Move CoreCLR over to the managed wait subsystem #117788

jkoritzinsky · 2025-07-17T21:36:17Z

Use the shared managed wait subsystem for CoreCLR's managed code instead of the Win32 PAL

Also, remove the named mutex support from the CoreCLR PAL as well as Mutex support.

Unblocks #115685

dotnet-policy-service · 2025-07-17T21:37:05Z

Tagging subscribers to this area: @mangod9
See info in area-owners.md if you want to be subscribed.

src/libraries/System.Private.CoreLib/src/System/Threading/LowLevelLifoSemaphore.Unix.cs

src/coreclr/vm/threads.cpp

src/coreclr/System.Private.CoreLib/src/System/Threading/Thread.CoreCLR.cs

src/libraries/Common/src/Interop/Unix/System.Native/Interop.GetPageSize.cs

src/coreclr/vm/threads.cpp

src/coreclr/vm/comsynchronizable.cpp

src/coreclr/vm/threads.h

src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems

src/coreclr/vm/synch.h

jkotas · 2025-12-05T19:24:39Z

I think the main remaining piece is perf testing.

jkoritzinsky · 2025-12-05T20:03:05Z

@MihuBot benchmark System.Collections.Concurrent

jkoritzinsky · 2025-12-05T20:03:16Z

@MihuBot benchmark System.Threading

MihuBot · 2025-12-05T20:32:41Z

System.Collections.Concurrent.IsEmpty_String_

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-UATSTI : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-YKZQKY : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
Dictionary	Main	0	65.9281 ns	0.0684 ns	1.00	-	NA
Dictionary	PR	0	66.1361 ns	0.1147 ns	1.00	-	NA

Queue	Main	0	1.7718 ns	0.0108 ns	1.00	-	NA
Queue	PR	0	1.7450 ns	0.0111 ns	0.98	-	NA

Stack	Main	0	0.0000 ns	0.0000 ns	?	-	?
Stack	PR	0	0.0016 ns	0.0023 ns	?	-	?

Bag	Main	0	6.4287 ns	0.0098 ns	1.00	-	NA
Bag	PR	0	6.3692 ns	0.0087 ns	0.99	-	NA

Dictionary	Main	512	2.9051 ns	0.0023 ns	1.00	-	NA
Dictionary	PR	512	2.9092 ns	0.0102 ns	1.00	-	NA

Queue	Main	512	1.2462 ns	0.0063 ns	1.00	-	NA
Queue	PR	512	1.2480 ns	0.0070 ns	1.00	-	NA

Stack	Main	512	0.0000 ns	0.0000 ns	?	-	?
Stack	PR	512	0.0005 ns	0.0004 ns	?	-	?

Bag	Main	512	5.7079 ns	0.0130 ns	1.00	-	NA
Bag	PR	512	5.8231 ns	0.0089 ns	1.02	-	NA

System.Collections.Concurrent.IsEmpty_Int32_

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-UATSTI : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-YKZQKY : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
Dictionary	Main	0	66.5415 ns	0.1328 ns	1.00	-	NA
Dictionary	PR	0	65.9239 ns	0.1428 ns	0.99	-	NA

Queue	Main	0	1.7547 ns	0.0114 ns	1.00	-	NA
Queue	PR	0	1.7366 ns	0.0111 ns	0.99	-	NA

Stack	Main	0	0.0016 ns	0.0006 ns	1.15	-	NA
Stack	PR	0	0.0006 ns	0.0007 ns	0.44	-	NA

Bag	Main	0	3.7171 ns	0.0085 ns	1.00	-	NA
Bag	PR	0	3.9912 ns	0.0134 ns	1.07	-	NA

Dictionary	Main	512	2.9416 ns	0.0026 ns	1.00	-	NA
Dictionary	PR	512	2.9062 ns	0.0057 ns	0.99	-	NA

Queue	Main	512	1.2843 ns	0.0057 ns	1.00	-	NA
Queue	PR	512	1.2502 ns	0.0045 ns	0.97	-	NA

Stack	Main	512	0.0000 ns	0.0000 ns	?	-	?
Stack	PR	512	0.0004 ns	0.0004 ns	?	-	?

