Stats tweaks and KNN benchmark

1 files changed, 217 insertions, 0 deletions

diff --git a/benchmarks/tail-latency/knn_query_parm_sweep.cpp b/benchmarks/tail-latency/knn_query_parm_sweep.cpp
new file mode 100644
index 0000000..dfd713d
--- /dev/null
+++ b/benchmarks/tail-latency/knn_query_parm_sweep.cpp
@@ -0,0 +1,217 @@
+/*
+ *
+ */
+
+#include "benchmark_types.h"
+#include <cstdlib>
+#define ENABLE_TIMER
+#define TS_TEST
+
+#include <thread>
+
+#include "file_util.h"
+#include "framework/DynamicExtension.h"
+#include "framework/interface/Record.h"
+#include "framework/scheduling/FIFOScheduler.h"
+#include "framework/scheduling/SerialScheduler.h"
+#include "framework/util/Configuration.h"
+#include "query/knn.h"
+#include "shard/VPTree.h"
+#include "standard_benchmarks.h"
+#include "util/types.h"
+
+#include "framework/reconstruction/FixedShardCountPolicy.h"
+
+#include <gsl/gsl_rng.h>
+
+#include "psu-util/timer.h"
+
+
+typedef Word2VecRec Rec;
+typedef de::VPTree<Rec> Shard;
+typedef de::knn::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;
+
+std::atomic<size_t> idx;
+std::atomic<bool> inserts_done = false;
+
+ssize_t query_ratio = 0;
+
+std::atomic<size_t> total_res = 0;
+size_t reccnt = 0;
+
+size_t g_thrd_cnt = 0;
+
+std::atomic<size_t> total_insert_time = 0;
+std::atomic<size_t> total_insert_count = 0;
+std::atomic<size_t> total_query_time = 0;
+std::atomic<size_t> total_query_count = 0;
+
+void query_thread(Ext *extension, std::vector<QP> *queries) {
+  TIMER_INIT();
+  while (!inserts_done.load()) {
+    total_query_count.fetch_add(1);
+    auto q_idx = rand() % queries->size();
+
+    auto q = (*queries)[q_idx];
+
+    TIMER_START();
+    auto res = extension->query(std::move(q)).get();
+    TIMER_STOP();
+
+    total_query_time.fetch_add(TIMER_RESULT());
+    total_res.fetch_add(res.size());
+  }
+}
+
+void insert_thread(Ext *extension, std::vector<Rec> *records, size_t start_idx,
+                   size_t stop_idx) {
+  TIMER_INIT();
+
+  TIMER_START();
+  for (size_t i = start_idx; i < stop_idx; i++) {
+    while (!extension->insert((*records)[i])) {
+      usleep(1);
+    }
+  }
+
+  TIMER_STOP();
+  total_insert_time.fetch_add(TIMER_RESULT());
+}
+
+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);
+  //auto queries =read_sosd_point_lookups<QP>(q_fname, 1);
+
+  auto data = read_vector_file<Rec, W2V_SIZE>(d_fname, n);
+  auto queries = read_knn_queries<QP>(q_fname, 15, 1);
+
+  size_t buffer_size = 8000;
+  std::vector<size_t> policies = {0};
+
+  std::vector<size_t> thread_counts = {8};
+  std::vector<double> modifiers = {0};
+  std::vector<size_t> scale_factors = {2, 4, 6, 8, 10}; 
+
+  size_t insert_threads = 1;
+  size_t query_threads = 1;
+
+  reccnt = n;
+
+  for (auto pol : policies) {
+    for (auto internal_thread_cnt : thread_counts) {
+      for (auto mod : modifiers) {
+        for (auto sf : scale_factors) {
+          auto policy = get_policy<Shard, Q>(sf, buffer_size, pol, n, mod);
+          auto config = Conf(std::move(policy));
+          config.recon_enable_maint_on_flush = true;
+          config.recon_maint_disabled = false;
+          config.buffer_flush_trigger = config.buffer_size;
+          config.maximum_threads = internal_thread_cnt;
+
+          g_thrd_cnt = internal_thread_cnt;
+
+          total_insert_time.store(0);
+          total_query_time.store(0);
+          total_query_count.store(0);
+
+          auto extension = new Ext(std::move(config));
+
+          /* warmup structure w/ 10% of records */
+          size_t warmup = .3 * n;
+          for (size_t k = 0; k < warmup; k++) {
+            while (!extension->insert(data[k])) {
+              usleep(1);
+            }
+          }
+
+          extension->await_version();
+
+          idx.store(warmup);
+
+          std::thread i_thrds[insert_threads];
+          std::thread q_thrds[query_threads];
+
+          size_t per_insert_thrd = (n - warmup) / insert_threads;
+          size_t start = warmup;
+
+          for (size_t i = 0; i < insert_threads; i++) {
+            i_thrds[i] = std::thread(insert_thread, extension, &data, start,
+                                     start + per_insert_thrd);
+            start += per_insert_thrd;
+          }
+
+          for (size_t i = 0; i < insert_threads; i++) {
+            i_thrds[i].join();
+          }
+
+          inserts_done.store(true);
+
+          extension->await_version();
+
+          /* run some queries to "warm up" the cache */
+          for (size_t i=0; i<queries.size()*2; i++) {
+            auto q_idx = i % queries.size();
+            auto q = queries[q_idx];
+            auto res = extension->query(std::move(q)).get();
+            total_res.fetch_add(res.size());
+          }
+
+          total_query_count.store(100000);
+          TIMER_INIT();
+          TIMER_START();
+          for (size_t i=0; i<total_query_count; i++) {
+            auto q_idx = i % queries.size();
+            auto q = queries[q_idx];
+            auto res = extension->query(std::move(q)).get();
+            total_res.fetch_add(res.size());
+          }
+          TIMER_STOP();
+          total_query_time.store(TIMER_RESULT());
+          
+          fprintf(stderr, "%ld\n", total_res.load());
+
+          size_t insert_tput =
+              ((double)(n - warmup) / (double)total_insert_time) * 1e9;
+          size_t query_lat = (double)total_query_time.load() /
+                             (double)total_query_count.load();
+
+          fprintf(stdout, "%ld\t%ld\t%ld\t%lf\t%ld\t%ld\t%ld\t%ld\n", internal_thread_cnt, pol, sf,
+                  mod, extension->get_height(), extension->get_shard_count(),
+                  insert_tput, query_lat);
+          extension->print_scheduler_statistics();
+          //extension->print_scheduler_query_data();
+          //extension->print_structure();
+          fflush(stdout);
+
+          total_res.store(0);
+          inserts_done.store(false);
+          delete extension;
+        }
+      }
+    }
+  }
+
+  fflush(stderr);
+}