prod += first.data[i] * second.data[i];
+            asquared += first.data[i]*first.data[i];
+            bsquared += second.data[i]*second.data[i];
+        }
+
+        return prod / std::sqrt(asquared * bsquared);
+    }
+};
+
+typedef tlx::BTree<key_type, btree_record, btree_key_extract> TreeMap;
+typedef mt::mtree<Word2VecRec, euclidean_distance> MTree;
+
+template <de::RecordInterface R>
+static bool build_insert_vec(std::fstream &file, std::vector<R> &vec, size_t n, 
+                             double delete_prop, std::vector<R> &to_delete, bool binary=false) {
+    vec.clear();
+    for (size_t i=0; i<n; i++) {
+        R rec;
+        if constexpr (std::is_same_v<R, Word2VecRec>) {
+            if (!next_vector_record(file, rec)) {
+                if (i == 0) {
+                    return false;
+                }
+
+                break;
+            }
+        } else {
+            if (!next_record(file, rec, binary)) {
+                if (i == 0) {
+                    return false;
+                }
+
+                break;
+            }
+        }
+
+        vec.emplace_back(rec);
+
+        if (gsl_rng_uniform(g_rng) < delete_prop + (delete_prop * .1)) {
+            to_delete.emplace_back(rec);
+        }
+    }
+
+    return true;
+}
+
+
+template <typename DE, de::RecordInterface R>
+static bool warmup(std::fstream &file, DE &extended_index, size_t count, 
+                   double delete_prop, std::vector<R> to_delete, bool progress=true, bool binary=false) {
+    size_t batch = std::min(.1 * count, 25000.0);
+
+    std::vector<R> insert_vec;
+    std::vector<R> delete_vec;
+    insert_vec.reserve(batch);
+    delete_vec.reserve(batch*delete_prop);
+
+    size_t inserted = 0;
+    size_t delete_idx = 0;
+
+    double last_percent = 0;
+    while (inserted < count) {
+        // Build vector of records to insert and potentially delete
+        auto continue_warmup = build_insert_vec(file, insert_vec, batch, delete_prop, to_delete, binary);
+        if (inserted > batch) {
+            build_delete_vec(to_delete, delete_vec, batch*delete_prop);
+            delete_idx = 0;
+        }
+
+        for (size_t i=0; i<insert_vec.size(); i++) {
+            // process a delete if necessary
+            if (delete_idx < delete_vec.size() && gsl_rng_uniform(g_rng) < delete_prop) {
+                if constexpr (std::is_same_v<TreeMap, DE>) {
+                    extended_index.erase_one(delete_vec[delete_idx++].key);
+                }
+                else if constexpr (std::is_same_v<MTree, DE>) {
+                    extended_index.remove(delete_vec[delete_idx++]);
+                } else {
+                    extended_index.erase(delete_vec[delete_idx++]);
+                }
+            }
+
+            // insert the record;
+            if constexpr (std::is_same_v<MTree, DE>) {
+                extended_index.add(insert_vec[i]);
+            } else {
+                extended_index.insert(insert_vec[i]);
+            }
+            inserted++;
+
+            if (progress) {
+                progress_update((double) inserted / (double) count, "warming up:");
+            }
+        }
+    }
+
+    return true;
+}
+
+
+static void reset_de_perf_metrics() {
+
+    /*
+     * rejection counters are zeroed automatically by the
+     * sampling function itself.
+     */
+
+    RESET_IO_CNT(); 
+}
-- 
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