Bag	Main	512	3.0545 ns	0.0107 ns	1.00	-	NA
Bag	PR	512	3.0413 ns	0.0096 ns	1.00	-	NA

System.Collections.Concurrent.Count_String_

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-UATSTI : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-YKZQKY : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
Dictionary	Main	512	65.953 ns	0.1158 ns	1.00	-	NA
Dictionary	PR	512	64.920 ns	0.1756 ns	0.98	-	NA

Queue	Main	512	2.467 ns	0.0237 ns	1.00	-	NA
Queue	PR	512	2.464 ns	0.0075 ns	1.00	-	NA

Queue_EnqueueCountDequeue	Main	512	13.757 ns	0.0478 ns	1.00	-	NA
Queue_EnqueueCountDequeue	PR	512	14.674 ns	0.0275 ns	1.07	-	NA

Stack	Main	512	566.391 ns	0.1360 ns	1.00	-	NA
Stack	PR	512	566.208 ns	0.0894 ns	1.00	-	NA

Bag	Main	512	17.084 ns	0.0182 ns	1.00	-	NA
Bag	PR	512	18.998 ns	0.0321 ns	1.11	-	NA

System.Collections.Concurrent.Count_Int32_

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-UATSTI : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-YKZQKY : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
Dictionary	Main	512	65.527 ns	0.1690 ns	1.00	-	NA
Dictionary	PR	512	65.280 ns	0.0769 ns	1.00	-	NA

Queue	Main	512	2.365 ns	0.0143 ns	1.00	-	NA
Queue	PR	512	2.368 ns	0.0112 ns	1.00	-	NA

Queue_EnqueueCountDequeue	Main	512	11.204 ns	0.0417 ns	1.00	-	NA
Queue_EnqueueCountDequeue	PR	512	12.085 ns	0.0496 ns	1.08	-	NA

Stack	Main	512	565.480 ns	0.0676 ns	1.00	-	NA
Stack	PR	512	566.410 ns	0.2543 ns	1.00	-	NA

Bag	Main	512	17.552 ns	0.0492 ns	1.00	-	NA
Bag	PR	512	17.112 ns	0.0326 ns	0.97	-	NA

System.Collections.Concurrent.AddRemoveFromSameThreads_String_

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-ZRSSBP : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-DVTPLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  InvocationCount=1
IterationTime=250ms  MaxIterationCount=20  MaxWarmupIterationCount=10
MemoryRandomization=Default  MinIterationCount=15  MinWarmupIterationCount=6
UnrollFactor=1  WarmupCount=-1

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
ConcurrentBag	Main	2000000	233.8 ms	8.11 ms	1.00	1.23 KB	1.00
ConcurrentBag	PR	2000000	231.8 ms	9.77 ms	0.99	1.49 KB	1.22

ConcurrentStack	Main	2000000	108.3 ms	5.33 ms	1.00	125000.76 KB	1.00
ConcurrentStack	PR	2000000	108.0 ms	3.28 ms	1.00	125000.66 KB	1.00

ConcurrentQueue	Main	2000000	358.5 ms	8.95 ms	1.00	129.37 KB	1.00
ConcurrentQueue	PR	2000000	353.1 ms	13.82 ms	0.99	129.74 KB	1.00

System.Collections.Concurrent.AddRemoveFromSameThreads_Int32_

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-ZRSSBP : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-DVTPLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  InvocationCount=1
IterationTime=250ms  MaxIterationCount=20  MaxWarmupIterationCount=10
MemoryRandomization=Default  MinIterationCount=15  MinWarmupIterationCount=6
UnrollFactor=1  WarmupCount=-1

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
ConcurrentBag	Main	2000000	167.48 ms	15.191 ms	1.01	1000 B	1.00
ConcurrentBag	PR	2000000	171.39 ms	9.409 ms	1.03	1240 B	1.24

