From 7c3fe4ea760f4773f0eb1a98ed3ba493a36015e2 Mon Sep 17 00:00:00 2001
From: Douglas Rumbaugh <dbr4@psu.edu>
Date: Wed, 17 Sep 2025 17:52:22 -0400
Subject: Last updates for dissertation

---
 benchmarks/tail-latency/isam_latency_dist.cpp | 116 ++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 benchmarks/tail-latency/isam_latency_dist.cpp

(limited to 'benchmarks/tail-latency/isam_latency_dist.cpp')

diff --git a/benchmarks/tail-latency/isam_latency_dist.cpp b/benchmarks/tail-latency/isam_latency_dist.cpp
new file mode 100644
index 0000000..c116413
--- /dev/null
+++ b/benchmarks/tail-latency/isam_latency_dist.cpp
@@ -0,0 +1,116 @@
+/*
+ *
+ */
+
+#include "framework/scheduling/FIFOScheduler.h"
+#include "framework/scheduling/SerialScheduler.h"
+#define ENABLE_TIMER
+#define TS_TEST
+
+#include <thread>
+
+#include "framework/DynamicExtension.h"
+#include "shard/ISAMTree.h"
+#include "query/rangecount.h"
+#include "framework/interface/Record.h"
+#include "file_util.h"
+#include "standard_benchmarks.h"
+#include "framework/util/Configuration.h"
+
+#include <gsl/gsl_rng.h>
+
+#include "psu-util/timer.h"
+
+
+typedef de::Record<uint64_t, uint64_t> Rec;
+typedef de::ISAMTree<Rec>Shard;
+typedef de::rc::Query<Shard> Q;
+typedef de::DynamicExtension<Shard, Q, de::DeletePolicy::TOMBSTONE, de::SerialScheduler> Ext;
+typedef Q::Parameters QP;
+typedef de::DEConfiguration<Shard, Q, de::DeletePolicy::TOMBSTONE,
+                            de::SerialScheduler>
+    Conf;
+
+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 data = read_sosd_file<Rec>(d_fname, n);
+    auto queries = read_range_queries<QP>(q_fname, .0001);
+
+    std::vector<int> policies = {0, 1};
+    std::vector<size_t> buffers = {1000, 8000, 16000};
+    std::vector<size_t> sfs = {4};
+    
+    for (size_t l=0; l<policies.size(); l++) {
+    for (size_t j=0; j<buffers.size(); j++) {
+    for (size_t k=0; k<sfs.size(); k++) {
+        auto policy = get_policy<Shard, Q>(sfs[k], buffers[j], policies[l]);
+        auto config = Conf(std::move(policy));
+
+        config.recon_enable_maint_on_flush = true;
+        config.recon_maint_disabled = false;
+        
+        auto extension = new Ext(std::move(config));
+
+        /* warmup structure w/ 10% of records */
+        size_t warmup = .3 * n;
+        for (size_t i=0; i<warmup; i++) {
+            while (!extension->insert(data[i])) {
+                usleep(1);
+            }
+        }
+
+        extension->await_version();
+
+        TIMER_INIT();
+
+        for (size_t i=warmup; i<data.size(); i++) {
+            TIMER_START();
+            while (!extension->insert(data[i])) {
+                usleep(1);
+            }
+            TIMER_STOP();
+
+            fprintf(stdout, "I\t%ld\t%ld\t%d\t%ld\n", sfs[k], buffers[j], policies[l], TIMER_RESULT());
+        }
+
+        extension->await_version();
+        
+        /* repeat the queries a bunch of times */
+        for (size_t l=0; l<10; l++) {
+        for (size_t i=0; i<queries.size(); i++) {
+            TIMER_START();
+            auto q = queries[i];
+            auto res = extension->query(std::move(q));
+            res.get();
+            TIMER_STOP();
+
+            fprintf(stdout, "Q\t%ld\t%ld\t%d\t%ld\n", sfs[k], buffers[j], policies[l], TIMER_RESULT());
+        }
+        }
+
+
+        QP p = {0, 10000};
+        auto res =extension->query(std::move(p));
+
+        fprintf(stderr, "%ld\n", res.get());
+        delete extension;
+    }}}
+
+
+    fflush(stderr);
+}
+
-- 
cgit v1.2.3