dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 36 Improvements on 7/28/2026 8:11:49 AM +00:00

Open
#77,314 2 comments 0 reactions 0 assignees View on GitHub
arch-wasm arch-x64 branch-refs/heads/main compilationmode-wasm kind-micro os-linux perf-improvement runkind-micro runtimetype-coreclr untriaged
Dominant language
No language data
Stars
10
Forks
8
PR metrics pending

Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [00115f085a2df36ea7b135673d290298e20775f7](https://github.com/dotnet/runtime/commit/00115f085a2df36ea7b135673d290298e20775f7)
Compare | [a7bb6dfe4ab5ba1804be80698cf138a65e9c0370](https://github.com/dotnet/runtime/commit/a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Diff | [Diff](https://github.com/dotnet/runtime/compare/00115f085a2df36ea7b135673d290298e20775f7...a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Text.Json.Serialization.Tests.WriteJson<StructRecord>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [SerializeToWriter - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 57.35 μs | 44.17 μs | 0.77 | 0.21 | False | | |
|
  • [SerializeToUtf8Bytes - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 69.07 μs | 56.85 μs | 0.82 | 0.16 | False | | |
|
  • [SerializeObjectProperty - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 103.44 μs | 86.17 μs | 0.83 | 0.12 | False | | |
|
  • [SerializeToString - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 83.56 μs | 71.04 μs | 0.85 | 0.13 | False | | |

![graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson*'
```

### System.Text.Json.Serialization.Tests.WriteJson<StructRecord>.SerializeToWriter(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<StructRecord>.SerializeToUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<StructRecord>.SerializeObjectProperty(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<StructRecord>.SerializeToString(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [da6081391e5d3227e462c082b345af8720db05c1](https://github.com/dotnet/runtime/commit/da6081391e5d3227e462c082b345af8720db05c1)
Compare | [a7bb6dfe4ab5ba1804be80698cf138a65e9c0370](https://github.com/dotnet/runtime/commit/a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Diff | [Diff](https://github.com/dotnet/runtime/compare/da6081391e5d3227e462c082b345af8720db05c1...a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [SerializeToWriter - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 24.69 μs | 19.06 μs | 0.77 | 0.31 | False | | |
|
  • [SerializeToUtf8Bytes - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 33.35 μs | 28.52 μs | 0.86 | 0.15 | False | | |
|
  • [SerializeObjectProperty - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 60.43 μs | 51.80 μs | 0.86 | 0.06 | False | | |
|
  • [SerializeToString - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 39.98 μs | 35.16 μs | 0.88 | 0.12 | False | | |

![graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson*'
```

### System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>.SerializeToWriter(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>.SerializeToUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>.SerializeObjectProperty(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>.SerializeToString(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [00115f085a2df36ea7b135673d290298e20775f7](https://github.com/dotnet/runtime/commit/00115f085a2df36ea7b135673d290298e20775f7)
Compare | [a7bb6dfe4ab5ba1804be80698cf138a65e9c0370](https://github.com/dotnet/runtime/commit/a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Diff | [Diff](https://github.com/dotnet/runtime/compare/00115f085a2df36ea7b135673d290298e20775f7...a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Text.Json.Serialization.Tests.WriteJson<Location>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [SerializeToWriter - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 106.91 μs | 91.35 μs | 0.85 | 0.15 | False | | |
|
  • [SerializeObjectProperty - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 160.39 μs | 140.90 μs | 0.88 | 0.13 | False | | |
|
  • [SerializeToUtf8Bytes - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 115.50 μs | 103.63 μs | 0.90 | 0.14 | False | | |
|
  • [SerializeToString - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 136.43 μs | 128.56 μs | 0.94 | 0.17 | False | | |

![graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson*'
```

### System.Text.Json.Serialization.Tests.WriteJson<Location>.SerializeToWriter(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<Location>.SerializeObjectProperty(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<Location>.SerializeToUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<Location>.SerializeToString(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [00115f085a2df36ea7b135673d290298e20775f7](https://github.com/dotnet/runtime/commit/00115f085a2df36ea7b135673d290298e20775f7)
Compare | [a7bb6dfe4ab5ba1804be80698cf138a65e9c0370](https://github.com/dotnet/runtime/commit/a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Diff | [Diff](https://github.com/dotnet/runtime/compare/00115f085a2df36ea7b135673d290298e20775f7...a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [SerializeToWriter - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 79.47 μs | 62.75 μs | 0.79 | 0.23 | False | | |
|
  • [SerializeObjectProperty - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 128.65 μs | 104.74 μs | 0.81 | 0.15 | False | | |
|
  • [SerializeToUtf8Bytes - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 91.70 μs | 74.80 μs | 0.82 | 0.23 | False | | |
|
  • [SerializeToString - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 106.11 μs | 88.85 μs | 0.84 | 0.19 | False | | |

![graph]()
![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson*'
```