ConcurrentStack	Main	2000000	73.30 ms	4.012 ms	1.00	128000440 B	1.00
ConcurrentStack	PR	2000000	78.24 ms	6.173 ms	1.07	128000992 B	1.00

ConcurrentQueue	Main	2000000	344.87 ms	12.842 ms	1.00	34144 B	1.00
ConcurrentQueue	PR	2000000	338.91 ms	14.231 ms	0.98	34352 B	1.01

System.Collections.Concurrent.AddRemoveFromDifferentThreads_String_

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-ZRSSBP : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-DVTPLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  InvocationCount=1
IterationTime=250ms  MaxIterationCount=20  MaxWarmupIterationCount=10
MemoryRandomization=Default  MinIterationCount=15  MinWarmupIterationCount=6
UnrollFactor=1  WarmupCount=-1

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
ConcurrentBag	Main	2000000	178.17 ms	21.943 ms	1.02	32 MB	1.00
ConcurrentBag	PR	2000000	182.69 ms	20.464 ms	1.05	32 MB	1.00

ConcurrentStack	Main	2000000	60.75 ms	9.392 ms	1.03	61.04 MB	1.00
ConcurrentStack	PR	2000000	56.43 ms	10.640 ms	0.96	61.04 MB	1.00

ConcurrentQueue	Main	2000000	40.87 ms	18.326 ms	1.35	8 MB	1.00
ConcurrentQueue	PR	2000000	37.52 ms	14.245 ms	1.24	8 MB	1.00

System.Collections.Concurrent.AddRemoveFromDifferentThreads_Int32_

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-ZRSSBP : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-DVTPLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  InvocationCount=1
IterationTime=250ms  MaxIterationCount=20  MaxWarmupIterationCount=10
MemoryRandomization=Default  MinIterationCount=15  MinWarmupIterationCount=6
UnrollFactor=1  WarmupCount=-1

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
ConcurrentBag	Main	2000000	169.86 ms	27.710 ms	1.04	16 MB	1.00
ConcurrentBag	PR	2000000	168.26 ms	28.765 ms	1.03	16 MB	1.00

ConcurrentStack	Main	2000000	55.38 ms	8.712 ms	1.03	61.04 MB	1.00
ConcurrentStack	PR	2000000	51.83 ms	6.964 ms	0.96	61.04 MB	1.00

ConcurrentQueue	Main	2000000	33.04 ms	12.851 ms	1.23	1 MB	1.00
ConcurrentQueue	PR	2000000	34.53 ms	13.761 ms	1.29	1 MB	1.00

MihuBot · 2025-12-05T20:47:51Z

System.Threading.Tests.Perf_Volatile

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-LIYULD : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-BIOQYX : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms  MaxIterationCount=20
MinIterationCount=15  WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
Write_double	Main	0.0011 ns	0.0004 ns	1.14	-	NA
Write_double	PR	0.0170 ns	0.0002 ns	17.78	-	NA

Read_double	Main	0.0000 ns	0.0000 ns	?	-	?
Read_double	PR	0.0000 ns	0.0000 ns	?	-	?

System.Threading.Tests.Perf_Timer

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-LIYULD : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-BIOQYX : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms  MaxIterationCount=20
MinIterationCount=15  WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
ShortScheduleAndDispose	Main	81.69 ns	1.196 ns	1.00	120 B	1.00
ShortScheduleAndDispose	PR	79.88 ns	1.156 ns	0.98	120 B	1.00

LongScheduleAndDispose	Main	82.33 ns	0.966 ns	1.00	120 B	1.00
LongScheduleAndDispose	PR	77.80 ns	0.852 ns	0.95	120 B	1.00

ScheduleManyThenDisposeMany	Main	251,127,725.50 ns	4,960,544.997 ns	1.00	144000792 B	1.00
ScheduleManyThenDisposeMany	PR	250,680,018.25 ns	4,756,751.471 ns	1.00	144001080 B	1.00

