From 3a3890ed9389c83a0fcf7e061b23ae947da9d4a2 Mon Sep 17 00:00:00 2001
From: Ilya Verbin <iverbin@tarantool.org>
Date: Tue, 3 Oct 2023 15:42:21 +0300
Subject: [PATCH] perf: add TreeReplaceRandomExistingKeys to memtx benchmark
It is similar to TreeGetRandomExistingKeys, but performs box_replace()
instead of box_index_get().
Needed for #6762
NO_DOC=benchmark
NO_TEST=benchmark
NO_CHANGELOG=benchmark
---
perf/memtx.cc | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/perf/memtx.cc b/perf/memtx.cc
index a346514dee..afa7346b45 100644
--- a/perf/memtx.cc
+++ b/perf/memtx.cc
@@ -359,6 +359,32 @@ BENCHMARK_F(MemtxFixture, TreeSelectAll)
state.SetItemsProcessed(counter);
}
+/**
+ * Benchmark random `replace`s of existing keys in the tree index.
+ * The key subset is regenerated through every iteration.
+ */
+BENCHMARK_F(MemtxFixture, TreeReplaceRandomExistingKeys)
+(benchmark::State & state)
+{
+ auto itr = key_subset.begin();
+ int64_t counter = 0;
+ for (MAYBE_UNUSED auto _ : state) {
+ if (itr == key_subset.end()) {
+ state.PauseTiming();
+ generate_key_subset();
+ state.ResumeTiming();
+ itr = key_subset.begin();
+ }
+ struct tuple *result;
+ if (::box_replace(sid, itr->first, itr->second, &result) != 0)
+ panic("failed to replace the tuple");
+ benchmark::DoNotOptimize(result);
+ ++counter;
+ ++itr;
+ }
+ state.SetItemsProcessed(counter);
+}
+
BENCHMARK_MAIN();
#include "debug_warning.h"
--
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