Yoshifumi Kawai – Medium

Yoshifumi Kawai

Fast Dictionary Lookup of UTF-8 String in the C# 13 with .NET 9 AlternateLookup

In .NET 9, a new method GetAlternateLookup<TKey, TValue, TAlternate>() has been added to dictionary-like classes: Dictionary…

Aug 29

Aug 29

ZLogger v2 Architecture: Leveraging .NET 8 to Maximize Performance

We have released ZLogger v2, a new ultra-fast and low-allocation logging library for C# and .NET. It’s been completely redesigned from v1…

Jul 5

ZLogger v2 Architecture: Leveraging .NET 8 to Maximize Performance

Jul 5

ConsoleAppFramework v5 — Zero Overhead, Native AOT-compatible CLI Framework for C#

We have released a completely new version of ConsoleAppFramework. It is a brand new framework that has been completely redesigned and…

Jun 14

Jun 14

How to create a modern C# web API client: An example implementation of the C# SDK for Anthropic…

Anthropic Claude 3, a recently emerged rising star among LLMs, has exceptionally high performance and surpasses GPT-4! I am greatly…

Mar 24

How to create a modern C# web API client: An example implementation of the C# SDK for Anthropic…

Mar 24

R3 — A New Modern Reimplementation of Reactive Extensions for C#

Recently, I officially released R3 as a new implementation of Reactive Extensions for C#! R3 is named as the third generation of Rx…

Mar 5

R3 — A New Modern Reimplementation of Reactive Extensions for C#

Mar 5

Introducing Utf8StringInterpolation: Optimizing UTF8 String Generation in C#

We are excited to announce the release of a new library, Utf8StringInterpolation! This library specializes in generating and writing UTF8…

Oct 16, 2023

Oct 16, 2023

Introducing the PrivateProxy Library Utilizing .NET 8 UnsafeAccessor

I am excited to announce the release of the PrivateProxy library. In essence, it is a library that provides access to private…

Sep 25, 2023

Introducing the PrivateProxy Library Utilizing .NET 8 UnsafeAccessor

Sep 25, 2023

Modern High Performance C# 2023 Edition

I recently spoke at CEDEC 2023, the largest game developer conference in Japan. The topic of my talk was about C# performance, drawing on…

Aug 30, 2023

Aug 30, 2023

YetAnotherHttpHandler, new HTTP/2, gRPC Client for Unity and .NET Framework

Cysharp has released a communication network client mainly for Unity, supporting HTTP/2, gRPC, and MagicOnion.

Jul 31, 2023

Jul 31, 2023

MagicPhysX — A Cross-Platform Physics Engine for .NET

I’m excited to announce the release of a new library, MagicPhysX! It’s a physics engine designed for use with .NET, and as its name…

Jul 4, 2023

MagicPhysX — A Cross-Platform Physics Engine for .NET

Jul 4, 2023

Yoshifumi Kawai

Yoshifumi Kawai

a.k.a. neuecc. Creator of UniRx, UniTask, MessagePack for C#, MagicOnion etc. Microsoft MVP for C#. CEO/CTO of Cysharp Inc. Live and work in Tokyo, Japan.

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