ShortScheduleAndDisposeWithFiringTimers	Main	92.33 ns	3.218 ns	1.00	144 B	1.00
ShortScheduleAndDisposeWithFiringTimers	PR	91.46 ns	3.550 ns	0.99	144 B	1.00

SynchronousContention	Main	1,207,031,754.20 ns	9,747,908.067 ns	1.00	1152000840 B	1.00
SynchronousContention	PR	1,199,816,590.07 ns	13,010,584.181 ns	0.99	1152001464 B	1.00

AsynchronousContention	Main	1,274,214,338.07 ns	10,389,910.435 ns	1.00	1152002936 B	1.00
AsynchronousContention	PR	1,269,298,031.00 ns	3,989,103.185 ns	1.00	1152035336 B	1.00

System.Threading.Tests.Perf_ThreadStatic

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
GetThreadStatic	Main	1.380 ns	0.0007 ns	1.00	-	NA
GetThreadStatic	PR	1.309 ns	0.0818 ns	0.95	-	NA

SetThreadStatic	Main	3.022 ns	0.0023 ns	1.00	-	NA
SetThreadStatic	PR	3.010 ns	0.0116 ns	1.00	-	NA

System.Threading.Tests.Perf_ThreadPool

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1  RatioSD=0.02  Gen0=38000.0000

Method	Toolchain	WorkItemsPerCore	Mean	Error	Ratio	Allocated	Alloc Ratio
QueueUserWorkItem_WaitCallback_Throughput	Main	20000000	2.072 s	0.0270 s	1.00	614.35 MB	1.00
QueueUserWorkItem_WaitCallback_Throughput	PR	20000000	2.067 s	0.0413 s	1.00	610.35 MB	0.99

System.Threading.Tests.Perf_Thread

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-LIYULD : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-BIOQYX : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms  MaxIterationCount=20
MinIterationCount=15  WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
CurrentThread	Main	1.624 ns	0.0821 ns	1.00	-	NA
CurrentThread	PR	1.925 ns	0.1394 ns	1.19	-	NA

GetCurrentProcessorId	Main	1.910 ns	0.0023 ns	1.00	-	NA
GetCurrentProcessorId	PR	1.908 ns	0.0005 ns	1.00	-	NA

System.Threading.Tests.Perf_SpinLock

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
EnterExit	Main	2.988 ns	0.0020 ns	1.00	-	NA
EnterExit	PR	2.991 ns	0.0034 ns	1.00	-	NA

TryEnterExit	Main	2.987 ns	0.0030 ns	1.00	-	NA
TryEnterExit	PR	2.993 ns	0.0049 ns	1.00	-	NA

TryEnter_Fail	Main	1.008 ns	0.0006 ns	1.00	-	NA
TryEnter_Fail	PR	1.012 ns	0.0029 ns	1.00	-	NA

System.Threading.Tests.Perf_SemaphoreSlim

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
ReleaseWait	Main	22.59 ns	0.063 ns	1.00	-	NA
ReleaseWait	PR	26.95 ns	0.073 ns	1.19	-	NA

ReleaseWaitAsync	Main	21.71 ns	0.065 ns	1.00	-	NA
ReleaseWaitAsync	PR	23.09 ns	0.024 ns	1.06	-	NA

ReleaseWaitAsync_WithCancellationToken	Main	885.80 ns	17.162 ns	1.00	376 B	1.00
ReleaseWaitAsync_WithCancellationToken	PR	841.77 ns	16.039 ns	0.95	376 B	1.00

ReleaseWaitAsync_WithTimeout	Main	894.43 ns	19.792 ns	1.00	472 B	1.00
ReleaseWaitAsync_WithTimeout	PR	865.09 ns	10.040 ns	0.97	472 B	1.00

ReleaseWaitAsync_WithCancellationTokenAndTimeout	Main	928.95 ns	18.425 ns	1.00	472 B	1.00
ReleaseWaitAsync_WithCancellationTokenAndTimeout	PR	926.33 ns	15.993 ns	1.00	472 B	1.00

