Sven Balzer
942c395f59
move document types from template.json into system.json change Talents into Items add rolls for Talents change the fallback language to german
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
// Copyright (c) 2019 The LevelDB Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
|
|
|
#include <cinttypes>
|
|
#include <cstdio>
|
|
#include <string>
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "benchmark/benchmark.h"
|
|
#include "db/version_set.h"
|
|
#include "leveldb/comparator.h"
|
|
#include "leveldb/db.h"
|
|
#include "leveldb/env.h"
|
|
#include "leveldb/options.h"
|
|
#include "port/port.h"
|
|
#include "util/mutexlock.h"
|
|
#include "util/testutil.h"
|
|
|
|
namespace leveldb {
|
|
|
|
namespace {
|
|
|
|
std::string MakeKey(unsigned int num) {
|
|
char buf[30];
|
|
std::snprintf(buf, sizeof(buf), "%016u", num);
|
|
return std::string(buf);
|
|
}
|
|
|
|
void BM_LogAndApply(benchmark::State& state) {
|
|
const int num_base_files = state.range(0);
|
|
|
|
std::string dbname = testing::TempDir() + "leveldb_test_benchmark";
|
|
DestroyDB(dbname, Options());
|
|
|
|
DB* db = nullptr;
|
|
Options opts;
|
|
opts.create_if_missing = true;
|
|
Status s = DB::Open(opts, dbname, &db);
|
|
ASSERT_LEVELDB_OK(s);
|
|
ASSERT_TRUE(db != nullptr);
|
|
|
|
delete db;
|
|
db = nullptr;
|
|
|
|
Env* env = Env::Default();
|
|
|
|
port::Mutex mu;
|
|
MutexLock l(&mu);
|
|
|
|
InternalKeyComparator cmp(BytewiseComparator());
|
|
Options options;
|
|
VersionSet vset(dbname, &options, nullptr, &cmp);
|
|
bool save_manifest;
|
|
ASSERT_LEVELDB_OK(vset.Recover(&save_manifest));
|
|
VersionEdit vbase;
|
|
uint64_t fnum = 1;
|
|
for (int i = 0; i < num_base_files; i++) {
|
|
InternalKey start(MakeKey(2 * fnum), 1, kTypeValue);
|
|
InternalKey limit(MakeKey(2 * fnum + 1), 1, kTypeDeletion);
|
|
vbase.AddFile(2, fnum++, 1 /* file size */, start, limit);
|
|
}
|
|
ASSERT_LEVELDB_OK(vset.LogAndApply(&vbase, &mu));
|
|
|
|
uint64_t start_micros = env->NowMicros();
|
|
|
|
for (auto st : state) {
|
|
VersionEdit vedit;
|
|
vedit.RemoveFile(2, fnum);
|
|
InternalKey start(MakeKey(2 * fnum), 1, kTypeValue);
|
|
InternalKey limit(MakeKey(2 * fnum + 1), 1, kTypeDeletion);
|
|
vedit.AddFile(2, fnum++, 1 /* file size */, start, limit);
|
|
vset.LogAndApply(&vedit, &mu);
|
|
}
|
|
|
|
uint64_t stop_micros = env->NowMicros();
|
|
unsigned int us = stop_micros - start_micros;
|
|
char buf[16];
|
|
std::snprintf(buf, sizeof(buf), "%d", num_base_files);
|
|
std::fprintf(stderr,
|
|
"BM_LogAndApply/%-6s %8" PRIu64
|
|
" iters : %9u us (%7.0f us / iter)\n",
|
|
buf, state.iterations(), us, ((float)us) / state.iterations());
|
|
}
|
|
|
|
BENCHMARK(BM_LogAndApply)->Arg(1)->Arg(100)->Arg(10000)->Arg(100000);
|
|
|
|
} // namespace
|
|
|
|
} // namespace leveldb
|
|
|
|
BENCHMARK_MAIN();
|