Export of internal Abseil changes.

--
ac7508120c60dfe689c40929e416b6a486f83ee3 by Gennadiy Rozental <rogeeff@google.com>:

Internal change

PiperOrigin-RevId: 206912089

--
bd709faba88565367b6d337466e6456481b5f3e8 by Matt Calabrese <calabrese@google.com>:

Implement `std::experimental::is_detected` in type_traits internals and move `is_detected_convertible` from variant's internals to type_traits internals. This is in preparation of creating workarounds for broken standard traits.

PiperOrigin-RevId: 206825598

--
0dbddea569370eb9b6348cee172d1874f9046eb4 by Jorg Brown <jorg@google.com>:

Support users who turn on floating-point conversion warnings

PiperOrigin-RevId: 206813209

--
30991f757c8f0100584619d8a9c41897d029f112 by Jorg Brown <jorg@google.com>:

Speed up the absl::Seconds() function for floating-point values, roughly by 4.5x, since
we can take advantage of the fact that we're just taking a floating-point number and
splitting it into its integral and fractional parts.

PiperOrigin-RevId: 206806270

--
6883837176838aa5a517e7a8cb4c99afd24c0d12 by Jon Cohen <cohenjon@google.com>:

Remove the DISABLE_INSTALL from absl_container.  It doesn't do anything.

PiperOrigin-RevId: 206802544

--
92ab14fed06e6dd1f01a0284bd7f95d3e2c0c3d8 by Jon Cohen <cohenjon@google.com>:

Internal change

PiperOrigin-RevId: 206776244

--
17b76c7f364ac562d9e0faeca0320f63aa3fdb85 by Jorg Brown <jorg@google.com>:

Fix absl/strings:numbers_test flakiness due to exceeding the 1-minute timeout

PiperOrigin-RevId: 206763175

--
6637843f2e198b8efd90e5577fbc86bdea43b2cc by Abseil Team <absl-team@google.com>:

Adds templated allocator to absl::FixedArray with corresponding tests

PiperOrigin-RevId: 206354178

--
bced22f81add828c9b4c60eb45554d36c22e2f96 by Abseil Team <absl-team@google.com>:

Adds templated allocator to absl::FixedArray with corresponding tests

PiperOrigin-RevId: 206347377

--
75be14a71d2d5e335812d5b7670120271fb5bd79 by Abseil Team <absl-team@google.com>:

Internal change.

PiperOrigin-RevId: 206326935

--
6929e43f4c7898b1f51e441911a19092a06fbf97 by Abseil Team <absl-team@google.com>:

Adds templated allocator to absl::FixedArray with corresponding tests

PiperOrigin-RevId: 206326368

--
55ae34b75ff029eb267f9519e577bab8a575b487 by Abseil Team <absl-team@google.com>:

Internal change.

PiperOrigin-RevId: 206233448

--
6950a8ccddf35d451eec2d02cd28a797c8b7cf6a by Matt Kulukundis <kfm@google.com>:

Internal change

PiperOrigin-RevId: 206035613
GitOrigin-RevId: ac7508120c60dfe689c40929e416b6a486f83ee3
Change-Id: I675605abbedab6b3ac9aa82195cbd059ff7c82b1

1 files changed, 72 insertions, 6 deletions

diff --git a/absl/time/duration_benchmark.cc b/absl/time/duration_benchmark.cc
index 54f89a1..d5657bd 100644
--- a/absl/time/duration_benchmark.cc
+++ b/absl/time/duration_benchmark.cc
@@ -27,47 +27,113 @@ namespace {
 //
 
 void BM_Duration_Factory_Nanoseconds(benchmark::State& state) {
+  int64_t i = 0;
   while (state.KeepRunning()) {
-    benchmark::DoNotOptimize(absl::Nanoseconds(1));
+    benchmark::DoNotOptimize(absl::Nanoseconds(i));
+    i += 314159;
   }
 }
 BENCHMARK(BM_Duration_Factory_Nanoseconds);
 