System.Threading.Tests.Perf_Monitor

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
EnterExit	Main	6.637 ns	0.0100 ns	1.00	-	NA
EnterExit	PR	6.664 ns	0.0174 ns	1.00	-	NA

TryEnterExit	Main	6.684 ns	0.0197 ns	1.00	-	NA
TryEnterExit	PR	6.830 ns	0.0209 ns	1.02	-	NA

System.Threading.Tests.Perf_Lock

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
ReaderWriterLockSlimPerf	Main	10.83 ns	0.025 ns	1.00	-	NA
ReaderWriterLockSlimPerf	PR	10.58 ns	0.033 ns	0.98	-	NA

System.Threading.Tests.Perf_Interlocked

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
Increment_int	Main	0.6309 ns	0.0022 ns	1.00	-	NA
Increment_int	PR	0.6316 ns	0.0018 ns	1.00	-	NA

Decrement_int	Main	0.6326 ns	0.0030 ns	1.00	-	NA
Decrement_int	PR	0.6318 ns	0.0013 ns	1.00	-	NA

Increment_long	Main	0.6371 ns	0.0012 ns	1.00	-	NA
Increment_long	PR	0.6361 ns	0.0011 ns	1.00	-	NA

Decrement_long	Main	0.6318 ns	0.0017 ns	1.00	-	NA
Decrement_long	PR	0.6312 ns	0.0019 ns	1.00	-	NA

Add_int	Main	0.6332 ns	0.0012 ns	1.00	-	NA
Add_int	PR	0.6337 ns	0.0019 ns	1.00	-	NA

Add_long	Main	0.6316 ns	0.0016 ns	1.00	-	NA
Add_long	PR	0.6337 ns	0.0023 ns	1.00	-	NA

Exchange_int	Main	0.7084 ns	0.0005 ns	1.00	-	NA
Exchange_int	PR	0.7069 ns	0.0011 ns	1.00	-	NA

Exchange_long	Main	0.7117 ns	0.0027 ns	1.00	-	NA
Exchange_long	PR	0.7127 ns	0.0033 ns	1.00	-	NA

CompareExchange_int	Main	0.9242 ns	0.0009 ns	1.00	-	NA
CompareExchange_int	PR	0.9242 ns	0.0006 ns	1.00	-	NA

CompareExchange_long	Main	0.9246 ns	0.0007 ns	1.00	-	NA
CompareExchange_long	PR	0.9259 ns	0.0006 ns	1.00	-	NA

CompareExchange_object_Match	Main	0.8082 ns	0.0159 ns	1.00	-	NA
CompareExchange_object_Match	PR	0.5963 ns	0.0213 ns	0.74	-	NA

CompareExchange_object_NoMatch	Main	0.6798 ns	0.1542 ns	1.06	-	NA
CompareExchange_object_NoMatch	PR	0.6951 ns	0.1080 ns	1.08	-	NA

System.Threading.Tests.Perf_EventWaitHandle

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
Set_Reset	Main	150.90 ns	0.419 ns	1.00	-	NA
Set_Reset	PR	18.53 ns	0.028 ns	0.12	-	NA

System.Threading.Tests.Perf_CancellationToken

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-LIYULD : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-BIOQYX : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms  MaxIterationCount=20
MinIterationCount=15  WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
RegisterAndUnregister_Serial	Main	21.938 ns	0.5815 ns	1.00	-	NA
RegisterAndUnregister_Serial	PR	22.223 ns	0.4732 ns	1.01	-	NA

Cancel	Main	43.773 ns	0.1376 ns	1.00	192 B	1.00
Cancel	PR	43.745 ns	0.2647 ns	1.00	192 B	1.00

CreateLinkedTokenSource1	Main	25.538 ns	0.5531 ns	1.00	64 B	1.00
CreateLinkedTokenSource1	PR	26.917 ns	0.6143 ns	1.05	64 B	1.00

CreateLinkedTokenSource2	Main	43.592 ns	0.9936 ns	1.00	80 B	1.00
CreateLinkedTokenSource2	PR	43.460 ns	0.1365 ns	1.00	80 B	1.00