### System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeToWriter(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeObjectProperty(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeToUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeToString(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [da6081391e5d3227e462c082b345af8720db05c1](https://github.com/dotnet/runtime/commit/da6081391e5d3227e462c082b345af8720db05c1)
Compare | [a7bb6dfe4ab5ba1804be80698cf138a65e9c0370](https://github.com/dotnet/runtime/commit/a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Diff | [Diff](https://github.com/dotnet/runtime/compare/da6081391e5d3227e462c082b345af8720db05c1...a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [SerializeToWriter - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 56.78 μs | 45.18 μs | 0.80 | 0.22 | False | | |
|
  • [SerializeToUtf8Bytes - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 68.75 μs | 56.72 μs | 0.82 | 0.16 | False | | |
|
  • [SerializeToString - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 83.53 μs | 69.43 μs | 0.83 | 0.13 | False | | |

![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson*'
```

### System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToWriter(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToString(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [00115f085a2df36ea7b135673d290298e20775f7](https://github.com/dotnet/runtime/commit/00115f085a2df36ea7b135673d290298e20775f7)
Compare | [a7bb6dfe4ab5ba1804be80698cf138a65e9c0370](https://github.com/dotnet/runtime/commit/a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Diff | [Diff](https://github.com/dotnet/runtime/compare/00115f085a2df36ea7b135673d290298e20775f7...a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Text.Json.Serialization.Tests.ReadJson<SimpleStructWithProperties>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [DeserializeFromUtf8Bytes - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 41.18 μs | 30.13 μs | 0.73 | 0.18 | False | | |
|
  • [DeserializeFromString - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 44.46 μs | 35.30 μs | 0.79 | 0.16 | False | | |
|
  • [DeserializeFromReader - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 59.92 μs | 49.74 μs | 0.83 | 0.15 | False | | |

![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson*'
```

### System.Text.Json.Serialization.Tests.ReadJson<SimpleStructWithProperties>.DeserializeFromUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.ReadJson<SimpleStructWithProperties>.DeserializeFromString(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.ReadJson<SimpleStructWithProperties>.DeserializeFromReader(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [da6081391e5d3227e462c082b345af8720db05c1](https://github.com/dotnet/runtime/commit/da6081391e5d3227e462c082b345af8720db05c1)
Compare | [a7bb6dfe4ab5ba1804be80698cf138a65e9c0370](https://github.com/dotnet/runtime/commit/a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Diff | [Diff](https://github.com/dotnet/runtime/compare/da6081391e5d3227e462c082b345af8720db05c1...a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Text.Json.Serialization.Tests.WriteJson<TreeRecord>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [SerializeToUtf8Bytes - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 1.43 ms | 1.13 ms | 0.79 | 0.26 | False | | |
|
  • [SerializeToWriter - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 1.48 ms | 1.18 ms | 0.80 | 0.22 | False | | |
|
  • [SerializeObjectProperty - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 1.60 ms | 1.32 ms | 0.83 | 0.20 | False | | |

![graph]()
![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson*'
```

### System.Text.Json.Serialization.Tests.WriteJson<TreeRecord>.SerializeToUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<TreeRecord>.SerializeToWriter(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson<TreeRecord>.SerializeObjectProperty(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [00115f085a2df36ea7b135673d290298e20775f7](https://github.com/dotnet/runtime/commit/00115f085a2df36ea7b135673d290298e20775f7)
Compare | [a7bb6dfe4ab5ba1804be80698cf138a65e9c0370](https://github.com/dotnet/runtime/commit/a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Diff | [Diff](https://github.com/dotnet/runtime/compare/00115f085a2df36ea7b135673d290298e20775f7...a7bb6dfe4ab5ba1804be80698cf138a65e9c0370)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Text.Json.Serialization.Tests.ReadJson<MyEventsListerViewModel>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [DeserializeFromString - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 68.32 ms | 56.51 ms | 0.83 | 0.15 | False | | |
|
  • [DeserializeFromReader - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 94.55 ms | 79.99 ms | 0.85 | 0.19 | False | | |

![graph]()
![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson*'
```

### System.Text.Json.Serialization.Tests.ReadJson<MyEventsListerViewModel>.DeserializeFromString(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.ReadJson<MyEventsListerViewModel>.DeserializeFromReader(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

Contributor guide

No contributing guide indexed for this repository

Research direction

Start with the linked benchmark source at src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs and the reported test history for the listed StructRecord and SimpleStructWithProperties cases. Run the provided benchmarks_ci.py command and compare the baseline and test reports. Because the issue only reports improvements, done would require triage or a documented explanation of whether any follow-up change is needed.

Written by the indexing model from the issue text.

Assessment

Tech stack
python, wasm
Domain
performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
30/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.