Timerix/DTLib.XXHash
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update docs

Browse Source
This commit is contained in:
Oleksandr Melnyk 2022-06-05 21:51:05 +03:00
parent e9be009b3d
commit fd0957c08a
3 changed files with 31 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
CHANGELOG.md
View File

@ -1,3 +1,6 @@
# 2022-06-05
- Added SIMD support for xxHash128
- Inlined all method calls for xxHash128
# 2022-06-03
- Added xxHash128
- Migrated to net6

42
README.md
View File

@ -33,25 +33,37 @@ PM> Install-Package Standart.Hash.xxHash
```
## Benchmarks
This benchmark was launched on a **Windows 10 (10.0.16299.309)**. The reference system uses a **Intel Core i7-4700MQ CPU 2.40GHz (Haswell)**
This benchmark was launched on a **Windows 10.0.19044.1706 (21H2)**. The reference system uses a **AMD Ryzen 7 2700, 1 CPU, 16 logical and 8 physical cores**
```
BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1706 (21H2)
AMD Ryzen 7 2700, 1 CPU, 16 logical and 8 physical cores
.NET SDK=6.0.300
[Host] : .NET 6.0.5 (6.0.522.21309), X64 RyuJIT
Job-HQVLOG : .NET 6.0.5 (6.0.522.21309), X64 RyuJIT
Runtime=.NET 6.0
```
| Method | x64 |
|---------------|----------:|
| Hash32 Array | 5.05 GB/s |
| Hash64 Array | 8.92 GB/s |
| Hash32 Span | 5.05 GB/s |
| Hash64 Span | 8.92 GB/s |
| Hash32 Stream | 3.22 GB/s |
| Hash64 Stream | 4.81 GB/s |
| Method | x64 |
|----------------|----------=:|
| Hash32 Array | 5.87 GB/s |
| Hash64 Array | 9.07 GB/s |
| Hash128 Array | 12.04 GB/s |
| Hash32 Span | 5.87 GB/s |
| Hash64 Span | 9.07 GB/s |
| Hash128 Span | 12.04 GB/s |
| Hash32 Stream | 3.22 GB/s |
| Hash64 Stream | 4.81 GB/s |
## Comparison between С# and C implementation
| Method | Platform | Language | 1KB Time | 1MB Time | 1GB Time | Speed | Difference |
|--------|---------:|---------:|----------:|----------:|----------:|----------:|-----------:|
| Hash32 | x64 | C# | 185.1 ns | 170.6 us | 193.6 ms | 5.16 GB/s | 1.4 % |
| Hash32 | x64 | C | 183.5 ns | 170.1 us | 190.8 ms | 5.24 GB/s | 1.4 % |
| Hash64 | x64 | C# | 117.3 ns | 87.1 us | 116.9 ms | 8.55 GB/s | 2.4 % |
| Hash64 | x64 | C | 104.8 ns | 85.3 us | 114.1 ms | 8.76 GB/s | 2.4 % |
| Method | Platform | Language | 1KB Time | 1MB Time | 1GB Time | Speed |
|-------------------:|---------:|---------:|----------:|----------:|----------:|-----------:|
| Hash32 | x64 | C# | 151.5 ns | 143.4 us | 170.3 ms | 5.87 GB/s |
| Hash32 | x64 | C | 138.5 ns | 129.5 us | 152.4 ms | 6.56 GB/s |
| Hash64 | x64 | C# | 84.6 ns | 77.9 us | 110.2 ms | 9.07 GB/s |
| Hash64 | x64 | C | 74.2 ns | 64.8 us | 83.0 ms | 12.04 GB/s |
| Hash128 (SSE2/AVX2)| x64 | C# | 151.6 ns | 64.5 us | 80.5 ms | 12.04 GB/s |
| Hash128 (SSE2/AVX2)| x64 | C | 84.4 ns | 38.3 us | 57.4 ms | 17.42 GB/s |
## Api

2
nuget.props
View File

@ -3,7 +3,7 @@
<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<PackageId>Standart.Hash.xxHash</PackageId>
<VersionPrefix>4.0.0</VersionPrefix>
<VersionPrefix>4.0.1</VersionPrefix>
<AssemblyName>Standart.Hash.xxHash</AssemblyName>
<AssemblyTitle>Standart.Hash.xxHash</AssemblyTitle>
<Authors>Oleksandr Melnyk</Authors>