From 147f0df58e1ff4973bffb7e4628e6b2fdc20eb57 Mon Sep 17 00:00:00 2001
From: Douglas Rumbaugh <dbr4@psu.edu>
Date: Fri, 22 Mar 2024 14:04:40 -0400
Subject: FSTrie testing and debugging

---
 benchmarks/string_insertion_tput.cpp | 92 ++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 benchmarks/string_insertion_tput.cpp

(limited to 'benchmarks')

diff --git a/benchmarks/string_insertion_tput.cpp b/benchmarks/string_insertion_tput.cpp
new file mode 100644
index 0000000..d205175
--- /dev/null
+++ b/benchmarks/string_insertion_tput.cpp
@@ -0,0 +1,92 @@
+/*
+ *
+ */
+
+#define ENABLE_TIMER
+
+#include <fstream>
+#include <sstream>
+
+#include "framework/DynamicExtension.h"
+#include "shard/FSTrie.h"
+#include "query/rangequery.h"
+#include "framework/interface/Record.h"
+
+#include "psu-util/timer.h"
+#include "psu-util/progress.h"
+
+
+typedef de::Record<std::string, uint64_t> Rec;
+typedef de::FSTrie<Rec> Trie;
+typedef de::rq::Query<Rec, Trie> Q;
+typedef de::DynamicExtension<Rec, Trie, Q> Ext; //, de::LayoutPolicy::TEIRING, de::DeletePolicy::TAGGING, de::SerialScheduler> Ext;
+
+std::vector<std::string> strings;
+
+void insert_thread(int64_t start, int64_t end, Ext *extension) {
+    for (uint64_t i=start; i<end; i++) {
+            Rec r = {strings[i], i};
+            while (!extension->insert(r)) {
+                _mm_pause();
+            }
+    }
+}
+
+void read_data(std::string fname, size_t n=10000000) {
+    strings.reserve(n);
+
+    std::fstream file;
+    file.open(fname, std::ios::in);
+
+    size_t i=0;
+    std::string line;
+    while (i < n && std::getline(file, line, '\n')) {
+        strings.emplace_back(line);
+        i++;
+        psudb::progress_update((double) i / (double) n, "Reading file:");
+    }
+}
+
+int main(int argc, char **argv) {
+    size_t n = 100000000;
+
+    std::vector<int> counts = {1 , 2, 4, 8}; //, 16, 32, 64};
+    //
+    read_data("benchmarks/data/ursa-genome.txt", n);
+
+    fprintf(stderr, "Finished reading from file.\n");
+
+    for (auto thread_count : counts) {
+
+        auto extension = new Ext(1000, 12000, 8);
+
+        size_t per_thread = n / thread_count;
+
+        std::thread threads[thread_count];
+
+        TIMER_INIT();
+        TIMER_START();
+        for (size_t i=0; i<thread_count; i++) {
+            threads[i] = std::thread(insert_thread, i*per_thread, 
+                                     i*per_thread+per_thread, extension);
+        }
+
+        for (size_t i=0; i<thread_count; i++) {
+            threads[i].join();
+        }
+
+        TIMER_STOP();
+
+        auto total_time = TIMER_RESULT();
+
+        double tput = (double) n / (double) total_time * 1e9;
+
+        fprintf(stdout, "%ld\t%d\t%lf\n", extension->get_record_count(), 
+                thread_count, tput);
+
+        delete extension;
+    }
+
+    fflush(stderr);
+}
+
-- 
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