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Highly Performant & Scalable Ultima Online Server Emulator https://www.modernuo.com
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Kamron Batman 872de8d095
fix: Optimizes GetString to eliminate allocations (#2154) 
### Summary

* Optimized GetString by eliminating the intermediate string allocation.

** Note **: Encoding.GetChars() is still really inefficient, especially when strings are not aligned or have regular ascii/unicode characters. Thankfully we generally don't have to worry about these odd edge cases, but if they happen then GetChars can allocate hundreds of bytes.


This is a benchmark for just the related changes. NonSpecial are just ascii characters, while the other tests include control codes.
```cs
| Method                         | Mean     | Error   | StdDev  | Gen0   | Allocated |
|------------------------------- |---------:|--------:|--------:|-------:|----------:|
| GetString                      | 306.7 ns | 5.96 ns | 6.86 ns | 0.0124 |     200 B |
| GetStringNotSpecial            | 257.0 ns | 4.83 ns | 4.52 ns | 0.0114 |     184 B |
| GetStringSpanHelpers           | 166.4 ns | 3.26 ns | 3.48 ns |      - |         - |
| GetStringSpanHelpersNotSpecial | 137.3 ns | 1.57 ns | 1.22 ns |      - |         - |
```
2025-04-12 12:42:15 -07:00
.config fix: Fixes serialization generator issue with arrays (#2120) 2025-02-12 22:30:46 -08:00
.github chore: Bumps macos to 15 (#2085) 2025-01-23 19:36:30 -08:00
Distribution/Data feat: Adds item graphic size to Bounds.bin and makes item graphic offset available to gumps (#2115) 2025-02-10 19:31:39 -08:00
docs feat: Updates to .NET 9 (#1984) 2024-12-08 10:16:34 -08:00
Projects fix: Optimizes GetString to eliminate allocations (#2154) 2025-04-12 12:42:15 -07:00
.editorconfig chore(docs): Adds UnmanagedDataReader & BinaryFileReader documentation (#1968) 2024-10-01 17:07:51 -07:00
.gitattributes fix: Adds migration checks to CICD, updates dependencies, adds Fedora 37, alpine 3.17 support (#1309) 2022-12-22 12:12:47 -08:00
.gitignore feat: Moves logger to a separate assembly for reuse (#2001) 2024-12-30 20:25:34 -08:00
azure-pipelines.yml feat: Updates to .NET 9 (#1984) 2024-12-08 10:16:34 -08:00
CODE_OF_CONDUCT.md Create CODE_OF_CONDUCT.md 2020-05-05 08:51:39 -07:00
CONTRIBUTING.md chore(license): Removes CLA requirement. All contributors moving forward will retain copyright. (#2038) 2024-12-31 02:52:58 -08:00
Directory.Build.props chore(deps): Bumps Nerdbank, Hashing, FileSystemGlobbing, xunit, and C# version (#2077) 2025-01-18 17:02:18 -08:00
FAQ.md docs: Updates FAQ for time zone issues. (#1368) 2023-03-10 00:18:36 -08:00
global.json feat: Updates to .NET 9 (#1984) 2024-12-08 10:16:34 -08:00
LICENSE Fixes more line ending issues (#267) 2020-09-27 13:54:56 -07:00
mkdocs.yml docs: Updates serialization docs (#1327) 2023-02-02 19:37:18 -08:00
ModernUO.sln feat: Moves logger to a separate assembly for reuse (#2001) 2024-12-30 20:25:34 -08:00
publish.cmd fix: Fixes publishing (#1808) 2024-05-31 12:59:59 -07:00
publish.sh fix: Fixes publishing (#1808) 2024-05-31 12:59:59 -07:00
README.md feat: Updates to .NET 9 (#1984) 2024-12-08 10:16:34 -08:00
rider-settings.zip Cleanup/Housekeeping (#242) 2020-09-12 15:31:21 -07:00
Rules.ruleset chore(docs): Adds UnmanagedDataReader & BinaryFileReader documentation (#1968) 2024-10-01 17:07:51 -07:00
RUNUO_TO_MODERNUO.md fix: Update RUNUO_TO_MODERNUO.md (#1613) 2023-11-24 23:49:43 -08:00
SPONSORS.md feat: Splits Server in Core and Application (#1806) 2024-05-30 23:34:03 -07:00
stylecop.json Updates formatting rules (#199) 2020-08-25 18:00:51 -07:00
THIRD-PARTY-NOTICES chore: Updates 3rd party notices (#1042) 2022-06-01 09:42:11 -07:00
version.json chore(license): Removes CLA requirement. All contributors moving forward will retain copyright. (#2038) 2024-12-31 02:52:58 -08:00

README.md

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Ultima Online Server Emulator for the modern era!

GitHub license GitHub stars GitHub issues
GitHub build Azure Pipelines build

Requirements

Supported Operating Systems

Windows 10/11/2019/2022 MacOS 13+ Debian 11+ Ubuntu 20+ LTS
Alpine 3.18+ Fedora 40+ RedHat 8+ CentOS 9 openSUSE 15+ SUSE Enterprise 12 SP2+ Linux Mint 17+ Arch

Required Frameworks

All Operating Systems

.NET

Windows

VC++ Redistributable 17

Development

git .NET

Supported IDEs

Jetbrains Rider 2024.3+spaceVSCodespaceVisual Studio 2022 v17.12+

Getting Started

  • Install prerequisite requirements
  • Clone this repository (or download the latest):
    • git clone https://github.com/modernuo/ModernUO.git
  • Open ModernUO.sln to start developing

Building/Publishing

  • Run ./publish.cmd [release|debug (default: release)] [os] [arch (default: x64)]
    • os - Supported operating systems
      • win - Windows 10/11/2019/2022
      • osx - MacOS 12/13/14 (Sonoma, Big Sur, Monterey)
      • linux - Linux
    • arch
      • x64 - Intel 64-bit
      • arm64 - ARM 64-bit (Windows Arm64 not supported)

Linux Prerequisites

Fedora, CentOS, RHEL, etc

dnf upgrade --refresh -y
# CentOS does not come with EPEL enabled
dnf install -y epel-release epel-next-release
dnf install -y findutils libicu libdeflate-devel zstd libargon2-devel

Ubuntu, Debian, etc

apt-get update -y
apt-get install -y libicu-dev libdeflate-dev zstd libargon2-dev

OSX Requirements

brew install icu4c libdeflate zstd argon2

Running the Server

  • Follow the publish instructions
  • Run ModernUO.exe or dotnet ModernUO.dll from the Distribution directory on the

Troubleshooting / FAQ

Want to sponsor?

Thank you for supporting us! You can find out how by visiting the sponsors page.

Collaborators

Kamron Batman Mark1145

Thanks

  • RunUO Team & Community
  • Voxpire, the ServUO Team & Community
  • Karasho, Jaedan and the ClassicUO Community



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