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authorDouglas B. Rumbaugh <doug@douglasrumbaugh.com>2024-01-15 17:21:11 -0500
committerDouglas B. Rumbaugh <doug@douglasrumbaugh.com>2024-01-15 17:21:11 -0500
commit0a9e79416df03a9e0a3d2cf171cf90028a644d6d (patch)
treed0bb856608809fe54ab47eac0a3382a8f2ff9318 /benchmarks/alex_rq_bench.cpp
parentb485685968c7ab626d98cc2a84a122d7ca3c68ce (diff)
downloaddynamic-extension-0a9e79416df03a9e0a3d2cf171cf90028a644d6d.tar.gz
Benchmarking programs
Diffstat (limited to 'benchmarks/alex_rq_bench.cpp')
-rw-r--r--benchmarks/alex_rq_bench.cpp205
1 files changed, 0 insertions, 205 deletions
diff --git a/benchmarks/alex_rq_bench.cpp b/benchmarks/alex_rq_bench.cpp
deleted file mode 100644
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--- a/benchmarks/alex_rq_bench.cpp
+++ /dev/null
@@ -1,205 +0,0 @@
-#include "alex.h"
-#include "include/standalone_utility.h"
-
-typedef uint64_t key_type;
-typedef uint64_t value_type;
-
-typedef alex::Alex<key_type, value_type> Alex;
-
-struct record {
- key_type key;
- value_type value;
-};
-
-struct query {
- key_type lower_bound;
- key_type upper_bound;
-};
-
-template <typename 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 (!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;
-}
-
-
-static Alex *warmup(std::fstream &file, size_t count,
- double delete_prop, std::vector<record> to_delete, bool progress=true, bool binary=false) {
- size_t batch = std::min(.1 * count, 25000.0);
-
- std::pair<key_type, value_type> *insert_vec = new std::pair<key_type, value_type>[count];
- Alex *alex = new Alex();
-
- size_t cnt = 0;
- record rec;
- while (cnt < count && next_record(file, rec)) {
- insert_vec[cnt] = {rec.key, rec.value};
- cnt++;
- }
-
- std::sort(insert_vec, insert_vec + count);
-
- alex->bulk_load(insert_vec, count);
- delete[] insert_vec;
-
- return alex;
-}
-
-
-static void alex_rq_insert(Alex &alex, std::fstream &file, size_t insert_cnt, double delete_prop, std::vector<record> &to_delete, bool binary=false) {
- size_t delete_cnt = insert_cnt * delete_prop;
-
- size_t applied_deletes = 0;
- size_t applied_inserts = 0;
-
- size_t BATCH=1000;
-
- std::vector<record> insert_vec;
- std::vector<record> delete_vec;
- insert_vec.reserve(BATCH);
- delete_vec.reserve(BATCH*delete_prop);
-
- size_t delete_idx = 0;
-
- bool continue_benchmark = true;
-
- size_t total_time = 0;
-
- while (applied_inserts < insert_cnt && continue_benchmark) {
- continue_benchmark = build_insert_vec(file, insert_vec, BATCH, delete_prop, to_delete, binary);
- progress_update((double) applied_inserts / (double) insert_cnt, "inserting:");
- if (applied_deletes < delete_cnt) {
- build_delete_vec(to_delete, delete_vec, BATCH*delete_prop);
- delete_idx = 0;
- }
-
- if (insert_vec.size() == 0) {
- break;
- }
-
- auto insert_start = std::chrono::high_resolution_clock::now();
- for (size_t i=0; i<insert_vec.size(); i++) {
- // process a delete if necessary
- if (applied_deletes < delete_cnt && delete_idx < delete_vec.size() && gsl_rng_uniform(g_rng) < delete_prop) {
- alex.erase_one(delete_vec[delete_idx++].key);
- applied_deletes++;
- }
-
- // insert the record;
- alex.insert(insert_vec[i].key, insert_vec[i].value);
- applied_inserts++;
- }
- auto insert_stop = std::chrono::high_resolution_clock::now();
-
- total_time += std::chrono::duration_cast<std::chrono::nanoseconds>(insert_stop - insert_start).count();
- }
-
- progress_update(1.0, "inserting:");
-
- size_t throughput = (((double) (applied_inserts + applied_deletes) / (double) total_time) * 1e9);
-
- fprintf(stdout, "%ld\t", throughput);
-}
-
-
-
-static void alex_rq_bench(Alex &alex, std::vector<query> queries, size_t trial_cnt=1)
-{
- char progbuf[25];
- sprintf(progbuf, "sampling:");
-
- size_t batch_size = 100;
- size_t batches = trial_cnt / batch_size;
- size_t total_time = 0;
-
- std::vector<record> result_set;
-
- for (int i=0; i<trial_cnt; i++) {
- auto start = std::chrono::high_resolution_clock::now();
- for (size_t j=0; j<queries.size(); j++) {
- auto ptr = alex.find(queries[j].lower_bound);
- while (ptr != alex.end() && ptr.key() <= queries[j].upper_bound) {
- result_set.push_back({ptr.key(), ptr.payload()});
- ptr++;
- }
- result_set.clear();
- }
- auto stop = std::chrono::high_resolution_clock::now();
-
- total_time += std::chrono::duration_cast<std::chrono::nanoseconds>(stop - start).count();
- }
-
- size_t latency = total_time / (trial_cnt * queries.size());
-
- fprintf(stdout, "%ld\t", latency);
-}
-
-int main(int argc, char **argv)
-{
- if (argc < 5) {
- fprintf(stderr, "Usage: alex_rq_bench <filename> <record_count> <delete_proportion> <query_file>\n");
- exit(EXIT_FAILURE);
- }
-
- std::string filename = std::string(argv[1]);
- size_t record_count = atol(argv[2]);
- double delete_prop = atof(argv[3]);
- std::string qfilename = std::string(argv[4]);
-
- size_t buffer_cap = 12000;
- size_t scale_factor = 6;
- double max_delete_prop = delete_prop;
- bool use_osm = false;
-
- double insert_batch = 0.8;
-
- init_bench_env(record_count, true, use_osm);
- auto queries = read_range_queries<query>(qfilename, .0001);
-
- std::fstream datafile;
- datafile.open(filename, std::ios::in | std::ios::binary);
-
- std::vector<record> to_delete;
-
- // warm up the tree with initial_insertions number of initially inserted
- // records
- size_t warmup_cnt = insert_batch * record_count;
- auto alex = warmup(datafile, warmup_cnt, delete_prop, to_delete, true, true);
-
- fprintf(stderr, "Size: %ld\n", alex->size());
- size_t insert_cnt = record_count - warmup_cnt;
-
- alex_rq_insert(*alex, datafile, insert_cnt, delete_prop, to_delete, true);
- size_t memory_usage = alex->model_size() + alex->data_size();
-
- fprintf(stderr, "Size: %ld\n", alex->size());
- fprintf(stdout, "%ld\t", memory_usage);
-
- alex_rq_bench(*alex, queries);
- fprintf(stdout, "\n");
-
- delete_bench_env();
- delete alex;
- fflush(stdout);
- fflush(stderr);
-
- exit(EXIT_SUCCESS);
-}