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| author | Ben Craig <ben.craig@codeaurora.org> | 2016-08-01 19:56:39 +0000 |
|---|---|---|
| committer | Ben Craig <ben.craig@codeaurora.org> | 2016-08-01 19:56:39 +0000 |
| commit | adb6d28b0f5e6d7a89e77208724a7a5baee438b7 (patch) | |
| tree | 7d474acc51115ea431c754302357ee9d8f1b1f42 /libcxx/benchmarks | |
| parent | 1f72abb56bbf66c47dcfc17f2b20bcf99377898d (diff) | |
| download | bcm5719-llvm-adb6d28b0f5e6d7a89e77208724a7a5baee438b7.tar.gz bcm5719-llvm-adb6d28b0f5e6d7a89e77208724a7a5baee438b7.zip | |
Adding smart_ptr benchmark
Initial draft here:
https://reviews.llvm.org/D22470
... though this is Eric Fiselier's rewrite to fit in with Google
Benchmark.
llvm-svn: 277373
Diffstat (limited to 'libcxx/benchmarks')
| -rw-r--r-- | libcxx/benchmarks/util_smartptr.bench.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libcxx/benchmarks/util_smartptr.bench.cpp b/libcxx/benchmarks/util_smartptr.bench.cpp new file mode 100644 index 00000000000..3b27d789701 --- /dev/null +++ b/libcxx/benchmarks/util_smartptr.bench.cpp @@ -0,0 +1,42 @@ +//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <memory>
+
+#include "benchmark/benchmark_api.h"
+
+static void BM_SharedPtrCreateDestroy(benchmark::State& st) {
+ while (st.KeepRunning()) {
+ auto sp = std::make_shared<int>(42);
+ benchmark::DoNotOptimize(sp.get());
+ }
+}
+BENCHMARK(BM_SharedPtrCreateDestroy);
+
+static void BM_SharedPtrIncDecRef(benchmark::State& st) {
+ auto sp = std::make_shared<int>(42);
+ benchmark::DoNotOptimize(sp.get());
+ while (st.KeepRunning()) {
+ std::shared_ptr<int> sp2(sp);
+ benchmark::ClobberMemory();
+ }
+}
+BENCHMARK(BM_SharedPtrIncDecRef);
+
+static void BM_WeakPtrIncDecRef(benchmark::State& st) {
+ auto sp = std::make_shared<int>(42);
+ benchmark::DoNotOptimize(sp.get());
+ while (st.KeepRunning()) {
+ std::weak_ptr<int> wp(sp);
+ benchmark::ClobberMemory();
+ }
+}
+BENCHMARK(BM_WeakPtrIncDecRef);
+
+BENCHMARK_MAIN()
|