CreateLinkedTokenSource3	Main	68.244 ns	0.5427 ns	1.00	128 B	1.00
CreateLinkedTokenSource3	PR	73.360 ns	0.9278 ns	1.08	128 B	1.00

CreateTokenDispose	Main	6.482 ns	0.1010 ns	1.00	48 B	1.00
CreateTokenDispose	PR	6.064 ns	0.1107 ns	0.94	48 B	1.00

CreateRegisterDispose	Main	38.460 ns	0.3876 ns	1.00	192 B	1.00
CreateRegisterDispose	PR	38.213 ns	0.3140 ns	0.99	192 B	1.00

CreateManyRegisterDispose	Main	13.181 ns	0.2233 ns	1.00	-	NA
CreateManyRegisterDispose	PR	12.777 ns	0.2279 ns	0.97	-	NA

CreateManyRegisterMultipleDispose	Main	94.063 ns	3.3137 ns	1.00	-	NA
CreateManyRegisterMultipleDispose	PR	95.822 ns	5.9894 ns	1.02	-	NA

CancelAfter	Main	56.551 ns	0.7401 ns	1.00	144 B	1.00
CancelAfter	PR	58.721 ns	1.1196 ns	1.04	144 B	1.00

System.Threading.Tasks.Tests.Perf_AsyncMethods

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
EmptyAsyncMethodInvocation	Main	5.176 ns	0.0156 ns	1.00	-	NA
EmptyAsyncMethodInvocation	PR	5.064 ns	0.0046 ns	0.98	-	NA

SingleYieldMethodInvocation	Main	427.007 ns	0.9847 ns	1.00	96 B	1.00
SingleYieldMethodInvocation	PR	442.520 ns	8.5759 ns	1.04	96 B	1.00

Yield	Main	229.001 ns	13.2847 ns	1.00	-	NA
Yield	PR	250.996 ns	11.8351 ns	1.10	-	NA

System.Threading.Tasks.ValueTaskPerfTest

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-GWZVEA : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-JUROJA : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-IBSGRJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-EDFFRX : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms  MaxIterationCount=20
MaxWarmupIterationCount=10  MinIterationCount=15  MinWarmupIterationCount=2
WarmupCount=-1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
Await_FromResult	Main	5.403 ns	0.0128 ns	1.00	-	NA
Await_FromResult	PR	5.345 ns	0.0171 ns	0.99	-	NA

Await_FromCompletedTask	Main	11.896 ns	0.2817 ns	1.00	72 B	1.00
Await_FromCompletedTask	PR	11.020 ns	0.0829 ns	0.93	72 B	1.00

Await_FromCompletedValueTaskSource	Main	17.035 ns	0.0827 ns	1.00	72 B	1.00
Await_FromCompletedValueTaskSource	PR	16.764 ns	0.1131 ns	0.98	72 B	1.00

CreateAndAwait_FromResult	Main	5.390 ns	0.0084 ns	1.00	-	NA
CreateAndAwait_FromResult	PR	5.325 ns	0.0084 ns	0.99	-	NA

CreateAndAwait_FromResult_ConfigureAwait	Main	5.441 ns	0.0046 ns	1.00	-	NA
CreateAndAwait_FromResult_ConfigureAwait	PR	5.341 ns	0.0051 ns	0.98	-	NA

CreateAndAwait_FromCompletedTask	Main	6.995 ns	0.0141 ns	1.00	-	NA
CreateAndAwait_FromCompletedTask	PR	6.972 ns	0.0153 ns	1.00	-	NA

CreateAndAwait_FromCompletedTask_ConfigureAwait	Main	7.013 ns	0.0122 ns	1.00	-	NA
CreateAndAwait_FromCompletedTask_ConfigureAwait	PR	7.014 ns	0.0142 ns	1.00	-	NA

