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yan_cheng

Systems & runtime performance engineer. Profiling latency, memory footprints, and concurrency bottlenecks across open-source tools and LLM inference pipelines.

Location Frankfurt, Germany Joined Joined on 

Work

Systems & Performance Engineer

SGLang Has Real Runtime Ideas, but the Serving Trade-offs Still Matter

SGLang Has Real Runtime Ideas, but the Serving Trade-offs Still Matter

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2 min read
OpenViking’s Filesystem View of Agent Context Is a Welcome Escape from RAG Glue Code

OpenViking’s Filesystem View of Agent Context Is a Welcome Escape from RAG Glue Code

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2 min read
A Late-Night OpenLogi Test: The HID++ Edges Matter More Than the Star Count

A Late-Night OpenLogi Test: The HID++ Edges Matter More Than the Star Count

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2 min read
I Wired ai-memory into My Coding Routine and Stopped Losing Agent Context

I Wired ai-memory into My Coding Routine and Stopped Losing Agent Context

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2 min read
Dissecting TencentDB Agent Memory Through Its Cold-Start Path

Dissecting TencentDB Agent Memory Through Its Cold-Start Path

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2 min read
A Coding Break With rustc: The First Build Was the Real Debugging Session

A Coding Break With rustc: The First Build Was the Real Debugging Session

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2 min read
I Expected More Process, but GitHub Spec Kit Feels Surprisingly Fast

I Expected More Process, but GitHub Spec Kit Feels Surprisingly Fast

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2 min read
1,500 Tokens per Second Is Impressive—But I Would Not Ship on That Number Alone

1,500 Tokens per Second Is Impressive—But I Would Not Ship on That Number Alone

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2 min read
Inside `coreyhaines31/marketingskills`: A Practical Skill Layer for AI Agents

Inside `coreyhaines31/marketingskills`: A Practical Skill Layer for AI Agents

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2 min read
Why `affaan-m/ECC` Is Gaining Attention Among Agent Harness Engineers

Why `affaan-m/ECC` Is Gaining Attention Among Agent Harness Engineers

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2 min read
RustDesk Is Trending: A Practical Look at Self-Hosted Remote Desktop

RustDesk Is Trending: A Practical Look at Self-Hosted Remote Desktop

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2 min read
Inside `awslabs/aidlc-workflows`: Steering AI Coding Agents with Adaptive Rules

Inside `awslabs/aidlc-workflows`: Steering AI Coding Agents with Adaptive Rules

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2 min read
Why `jlcodes99/cockpit-tools` Is Gaining Attention Among AI IDE Power Users

Why `jlcodes99/cockpit-tools` Is Gaining Attention Among AI IDE Power Users

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2 min read
Inside `pacifio/atlas`: A Practical Look at Source Control for Coding Agents

Inside `pacifio/atlas`: A Practical Look at Source Control for Coding Agents

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2 min read
Inside `KeygraphHQ/shannon`: A Practical Look at AI-Driven Web Security Testing

Inside `KeygraphHQ/shannon`: A Practical Look at AI-Driven Web Security Testing

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2 min read
Inside `blader/humanizer`: What Developers Should Know Before Using It

Inside `blader/humanizer`: What Developers Should Know Before Using It

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2 min read
Inside `google-research/timesfm`: A Practical Look at Google’s Time-Series Foundation Model

Inside `google-research/timesfm`: A Practical Look at Google’s Time-Series Foundation Model

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2 min read
Why `apache/maka` Is Trending: A Quick Developer Breakdown

Why `apache/maka` Is Trending: A Quick Developer Breakdown

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1 min read
Inside `0xPlaygrounds/rig`: A Rust-First Architecture for Modular LLM Apps

Inside `0xPlaygrounds/rig`: A Rust-First Architecture for Modular LLM Apps

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2 min read
Inside `MakazhanAlpamys/Soup`: One YAML File for Local LLM Fine-Tuning

Inside `MakazhanAlpamys/Soup`: One YAML File for Local LLM Fine-Tuning

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2 min read
What Developers Should Verify Before Adopting `sponsors/openclaw`

What Developers Should Verify Before Adopting `sponsors/openclaw`

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2 min read
Tried `Imbad0202/academic-research-skills`: A Structured Research Workflow for Claude Code

Tried `Imbad0202/academic-research-skills`: A Structured Research Workflow for Claude Code

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2 min read
Tried `Alishahryar1/free-claude-code`: A Fast Technical Review for Developers

Tried `Alishahryar1/free-claude-code`: A Fast Technical Review for Developers

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2 min read
A Quick Technical Look at `sponsors/Hmbown`: A Rust Coding Agent for the Terminal

A Quick Technical Look at `sponsors/Hmbown`: A Rust Coding Agent for the Terminal

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2 min read
Tried `darkzOGx/youtube-automation-agent`: A Quick Technical Review

Tried `darkzOGx/youtube-automation-agent`: A Quick Technical Review

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2 min read
Tried `sponsors/wonderwhy-er`: A Practical MCP Server Review

Tried `sponsors/wonderwhy-er`: A Practical MCP Server Review

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2 min read
Tried `browser-use/video-use`: Coding Agents for Video Editing

Tried `browser-use/video-use`: Coding Agents for Video Editing

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2 min read
Tried `warpdotdev/warp` Today: A Fast Path from Terminal to Agentic Development

Tried `warpdotdev/warp` Today: A Fast Path from Terminal to Agentic Development

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2 min read
Tried `apache/datafusion` Today: A Fast SQL Engine for AI Data Workloads

Tried `apache/datafusion` Today: A Fast SQL Engine for AI Data Workloads

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2 min read
Tried `microsoft/monaco-editor`: A Practical AI Coding Editor Building Block

Tried `microsoft/monaco-editor`: A Practical AI Coding Editor Building Block

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2 min read
Quick Test Drive: `handsomestWei/patent-disclosure-skill` for AI-Assisted Patent Work

Quick Test Drive: `handsomestWei/patent-disclosure-skill` for AI-Assisted Patent Work

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2 min read
今天试了 `sponsors/Lakr233`:给 AI 开发者的快速评测

今天试了 `sponsors/Lakr233`:给 AI 开发者的快速评测

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1 min read
试了 `sponsors/mksglu`:给 AI Coding Agent 做上下文减负

试了 `sponsors/mksglu`:给 AI Coding Agent 做上下文减负

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1 min read
Tried `ComposioHQ/awesome-claude-skills`: A Practical Map for Better Claude Workflows

Tried `ComposioHQ/awesome-claude-skills`: A Practical Map for Better Claude Workflows

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2 min read
Tried `twentyhq/twenty` Today: An Open CRM Built for AI

Tried `twentyhq/twenty` Today: An Open CRM Built for AI

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2 min read
Tried `livekit/agents` Today: A Fast Path to Realtime Voice AI

Tried `livekit/agents` Today: A Fast Path to Realtime Voice AI

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2 min read
Tried `sponsors/abi`: Screenshot-to-Code With a Practical AI Gateway

Tried `sponsors/abi`: Screenshot-to-Code With a Practical AI Gateway

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2 min read
Quick Test Drive: `sponsors/rohitg00` for AI Developers

Quick Test Drive: `sponsors/rohitg00` for AI Developers

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2 min read
Tried `sponsors/rohitg00`: A Quick Test Drive for AI Developers

Tried `sponsors/rohitg00`: A Quick Test Drive for AI Developers

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2 min read
Tried `sponsors/rohitg00`: A Quick Review for AI Developers

Tried `sponsors/rohitg00`: A Quick Review for AI Developers

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2 min read
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