From 26b789f9a53d086c8b8c9c2668efb251e37861cd Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Fri, 4 May 2018 09:58:56 -0700
Subject:   - 07191b0f52301e1e4a790e236f7b7c2fd90561ae Disambiguates computed
 return type of absl::optional logi... by Abseil Team <absl-team@google.com>  
 - acd95f8ec4e6ec1587cb198c7f40af3c81094d92 Release container benchmarks. by
 Alex Strelnikov <strel@google.com>   -
 80f596b6b7c5e06453e778c16527d5a0e85f8413 Allow
 absl::base_internal::AtomicHook to have a default v... by Derek Mauro
 <dmauro@google.com>   - 8402631546af8bcbd4acdf897d0cdfb805ad544a Release
 thread_identity benchmark. by Alex Strelnikov <strel@google.com>   -
 6dcb1e90fefb8556ce4654983d3a73c7585b4b99 Fix spelling error in variant.h by
 Abseil Team <absl-team@google.com>   -
 faa8a81e1442018c0d400b09a595a5be55074715 Run tests from CMake.  The CI is
 currently Linux only, fo... by Jon Cohen <cohenjon@google.com>   -
 745ed6db574f931f2ec3a88e964fb03a5f22f816 Internal change. by Derek Mauro
 <dmauro@google.com>   - 23facd7d1c5f43ac8181b016ee4acc5955f048c1
 absl::variant exception safety test. by Xiaoyi Zhang <zhangxy@google.com>   -
 c18e21e7cf8f6e83ae9d90e536e886409dd6cf68 Reinstate the syntax check on
 time-zone abbreviations now... by Abseil Team <absl-team@google.com>   -
 da469f4314f0c820665a2b5b9477af9462b23e42 Import CCTZ changes to internal
 copy. by Shaindel Schwartz <shaindel@google.com>   -
 44ea35843517be03ab256b69449ccfea64352621 Import CCTZ changes to internal
 copy. by Abseil Team <absl-team@google.com>   -
 55d1105312687c6093950fac831c7540f49045b5 Import CCTZ changes to internal
 copy. by Greg Falcon <gfalcon@google.com>   -
 58d7965ad274406410b6d833213eca04d41c6867 Add zoneinfo as a data dependency to
 the //absl/time tests. by Shaindel Schwartz <shaindel@google.com>   -
 6acc50146f9ff29015bfaaa5bf9900691f839da5 Change benchmark target type from
 cc_test to cc_binary. by Alex Strelnikov <strel@google.com>   -
 db3fbdae8f9f285a466f7a070326b1ce43b6a0dd Update WORKSPACE for C++
 microbenchmarks and release algo... by Alex Strelnikov <strel@google.com>   -
 0869ae168255242af651853ed01719166d8cebf6 Update to Bazel version 0.13.0. by
 Abseil Team <absl-team@google.com>   -
 e507dd53ab788964207fdf27d31b72a33c296fab Add missing include of cstdio by
 Abseil Team <absl-team@google.com>

GitOrigin-RevId: 07191b0f52301e1e4a790e236f7b7c2fd90561ae
Change-Id: I90994cf2b438fbec894724dcd9b90882281eef56
---
 absl/container/fixed_array_benchmark.cc | 68 +++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 absl/container/fixed_array_benchmark.cc

(limited to 'absl/container/fixed_array_benchmark.cc')

diff --git a/absl/container/fixed_array_benchmark.cc b/absl/container/fixed_array_benchmark.cc
new file mode 100644
index 000000000000..2d39898d8a5f
--- /dev/null
+++ b/absl/container/fixed_array_benchmark.cc
@@ -0,0 +1,68 @@
+// Copyright 2017 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "absl/container/fixed_array.h"
+
+#include <stddef.h>
+#include <string>
+
+#include "benchmark/benchmark.h"
+
+namespace {
+
+// For benchmarking -- simple class with constructor and destructor that
+// set an int to a constant..
+class SimpleClass {
+ public:
+  SimpleClass() : i(3) { }
+  ~SimpleClass() { i = 0; }
+ private:
+  int i;
+};
+
+template <typename C, size_t stack_size>
+void BM_FixedArray(benchmark::State& state) {
+  const int size = state.range(0);
+  for (auto _ : state) {
+    absl::FixedArray<C, stack_size> fa(size);
+    benchmark::DoNotOptimize(fa.data());
+  }
+}
+BENCHMARK_TEMPLATE(BM_FixedArray, char, absl::kFixedArrayUseDefault)
+    ->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, char, 0)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, char, 1)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, char, 16)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, char, 256)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, char, 65536)->Range(0, 1 << 16);
+
+BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, absl::kFixedArrayUseDefault)
+    ->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 0)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 1)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 16)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 256)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, SimpleClass, 65536)->Range(0, 1 << 16);
+
+BENCHMARK_TEMPLATE(BM_FixedArray, std::string, absl::kFixedArrayUseDefault)
+    ->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 0)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 1)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 16)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 256)->Range(0, 1 << 16);
+BENCHMARK_TEMPLATE(BM_FixedArray, std::string, 65536)->Range(0, 1 << 16);
+
+}  // namespace
+
+BENCHMARK_MAIN();
-- 
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