diff options
author | Abseil Team <absl-team@google.com> | 2019-05-10T19·38-0700 |
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committer | Bara Kopi <bara@kopi.com> | 2019-05-10T20·08-0400 |
commit | 0cbdc774b97f7e80ab60dbe2ed4eaca3b2e33fc8 (patch) | |
tree | 0d5be86e52fab1aa1901898b9ea7fe6f4b79e41e /absl/container/inlined_vector_benchmark.cc | |
parent | 27c2f6e2f3b5929fbd322b0f0ca392eb02efd9f8 (diff) |
Export of internal Abseil changes.
-- ab1a58c85a462884413ec0022dc1fff19ccb8602 by Abseil Team <absl-team@google.com>: Clarified the documentation in str_format.h to say that use of absl::FormatSpec is ok for wrapper functions. Added tests that express this. PiperOrigin-RevId: 247657991 -- fef9481e58d579f1514babcb960ca60a51883fd8 by CJ Johnson <johnsoncj@google.com>: Adds exception safety tests for InlinedVector::InlinedVector() and InlinedVector::InlinedVector(const allocator_type&). PiperOrigin-RevId: 247617048 -- ef3217e1cd1e9a6ff5f2025e061b8ce3735af78f by Abseil Team <absl-team@google.com>: Internal change. PiperOrigin-RevId: 247614063 -- ed4c3345c4a04d8ec5c9e627058f17fce55925b1 by CJ Johnson <johnsoncj@google.com>: Update InlinedVector::clear() Introduces inlined_vector_exception_safety_test with the first test (clear), adds new benchmarks (for clear), and updates the implementation of clear. PiperOrigin-RevId: 247496049 -- 144a3a77c93bc8b2226da6f4b56166ee3d9868de by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 247482532 -- 286bbb89e154d5424955b644edad5fe04be487f8 by Derek Mauro <dmauro@google.com>: Add scripts to run ASAN and TSAN on CI. PiperOrigin-RevId: 247479658 GitOrigin-RevId: ab1a58c85a462884413ec0022dc1fff19ccb8602 Change-Id: Ief4c5a62587d0c59d405735df469d498aa6bf101
Diffstat (limited to 'absl/container/inlined_vector_benchmark.cc')
-rw-r--r-- | absl/container/inlined_vector_benchmark.cc | 74 |
1 files changed, 71 insertions, 3 deletions
diff --git a/absl/container/inlined_vector_benchmark.cc b/absl/container/inlined_vector_benchmark.cc index 867a29ea32c1..7bb3271b470a 100644 --- a/absl/container/inlined_vector_benchmark.cc +++ b/absl/container/inlined_vector_benchmark.cc @@ -1,4 +1,4 @@ -// Copyright 2017 The Abseil Authors. +// Copyright 2019 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. @@ -12,13 +12,13 @@ // See the License for the specific language governing permissions and // limitations under the License. -#include "absl/container/inlined_vector.h" - #include <string> #include <vector> #include "benchmark/benchmark.h" #include "absl/base/internal/raw_logging.h" +#include "absl/base/macros.h" +#include "absl/container/inlined_vector.h" #include "absl/strings/str_cat.h" namespace { @@ -373,4 +373,72 @@ void BM_StdVectorEmpty(benchmark::State& state) { } BENCHMARK(BM_StdVectorEmpty); +constexpr size_t kInlineElements = 4; +constexpr size_t kSmallSize = kInlineElements / 2; +constexpr size_t kLargeSize = kInlineElements * 2; +constexpr size_t kBatchSize = 100; + +struct TrivialType { + size_t val; +}; + +using TrivialVec = absl::InlinedVector<TrivialType, kInlineElements>; + +class NontrivialType { + public: + ABSL_ATTRIBUTE_NOINLINE NontrivialType() : val_() {} + + ABSL_ATTRIBUTE_NOINLINE NontrivialType(const NontrivialType& other) + : val_(other.val_) {} + + ABSL_ATTRIBUTE_NOINLINE NontrivialType& operator=( + const NontrivialType& other) { + val_ = other.val_; + return *this; + } + + ABSL_ATTRIBUTE_NOINLINE ~NontrivialType() noexcept {} + + private: + size_t val_; +}; + +using NontrivialVec = absl::InlinedVector<NontrivialType, kInlineElements>; + +#define BENCHMARK_OPERATION(BM_Function) \ + BENCHMARK_TEMPLATE(BM_Function, TrivialVec, kSmallSize); \ + BENCHMARK_TEMPLATE(BM_Function, TrivialVec, kLargeSize); \ + BENCHMARK_TEMPLATE(BM_Function, NontrivialVec, kSmallSize); \ + BENCHMARK_TEMPLATE(BM_Function, NontrivialVec, kLargeSize) + +template <typename VecT, typename PrepareVec, typename TestVec> +void BatchedBenchmark(benchmark::State& state, PrepareVec prepare_vec, + TestVec test_vec) { + VecT vectors[kBatchSize]; + + while (state.KeepRunningBatch(kBatchSize)) { + // Prepare batch + state.PauseTiming(); + for (auto& vec : vectors) { + prepare_vec(&vec); + } + benchmark::DoNotOptimize(vectors); + state.ResumeTiming(); + + // Test batch + for (auto& vec : vectors) { + test_vec(&vec); + } + } +} + +template <typename VecT, size_t Size> +void BM_Clear(benchmark::State& state) { + BatchedBenchmark<VecT>( + state, + /* prepare_vec = */ [](VecT* vec) { vec->resize(Size); }, + /* test_vec = */ [](VecT* vec) { vec->clear(); }); +} +BENCHMARK_OPERATION(BM_Clear); + } // namespace |