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Export of internal Abseil changes.

Browse source 
--
906c47420646d510edd2479d5542c56f5fa31b65 by CJ Johnson <johnsoncj@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 216573923

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74560d4afd2b605909e677c6fc3076049fb3010a by Eric Fiselier <ericwf@google.com>:

Avoid -Wformat-pedantic in benchmark.

PiperOrigin-RevId: 216523769

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9bcc9da8b03e6d1ea43ee78931256c5541cb9686 by Eric Fiselier <ericwf@google.com>:

Delete unused CityHash functions.

PiperOrigin-RevId: 216464492

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a42563b394c89fbb4c55cb5a6a5edbf96d271eea by Abseil Team <absl-team@google.com>:

Introduce new Abseil interfaces for converting between civil
times and absolute times.s

Deprecates absl::ConvertDateTime() and absl::FromDateTime().

PiperOrigin-RevId: 216424948

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088e11235124267517d7f137854fa5554679c24f by Eric Fiselier <ericwf@google.com>:

Remove unneeded break statements in test.

PiperOrigin-RevId: 216403321
GitOrigin-RevId: 906c47420646d510edd2479d5542c56f5fa31b65
Change-Id: Idb44420be623e369c66f5a9c92bdc9ab46d3ec92
This commit is contained in:
Abseil Team 2018-10-10 12:31:37 -07:00 • committed by CJ Johnson
parent 445998d7ac
commit f340f773ed
24 changed files with 2675 additions and 2592 deletions
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38
absl/time/time_benchmark.cc
View file

@ -169,32 +169,32 @@ void BM_Time_ToUnixSeconds(benchmark::State& state) {
BENCHMARK(BM_Time_ToUnixSeconds);
//
// FromDateTime
// FromCivil
//
// In each "FromDateTime" benchmark we switch between two YMDhms
// values separated by at least one transition in order to defeat any
// internal caching of previous results (e.g., see time_local_hint_).
// In each "FromCivil" benchmark we switch between two YMDhms values
// separated by at least one transition in order to defeat any internal
// caching of previous results (e.g., see time_local_hint_).
//
// The "UTC" variants use UTC instead of the Google/local time zone.
// The "Day0" variants require normalization of the day of month.
//
void BM_Time_FromDateTime_Absl(benchmark::State& state) {
void BM_Time_FromCivil_Absl(benchmark::State& state) {
const absl::TimeZone tz =
absl::time_internal::LoadTimeZone("America/Los_Angeles");
int i = 0;
while (state.KeepRunning()) {
if ((i & 1) == 0) {
absl::FromDateTime(2014, 12, 18, 20, 16, 18, tz);
absl::FromCivil(absl::CivilSecond(2014, 12, 18, 20, 16, 18), tz);
} else {
absl::FromDateTime(2013, 11, 15, 18, 30, 27, tz);
absl::FromCivil(absl::CivilSecond(2013, 11, 15, 18, 30, 27), tz);
}
++i;
}
}
BENCHMARK(BM_Time_FromDateTime_Absl);
BENCHMARK(BM_Time_FromCivil_Absl);
void BM_Time_FromDateTime_Libc(benchmark::State& state) {
void BM_Time_FromCivil_Libc(benchmark::State& state) {
// No timezone support, so just use localtime.
int i = 0;
while (state.KeepRunning()) {
@ -219,32 +219,32 @@ void BM_Time_FromDateTime_Libc(benchmark::State& state) {
++i;
}
}
BENCHMARK(BM_Time_FromDateTime_Libc);
BENCHMARK(BM_Time_FromCivil_Libc);
void BM_Time_FromDateTimeUTC_Absl(benchmark::State& state) {
void BM_Time_FromCivilUTC_Absl(benchmark::State& state) {
const absl::TimeZone tz = absl::UTCTimeZone();
while (state.KeepRunning()) {
FromDateTime(2014, 12, 18, 20, 16, 18, tz);
absl::FromCivil(absl::CivilSecond(2014, 12, 18, 20, 16, 18), tz);
}
}
BENCHMARK(BM_Time_FromDateTimeUTC_Absl);
BENCHMARK(BM_Time_FromCivilUTC_Absl);
void BM_Time_FromDateTimeDay0_Absl(benchmark::State& state) {
void BM_Time_FromCivilDay0_Absl(benchmark::State& state) {
const absl::TimeZone tz =
absl::time_internal::LoadTimeZone("America/Los_Angeles");
int i = 0;
while (state.KeepRunning()) {
if ((i & 1) == 0) {
absl::FromDateTime(2014, 12, 0, 20, 16, 18, tz);
absl::FromCivil(absl::CivilSecond(2014, 12, 0, 20, 16, 18), tz);
} else {
absl::FromDateTime(2013, 11, 0, 18, 30, 27, tz);
absl::FromCivil(absl::CivilSecond(2013, 11, 0, 18, 30, 27), tz);
}
++i;
}
}
BENCHMARK(BM_Time_FromDateTimeDay0_Absl);
BENCHMARK(BM_Time_FromCivilDay0_Absl);
void BM_Time_FromDateTimeDay0_Libc(benchmark::State& state) {
void BM_Time_FromCivilDay0_Libc(benchmark::State& state) {
// No timezone support, so just use localtime.
int i = 0;
while (state.KeepRunning()) {
@ -269,7 +269,7 @@ void BM_Time_FromDateTimeDay0_Libc(benchmark::State& state) {
++i;
}
}
BENCHMARK(BM_Time_FromDateTimeDay0_Libc);
BENCHMARK(BM_Time_FromCivilDay0_Libc);
//
// To/FromTimespec