1 files changed, 112 insertions, 0 deletions
diff --git a/benchmarks/louds_insertion_tput.cpp b/benchmarks/louds_insertion_tput.cpp
new file mode 100644
index 0000000..d772f3b
--- /dev/null
+++ b/benchmarks/louds_insertion_tput.cpp
@@ -0,0 +1,112 @@
+/*
+ *
+ */
+
+#define ENABLE_TIMER
+
+#include <fstream>
+#include <sstream>
+
+#include "framework/DynamicExtension.h"
+#include "shard/LoudsPatricia.h"
+#include "query/pointlookup.h"
+#include "framework/interface/Record.h"
+
+#include "psu-util/timer.h"
+#include "psu-util/progress.h"
+
+
+typedef de::Record<const char *, uint64_t> Rec;
+typedef de::LoudsPatricia<Rec> Trie;
+typedef de::pl::Query<Rec, Trie> Q;
+typedef de::DynamicExtension<Rec, Trie, Q, de::LayoutPolicy::TEIRING, de::DeletePolicy::TAGGING, de::SerialScheduler> Ext;
+
+std::vector<std::unique_ptr<char[]>> strings;
+
+void insert_thread(int64_t start, int64_t end, Ext *extension) {
+    for (uint64_t i=start; i<end; i++) {
+            Rec r = {strings[i].get(), i, strlen(strings[i].get())};
+            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(std::unique_ptr<char[]>(strdup(line.c_str())));
+        i++;
+        psudb::progress_update((double) i / (double) n, "Reading file:");
+    }
+}
+
+void usage(char *name) {
+    fprintf(stderr, "Usage:\n%s datafile record_count\n", name);
+}
+
+int main(int argc, char **argv) {
+
+    if (argc < 3) {
+        usage(argv[0]);
+        exit(EXIT_FAILURE);
+    }
+
+    std::string fname = std::string(argv[1]);
+    size_t n = atol(argv[2]);
+
+    read_data(fname, n);
+
+    if (strings.size() == 0) {
+        fprintf(stderr, "[E]: No string data read from file. Aborting execution.\n");
+    } else {
+        fprintf(stderr, "Finished reading from file.\n");
+    }
+
+    std::vector<size_t> scale_factors = {2, 4, 6, 8, 10, 12};
+    std::vector<size_t> buffer_sizes = {1000, 2000, 5000, 10000, 12000, 15000};
+
+    for (auto &sf : scale_factors) {
+        for (auto &bf_sz : buffer_sizes) {
+
+            auto extension = new Ext(bf_sz, bf_sz, sf);
+
+            TIMER_INIT();
+            TIMER_START();
+            insert_thread(0, strings.size(), extension);
+            TIMER_STOP();
+
+            auto total_time = TIMER_RESULT();
+
+            size_t m = 100;
+            TIMER_START();
+            for (size_t i=0; i<m; i++) {
+                size_t j = rand() % strings.size();
+                de::pl::Parms<Rec> parms = {strings[j].get()};
+
+                auto res = extension->query(&parms);
+                auto ans = res.get();
+            }
+            TIMER_STOP();
+
+            auto query_time = TIMER_RESULT();
+
+            double i_tput = (double) n / (double) total_time * 1e9;
+            size_t q_lat = query_time / m;
+
+            fprintf(stdout, "%ld\t%ld\t%ld\t%lf\t%ld\t%ld\n", extension->get_record_count(), 
+                    bf_sz, sf, i_tput, q_lat, extension->get_memory_usage());
+
+            delete extension;
+
+            fflush(stderr);
+        }
+    }
+}
+