CreateAndAwait_FromCompletedValueTaskSource	Main	8.360 ns	0.0079 ns	1.00	-	NA
CreateAndAwait_FromCompletedValueTaskSource	PR	8.461 ns	0.0142 ns	1.01	-	NA

CreateAndAwait_FromYieldingAsyncMethod	Main	686.236 ns	2.6644 ns	1.00	205 B	1.00
CreateAndAwait_FromYieldingAsyncMethod	PR	701.221 ns	5.4459 ns	1.02	204 B	1.00

CreateAndAwait_FromDelayedTCS	Main	88.674 ns	0.5013 ns	1.00	216 B	1.00
CreateAndAwait_FromDelayedTCS	PR	85.375 ns	0.4450 ns	0.96	216 B	1.00

Copy_PassAsArgumentAndReturn_FromResult	Main	1.771 ns	0.0023 ns	1.00	-	NA
Copy_PassAsArgumentAndReturn_FromResult	PR	1.774 ns	0.0034 ns	1.00	-	NA

Copy_PassAsArgumentAndReturn_FromTask	Main	2.621 ns	0.0113 ns	1.00	-	NA
Copy_PassAsArgumentAndReturn_FromTask	PR	2.617 ns	0.0040 ns	1.00	-	NA

Copy_PassAsArgumentAndReturn_FromValueTaskSource	Main	3.816 ns	0.0050 ns	1.00	-	NA
Copy_PassAsArgumentAndReturn_FromValueTaskSource	PR	3.807 ns	0.0064 ns	1.00	-	NA

CreateAndAwait_FromCompletedValueTaskSource_ConfigureAwait	Main	8.407 ns	0.0109 ns	1.00	-	NA
CreateAndAwait_FromCompletedValueTaskSource_ConfigureAwait	PR	8.339 ns	0.0581 ns	0.99	-	NA

System.Threading.Channels.Tests.UnboundedChannelPerfTests

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
TryWriteThenTryRead	Main	20.20 ns	0.032 ns	1.00	-	NA
TryWriteThenTryRead	PR	20.37 ns	0.040 ns	1.01	-	NA

WriteAsyncThenReadAsync	Main	24.98 ns	0.080 ns	1.00	-	NA
WriteAsyncThenReadAsync	PR	25.16 ns	0.041 ns	1.01	-	NA

ReadAsyncThenWriteAsync	Main	44.69 ns	0.110 ns	1.00	-	NA
ReadAsyncThenWriteAsync	PR	45.06 ns	0.031 ns	1.01	-	NA

PingPong	Main	10,937,232.08 ns	341,728.096 ns	1.00	1124 B	1.00
PingPong	PR	10,928,424.51 ns	210,097.492 ns	1.00	1111 B	0.99

System.Threading.Channels.Tests.SpscUnboundedChannelPerfTests

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
TryWriteThenTryRead	Main	21.20 ns	0.027 ns	1.00	-	NA
TryWriteThenTryRead	PR	20.68 ns	0.049 ns	0.98	-	NA

WriteAsyncThenReadAsync	Main	33.72 ns	0.030 ns	1.00	-	NA
WriteAsyncThenReadAsync	PR	31.13 ns	0.204 ns	0.92	-	NA

ReadAsyncThenWriteAsync	Main	41.79 ns	0.066 ns	1.00	-	NA
ReadAsyncThenWriteAsync	PR	41.96 ns	0.231 ns	1.00	-	NA

PingPong	Main	10,424,822.56 ns	310,016.007 ns	1.00	1131 B	1.00
PingPong	PR	10,890,043.09 ns	498,719.080 ns	1.05	1199 B	1.06

System.Threading.Channels.Tests.BoundedChannelPerfTests

BenchmarkDotNet v0.14.1-nightly.20250107.205, Linux Ubuntu 22.04.5 LTS (Jammy Jellyfish)
AMD EPYC 9V74, 1 CPU, 8 logical and 4 physical cores
  Job-IXTPWL : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
  Job-XGVMLJ : .NET 10.0.0 (42.42.42.42424), X64 RyuJIT AVX-512F+CD+BW+DQ+VL+VBMI
OutlierMode=Default  PowerPlanMode=00000000-0000-0000-0000-000000000000  IterationTime=250ms
MaxIterationCount=20  MemoryRandomization=Default  MinIterationCount=15
WarmupCount=1

