ttustonic commented on issue #929:
URL: https://github.com/apache/lucenenet/issues/929#issuecomment-2448143661
Here are the results. I repeated tests with the version 00016, and run new
benchmark with 00017.
**ver 00016 repeat**
**Workstation GC**
```
BenchmarkDotNet v0.13.12, Windows 10 (10.0.19045.5011/22H2/2022Update)
AMD Ryzen 7 1700, 1 CPU, 16 logical and 8 physical cores
[Host] : .NET Framework 4.8.1 (4.8.9277.0), X64 RyuJIT
VectorSize=256
.NET 6.0 : .NET 6.0.35 (6.0.3524.45918), X64 RyuJIT AVX2
.NET 8.0 : .NET 8.0.8 (8.0.824.36612), X64 RyuJIT AVX2
.NET Framework 4.7.2 : .NET Framework 4.8.1 (4.8.9277.0), X64 RyuJIT
VectorSize=256
```
| Method | Job | Runtime |
Mean | Error | StdDev | Median |
|--------------------------- |--------------------- |---------------------
|--------:|--------:|--------:|--------:|
| SearchWithFullMatchResult | .NET 6.0 | .NET 6.0 |
47.23 s | 0.839 s | 0.784 s | 47.21 s |
| SearchWithEmptyMatchResult | .NET 6.0 | .NET 6.0 |
35.39 s | 0.705 s | 1.307 s | 35.98 s |
| SearchWithFullMatchResult | .NET 8.0 | .NET 8.0 |
60.89 s | 1.180 s | 1.211 s | 60.79 s |
| SearchWithEmptyMatchResult | .NET 8.0 | .NET 8.0 |
53.63 s | 1.067 s | 2.180 s | 54.05 s |
| SearchWithFullMatchResult | .NET Framework 4.7.2 | .NET Framework 4.7.2 |
46.04 s | 0.172 s | 0.152 s | 46.09 s |
| SearchWithEmptyMatchResult | .NET Framework 4.7.2 | .NET Framework 4.7.2 |
10.58 s | 0.094 s | 0.083 s | 10.60 s |
**Server GC**
```
BenchmarkDotNet v0.13.12, Windows 10 (10.0.19045.5011/22H2/2022Update)
AMD Ryzen 7 1700, 1 CPU, 16 logical and 8 physical cores
.NET SDK 8.0.400
[Host] : .NET 8.0.8 (8.0.824.36612), X64 RyuJIT AVX2
.NET 6.0 : .NET 6.0.35 (6.0.3524.45918), X64 RyuJIT AVX2
.NET 8.0 : .NET 8.0.8 (8.0.824.36612), X64 RyuJIT AVX2
.NET Framework 4.7.2 : .NET Framework 4.8.1 (4.8.9277.0), X64 RyuJIT
VectorSize=256
```
| Method | Job | Runtime |
Mean | Error | StdDev |
|--------------------------- |--------------------- |---------------------
|---------:|---------:|---------:|
| SearchWithFullMatchResult | .NET 6.0 | .NET 6.0 |
23.911 s | 0.1193 s | 0.1116 s |
| SearchWithEmptyMatchResult | .NET 6.0 | .NET 6.0 |
8.936 s | 0.0930 s | 0.0870 s |
| SearchWithFullMatchResult | .NET 8.0 | .NET 8.0 |
16.681 s | 0.1385 s | 0.1156 s |
| SearchWithEmptyMatchResult | .NET 8.0 | .NET 8.0 |
7.151 s | 0.1428 s | 0.1336 s |
| SearchWithFullMatchResult | .NET Framework 4.7.2 | .NET Framework 4.7.2 |
45.861 s | 0.3823 s | 0.3576 s |
| SearchWithEmptyMatchResult | .NET Framework 4.7.2 | .NET Framework 4.7.2 |
10.845 s | 0.0958 s | 0.0896 s |
**Version 00017**
**Workstation GC**
```
