intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 50 insertions, 0 deletions

diff --git a/library/cpp/threading/future/perf/main.cpp b/library/cpp/threading/future/perf/main.cpp
new file mode 100644
index 0000000000..5a0690af47
--- /dev/null
+++ b/library/cpp/threading/future/perf/main.cpp
@@ -0,0 +1,50 @@
+#include <library/cpp/testing/benchmark/bench.h>
+#include <library/cpp/threading/future/future.h>
+
+#include <util/generic/string.h>
+#include <util/generic/xrange.h>
+
+using namespace NThreading;
+
+template <typename T>
+void TestAllocPromise(const NBench::NCpu::TParams& iface) {
+    for (const auto it : xrange(iface.Iterations())) {
+        Y_UNUSED(it);
+        Y_DO_NOT_OPTIMIZE_AWAY(NewPromise<T>());
+    }
+}
+
+template <typename T>
+TPromise<T> SetPromise(T value) {
+    auto promise = NewPromise<T>();
+    promise.SetValue(value);
+    return promise;
+}
+
+template <typename T>
+void TestSetPromise(const NBench::NCpu::TParams& iface, T value) {
+    for (const auto it : xrange(iface.Iterations())) {
+        Y_UNUSED(it);
+        Y_DO_NOT_OPTIMIZE_AWAY(SetPromise(value));
+    }
+}
+
+Y_CPU_BENCHMARK(AllocPromiseVoid, iface) {
+    TestAllocPromise<void>(iface);
+}
+
+Y_CPU_BENCHMARK(AllocPromiseUI64, iface) {
+    TestAllocPromise<ui64>(iface);
+}
+
+Y_CPU_BENCHMARK(AllocPromiseStroka, iface) {
+    TestAllocPromise<TString>(iface);
+}
+
+Y_CPU_BENCHMARK(SetPromiseUI64, iface) {
+    TestSetPromise<ui64>(iface, 1234567890ull);
+}
+
+Y_CPU_BENCHMARK(SetPromiseStroka, iface) {
+    TestSetPromise<TString>(iface, "test test test");
+}