 void BM_Duration_Factory_Microseconds(benchmark::State& state) {
+  int64_t i = 0;
   while (state.KeepRunning()) {
-    benchmark::DoNotOptimize(absl::Microseconds(1));
+    benchmark::DoNotOptimize(absl::Microseconds(i));
+    i += 314;
   }
 }
 BENCHMARK(BM_Duration_Factory_Microseconds);
 
 void BM_Duration_Factory_Milliseconds(benchmark::State& state) {
+  int64_t i = 0;
   while (state.KeepRunning()) {
-    benchmark::DoNotOptimize(absl::Milliseconds(1));
+    benchmark::DoNotOptimize(absl::Milliseconds(i));
+    i += 1;
   }
 }
 BENCHMARK(BM_Duration_Factory_Milliseconds);
 
 void BM_Duration_Factory_Seconds(benchmark::State& state) {
+  int64_t i = 0;
   while (state.KeepRunning()) {
-    benchmark::DoNotOptimize(absl::Seconds(1));
+    benchmark::DoNotOptimize(absl::Seconds(i));
+    i += 1;
   }
 }
 BENCHMARK(BM_Duration_Factory_Seconds);
 
 void BM_Duration_Factory_Minutes(benchmark::State& state) {
+  int64_t i = 0;
   while (state.KeepRunning()) {
-    benchmark::DoNotOptimize(absl::Minutes(1));
+    benchmark::DoNotOptimize(absl::Minutes(i));
+    i += 1;
   }
 }
 BENCHMARK(BM_Duration_Factory_Minutes);
 
 void BM_Duration_Factory_Hours(benchmark::State& state) {
+  int64_t i = 0;
   while (state.KeepRunning()) {
-    benchmark::DoNotOptimize(absl::Hours(1));
+    benchmark::DoNotOptimize(absl::Hours(i));
+    i += 1;
   }
 }
 BENCHMARK(BM_Duration_Factory_Hours);
 
+void BM_Duration_Factory_DoubleNanoseconds(benchmark::State& state) {
+  double d = 1;
+  while (state.KeepRunning()) {
+    benchmark::DoNotOptimize(absl::Nanoseconds(d));
+    d = d * 1.00000001 + 1;
+  }
+}
+BENCHMARK(BM_Duration_Factory_DoubleNanoseconds);
+
+void BM_Duration_Factory_DoubleMicroseconds(benchmark::State& state) {
+  double d = 1e-3;
+  while (state.KeepRunning()) {
+    benchmark::DoNotOptimize(absl::Microseconds(d));
+    d = d * 1.00000001 + 1e-3;
+  }
+}
+BENCHMARK(BM_Duration_Factory_DoubleMicroseconds);
+
+void BM_Duration_Factory_DoubleMilliseconds(benchmark::State& state) {
+  double d = 1e-6;
+  while (state.KeepRunning()) {
+    benchmark::DoNotOptimize(absl::Milliseconds(d));
+    d = d * 1.00000001 + 1e-6;
+  }
+}
+BENCHMARK(BM_Duration_Factory_DoubleMilliseconds);
+
+void BM_Duration_Factory_DoubleSeconds(benchmark::State& state) {
+  double d = 1e-9;
+  while (state.KeepRunning()) {
+    benchmark::DoNotOptimize(absl::Seconds(d));
+    d = d * 1.00000001 + 1e-9;
+  }
+}
+BENCHMARK(BM_Duration_Factory_DoubleSeconds);
+
+void BM_Duration_Factory_DoubleMinutes(benchmark::State& state) {
+  double d = 1e-9;
+  while (state.KeepRunning()) {
+    benchmark::DoNotOptimize(absl::Minutes(d));
+    d = d * 1.00000001 + 1e-9;
+  }
+}
+BENCHMARK(BM_Duration_Factory_DoubleMinutes);
+
+void BM_Duration_Factory_DoubleHours(benchmark::State& state) {
+  double d = 1e-9;
+  while (state.KeepRunning()) {
+    benchmark::DoNotOptimize(absl::Hours(d));
+    d = d * 1.00000001 + 1e-9;
+  }
+}
+BENCHMARK(BM_Duration_Factory_DoubleHours);
+
 //
 // Arithmetic
 //