Method	Toolchain	Mean	Error	Ratio	Allocated	Alloc Ratio
TryWriteThenTryRead	Main	29.56 ns	0.301 ns	1.00	-	NA
TryWriteThenTryRead	PR	29.31 ns	0.079 ns	0.99	-	NA

WriteAsyncThenReadAsync	Main	35.78 ns	0.085 ns	1.00	-	NA
WriteAsyncThenReadAsync	PR	35.67 ns	0.395 ns	1.00	-	NA

ReadAsyncThenWriteAsync	Main	40.58 ns	0.101 ns	1.00	-	NA
ReadAsyncThenWriteAsync	PR	40.19 ns	0.061 ns	0.99	-	NA

PingPong	Main	10,719,802.47 ns	336,447.929 ns	1.00	1108 B	1.00
PingPong	PR	10,755,276.44 ns	90,025.478 ns	1.00	1108 B	1.00

jkotas · 2025-12-06T04:29:17Z

Can we run TechEmpower too?

src/coreclr/pal/inc/pal.h

jkoritzinsky · 2025-12-06T05:52:31Z

Do you know if we have a bot to run it? Otherwise I can run crank locally to validate on Monday.

Co-authored-by: Jan Kotas <jkotas@microsoft.com>

jkotas · 2025-12-06T14:57:26Z

src/libraries/System.Private.CoreLib/src/System/Threading/Thread.Unix.cs

+
+        internal static void EnsureDetachedThreadCleanupThreadExists()
+        {
+            // We should only need to use a separate cleanup thread if we're on the finalizer thread.


Do we still have the deadlock problem if the user code is waiting on a finalizer thread using hand-rolled synchronization (not one of ours) and the action that it is waiting for is blocked on observing an abandoned mutex?

I am wondering whether the dedicated cleanup thread is worth the trouble. I do not think we consider blocked finalizer thread to be something to be robust against in general. Blocking on a finalizer thread is a bug in the user code that can cause all sorts of problems.

Maybe we should keep it simple, wait if somebody will ever report this, and only consider fixing it then if the scenario looks plausible?

MihaZupan · 2025-12-06T15:05:21Z

/benchmark plaintext,json aspnet-citrine-lin kestrel

That used to work :/

jkotas · 2025-12-06T16:06:04Z

/benchmark plaintext,json,fortunes aspnet-citrine-lin runtime,libs

jkotas · 2025-12-06T16:07:41Z

It used to work 2 weeks ago #121887 (comment)

pr-benchmarks · 2025-12-06T16:08:24Z

Benchmark started for plaintext, json, fortunes on aspnet-citrine-lin with runtime, libs. Logs: link

pr-benchmarks · 2025-12-06T16:11:27Z

An error occurred, please check the logs

jkoritzinsky added area-System.Threading runtime-coreclr specific to the CoreCLR runtime labels Jul 17, 2025

dotnet-policy-service bot assigned jkoritzinsky Jul 17, 2025

jkoritzinsky mentioned this pull request Jul 17, 2025

[Android] Add support for named mutex on mobile platforms in CoreCLR #117760

Open

jkoritzinsky added this to the 11.0.0 milestone Jul 17, 2025

jkoritzinsky added the blocked Issue/PR is blocked on something - see comments label Jul 17, 2025

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This was referenced Jul 31, 2025

slow macOS - "##[error]The job running on agent Azure Pipelines 9 ran longer than the maximum time of 60 minutes." dotnet/dnceng#1883

Open

[browser] Wasm.Build.Tests timeout - Timed out after 10s waiting for 'WASM EXIT' #116697

Open

jkoritzinsky mentioned this pull request Aug 5, 2025

Move the implementation of Monitor to managed in CoreCLR #118371

Merged

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