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merge(3p/absl): subtree merge of Abseil up to e19260f

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... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).

Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
This commit is contained in:
Vincent Ambo 2020-11-21 14:43:54 +01:00
parent cc27324d02
commit 082c006c04
854 changed files with 11260 additions and 5296 deletions
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33
third_party/abseil_cpp/absl/flags/flag_benchmark.cc vendored
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@ -20,6 +20,8 @@
#include "absl/flags/flag.h"
#include "absl/flags/marshalling.h"
#include "absl/flags/parse.h"
#include "absl/flags/reflection.h"
#include "absl/strings/string_view.h"
#include "absl/time/time.h"
#include "absl/types/optional.h"
@ -103,6 +105,23 @@ std::string AbslUnparseFlag(const UDT&) { return ""; }
BENCHMARKED_TYPES(FLAG_DEF)
// Register thousands of flags to bloat up the size of the registry.
// This mimics real life production binaries.
#define DEFINE_FLAG_0(name) ABSL_FLAG(int, name, 0, "");
#define DEFINE_FLAG_1(name) DEFINE_FLAG_0(name##0) DEFINE_FLAG_0(name##1)
#define DEFINE_FLAG_2(name) DEFINE_FLAG_1(name##0) DEFINE_FLAG_1(name##1)
#define DEFINE_FLAG_3(name) DEFINE_FLAG_2(name##0) DEFINE_FLAG_2(name##1)
#define DEFINE_FLAG_4(name) DEFINE_FLAG_3(name##0) DEFINE_FLAG_3(name##1)
#define DEFINE_FLAG_5(name) DEFINE_FLAG_4(name##0) DEFINE_FLAG_4(name##1)
#define DEFINE_FLAG_6(name) DEFINE_FLAG_5(name##0) DEFINE_FLAG_5(name##1)
#define DEFINE_FLAG_7(name) DEFINE_FLAG_6(name##0) DEFINE_FLAG_6(name##1)
#define DEFINE_FLAG_8(name) DEFINE_FLAG_7(name##0) DEFINE_FLAG_7(name##1)
#define DEFINE_FLAG_9(name) DEFINE_FLAG_8(name##0) DEFINE_FLAG_8(name##1)
#define DEFINE_FLAG_10(name) DEFINE_FLAG_9(name##0) DEFINE_FLAG_9(name##1)
#define DEFINE_FLAG_11(name) DEFINE_FLAG_10(name##0) DEFINE_FLAG_10(name##1)
#define DEFINE_FLAG_12(name) DEFINE_FLAG_11(name##0) DEFINE_FLAG_11(name##1)
DEFINE_FLAG_12(bloat_flag_);
namespace {
#define BM_GetFlag(T) \
@ -115,6 +134,20 @@ namespace {
BENCHMARKED_TYPES(BM_GetFlag)
void BM_ThreadedFindCommandLineFlag(benchmark::State& state) {
char dummy[] = "dummy";
char* argv[] = {dummy};
// We need to ensure that flags have been parsed. That is where the registry
// is finalized.
absl::ParseCommandLine(1, argv);
for (auto s : state) {
benchmark::DoNotOptimize(
absl::FindCommandLineFlag("bloat_flag_010101010101"));
}
}
BENCHMARK(BM_ThreadedFindCommandLineFlag)->ThreadRange(1, 16);
} // namespace
#define InvokeGetFlag(T) \