BenchmarkDotNet v0.13.12, Windows 10 (10.0.19045.5011/22H2/2022Update)
AMD Ryzen 7 1700, 1 CPU, 16 logical and 8 physical cores
.NET SDK 8.0.400
[Host] : .NET 8.0.8 (8.0.824.36612), X64 RyuJIT AVX2
.NET 6.0 : .NET 6.0.35 (6.0.3524.45918), X64 RyuJIT AVX2
.NET 8.0 : .NET 8.0.8 (8.0.824.36612), X64 RyuJIT AVX2
.NET Framework 4.7.2 : .NET Framework 4.8.1 (4.8.9277.0), X64 RyuJIT
VectorSize=256
```
| Method | Job | Runtime |
Mean | Error | StdDev |
|--------------------------- |--------------------- |---------------------
|--------:|--------:|--------:|
| SearchWithFullMatchResult | .NET 6.0 | .NET 6.0 |
48.35 s | 0.620 s | 0.550 s |
| SearchWithEmptyMatchResult | .NET 6.0 | .NET 6.0 |
36.33 s | 0.722 s | 1.373 s |
| SearchWithFullMatchResult | .NET 8.0 | .NET 8.0 |
63.31 s | 1.095 s | 0.971 s |
| SearchWithEmptyMatchResult | .NET 8.0 | .NET 8.0 |
55.18 s | 1.102 s | 2.662 s |
| SearchWithFullMatchResult | .NET Framework 4.7.2 | .NET Framework 4.7.2 |
47.37 s | 0.131 s | 0.116 s |
| SearchWithEmptyMatchResult | .NET Framework 4.7.2 | .NET Framework 4.7.2 |
11.30 s | 0.069 s | 0.064 s |
**Server GC**
```
BenchmarkDotNet v0.13.12, Windows 10 (10.0.19045.5011/22H2/2022Update)
AMD Ryzen 7 1700, 1 CPU, 16 logical and 8 physical cores
.NET SDK 8.0.400
[Host] : .NET 8.0.8 (8.0.824.36612), X64 RyuJIT AVX2
.NET 6.0 : .NET 6.0.35 (6.0.3524.45918), X64 RyuJIT AVX2
.NET 8.0 : .NET 8.0.8 (8.0.824.36612), X64 RyuJIT AVX2
.NET Framework 4.7.2 : .NET Framework 4.8.1 (4.8.9277.0), X64 RyuJIT
VectorSize=256
```
| Method | Job | Runtime |
Mean | Error | StdDev |
|--------------------------- |--------------------- |---------------------
|---------:|---------:|---------:|
| SearchWithFullMatchResult | .NET 6.0 | .NET 6.0 |
24.193 s | 0.0857 s | 0.0760 s |
| SearchWithEmptyMatchResult | .NET 6.0 | .NET 6.0 |
9.195 s | 0.1838 s | 0.1719 s |
| SearchWithFullMatchResult | .NET 8.0 | .NET 8.0 |
17.075 s | 0.0988 s | 0.0876 s |
| SearchWithEmptyMatchResult | .NET 8.0 | .NET 8.0 |
7.116 s | 0.1073 s | 0.1004 s |
| SearchWithFullMatchResult | .NET Framework 4.7.2 | .NET Framework 4.7.2 |
45.745 s | 0.3381 s | 0.2997 s |
| SearchWithEmptyMatchResult | .NET Framework 4.7.2 | .NET Framework 4.7.2 |
10.605 s | 0.0473 s | 0.0419 s |
It seems that with the newer version of .Net 8.0 things got worse with old
version 00016. Also, it seems that the version 00017 seems to be a bit worse.
[benchmark-00016.zip](https://github.com/user-attachments/files/17577824/benchmark-00016.zip)
[benchmark-00017.zip](https://github.com/user-attachments/files/17577827/benchmark-00017.zip)
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