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Await.HeadExplosion

Value Tasks

BenchmarkDotNet=v0.10.13, OS=Windows 10 Redstone 3 [1709, Fall Creators Update] (10.0.16299.309)
Intel Core i7-8550U CPU 1.80GHz (Kaby Lake R), 1 CPU, 8 logical cores and 4 physical cores
Frequency=1945315 Hz, Resolution=514.0556 ns, Timer=TSC
.NET Core SDK=2.1.103
  [Host]   : .NET Core 2.0.6 (CoreCLR 4.6.26212.01, CoreFX 4.6.26212.01), 64bit RyuJIT
  ShortRun : .NET Core 2.0.6 (CoreCLR 4.6.26212.01, CoreFX 4.6.26212.01), 64bit RyuJIT

Job=ShortRun  LaunchCount=1  TargetCount=3  
WarmupCount=3
Method Repeats Mean Error StdDev Scaled ScaledSD Gen 0 Allocated
ConsumeTask 100 874.7 ns 3,155.10 ns 178.269 ns 2.54 0.43 1.7328 7272 B
ConsumeValueTaskWrong 100 998.2 ns 1,419.13 ns 80.183 ns 2.90 0.21 - 0 B
ConsumeValueTaskProperly 100 344.9 ns 224.85 ns 12.705 ns 1.00 0.00 - 0 B
ConsumeValueTaskCrazy 100 361.3 ns 59.83 ns 3.380 ns 1.05 0.03 - 0 B
ConsumeTask 1000 10,000.4 ns 49,937.52 ns 2,821.562 ns 3.23 0.76 17.1814 72072 B
ConsumeValueTaskWrong 1000 9,508.8 ns 3,116.34 ns 176.079 ns 3.07 0.14 - 0 B
ConsumeValueTaskProperly 1000 3,103.0 ns 2,864.84 ns 161.869 ns 1.00 0.00 - 0 B
ConsumeValueTaskCrazy 1000 3,283.8 ns 1,327.09 ns 74.983 ns 1.06 0.05 - 0 B 
BenchmarkDotNet=v0.10.13, OS=Windows 10 Redstone 3 [1709, Fall Creators Update] (10.0.16299.309)
Intel Core i7-8550U CPU 1.80GHz (Kaby Lake R), 1 CPU, 8 logical cores and 4 physical cores
Frequency=1945315 Hz, Resolution=514.0556 ns, Timer=TSC
.NET Core SDK=2.1.300-preview3-008414
  [Host]   : .NET Core 2.1.0-preview3-26327-02 (CoreCLR 4.6.26327.05, CoreFX 4.6.26327.03), 64bit RyuJIT
  ShortRun : .NET Core 2.1.0-preview3-26327-02 (CoreCLR 4.6.26327.05, CoreFX 4.6.26327.03), 64bit RyuJIT

Job=ShortRun  LaunchCount=1  TargetCount=3
WarmupCount=3
Method Repeats Mean Error StdDev Scaled ScaledSD Gen 0 Allocated
ConsumeTask 100 748.2 ns 352.92 ns 19.941 ns 1.91 0.05 1.7328 7272 B
ConsumeValueTaskWrong 100 1,186.9 ns 55.53 ns 3.138 ns 3.03 0.04 - 0 B
ConsumeValueTaskProperly 100 391.2 ns 120.52 ns 6.810 ns 1.00 0.00 - 0 B
ConsumeValueTaskCrazy 100 276.1 ns 64.72 ns 3.657 ns 0.71 0.01 - 0 B
ConsumeTask 1000 7,340.3 ns 3,718.01 ns 210.074 ns 1.96 0.05 17.1814 72072 B
ConsumeValueTaskWrong 1000 18,480.7 ns 69,049.35 ns 3,901.416 ns 4.93 0.85 - 0 B
ConsumeValueTaskProperly 1000 3,747.5 ns 1,227.71 ns 69.368 ns 1.00 0.00 - 0 B
ConsumeValueTaskCrazy 1000 2,576.6 ns 345.06 ns 19.496 ns 0.69 0.01 - 0 B

Task Improvements

Before

BenchmarkDotNet=v0.10.13, OS=Windows 10 Redstone 3 [1709, Fall Creators Update] (10.0.16299.309)
Intel Core i7-8550U CPU 1.80GHz (Kaby Lake R), 1 CPU, 8 logical cores and 4 physical cores
Frequency=1945315 Hz, Resolution=514.0556 ns, Timer=TSC
.NET Core SDK=2.1.300-preview3-008414
  [Host]     : .NET Core 2.0.6 (CoreCLR 4.6.26212.01, CoreFX 4.6.26212.01), 64bit RyuJIT
  Job-HZSBKB : .NET Core 2.0.6 (CoreCLR 4.6.26212.01, CoreFX 4.6.26212.01), 64bit RyuJIT

Toolchain=.NET Core 2.0  LaunchCount=1  TargetCount=3  
WarmupCount=3
Method Mean Error StdDev Scaled Allocated
Return 15.576 ms 0.4185 ms 0.0236 ms 1.00 528 B
Simple 15.568 ms 0.8275 ms 0.0468 ms 1.00 744 B
Actions 2.008 ms 0.0756 ms 0.0043 ms 0.13 560 B

After

BenchmarkDotNet=v0.10.13, OS=Windows 10 Redstone 3 [1709, Fall Creators Update] (10.0.16299.309)
Intel Core i7-8550U CPU 1.80GHz (Kaby Lake R), 1 CPU, 8 logical cores and 4 physical cores
Frequency=1945315 Hz, Resolution=514.0556 ns, Timer=TSC
.NET Core SDK=2.1.300-preview3-008414
  [Host]     : .NET Core 2.1.0-preview3-26327-02 (CoreCLR 4.6.26327.05, CoreFX 4.6.26327.03), 64bit RyuJIT
  Job-SLQOHY : .NET Core 2.1.0-preview3-26327-02 (CoreCLR 4.6.26327.05, CoreFX 4.6.26327.03), 64bit RyuJIT

Toolchain=2.1-preview3  LaunchCount=1  TargetCount=3  
WarmupCount=3
Method Mean Error StdDev Scaled Allocated
Return 15.542 ms 1.3313 ms 0.0752 ms 1.00 376 B
Simple 15.538 ms 1.4433 ms 0.0815 ms 1.00 488 B
Actions 1.939 ms 0.4590 ms 0.0259 ms 0.12 350 B

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