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Latest from Bilibili Tech

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Bilibili Tech

Feb 13, 2026 · Artificial Intelligence

Self-Forcing: Turning Global Video Diffusion into Causal Streaming for Long-Form Generation

This article examines the Wan2.1 video diffusion model, identifies its scalability bottlenecks for long and real‑time video generation, and introduces the Self‑Forcing causal framework together with sequence‑parallel and RoPE optimizations that achieve sub‑second latency and up to 1.5× speed‑up on modern GPUs.

GPU OptimizationVideo Diffusioncausal inference

0 likes · 14 min read

Self-Forcing: Turning Global Video Diffusion into Causal Streaming for Long-Form Generation

Bilibili Tech

Jan 28, 2026 · Artificial Intelligence

Boosting Video Generation Inference: Full Graph Compilation with torch.compile

This article examines the challenges of optimizing video generation model inference, moving from operator-level tweaks to full-graph compilation using torch.compile, and details systematic strategies to eliminate Graph Breaks, handle dynamic shapes, KV-Cache indexing, and Python-side caches, achieving a 47.6% speedup on a 14B model without accuracy loss.

AIInference Accelerationgraph optimization

0 likes · 14 min read

Boosting Video Generation Inference: Full Graph Compilation with torch.compile

Bilibili Tech

Dec 19, 2025 · Artificial Intelligence

SABER: Switchable and Balanced Training for Efficient LLM Reasoning

SABER introduces a reinforcement‑learning framework that lets large language models dynamically switch among four token‑budgeted reasoning modes, dramatically cutting inference length while preserving or improving accuracy across math, code, and logic tasks.

Budgeted ComputationEfficient ReasoningLLM

0 likes · 13 min read

SABER: Switchable and Balanced Training for Efficient LLM Reasoning

Bilibili Tech

Dec 12, 2025 · Artificial Intelligence

Turning a Simple JS Function into a Cross‑Platform AI Tool with MCP

This article details how we built an AI‑tool ecosystem by evolving a basic online JS cloud‑function platform into a unified, reusable capability layer that integrates with Flowise, LangChain StructuredTool, and the Model Context Protocol (MCP) to provide secure, cross‑platform tool calls for agents.

AI toolsLangChainMCP

0 likes · 20 min read

Turning a Simple JS Function into a Cross‑Platform AI Tool with MCP

Bilibili Tech

Nov 28, 2025 · Artificial Intelligence

How We Built an LLM‑Powered AI Hub to Read and Analyze Community Chats

This article details the design and deployment of a multi‑layer LLM system that automatically reads massive creator group chats, extracts structured insights, mitigates hallucinations with dual‑model verification, uses few‑shot prompting for stable output, and delivers real‑time risk alerts and operational reports.

AI OperationsFew-Shot LearningLLM

0 likes · 14 min read

How We Built an LLM‑Powered AI Hub to Read and Analyze Community Chats

Bilibili Tech

Nov 27, 2025 · Artificial Intelligence

Mastering Agentic Systems with Blades: Concepts, Code, and Workflow Patterns

This article explains what an AI Agent is, distinguishes it from traditional workflows, and demonstrates how to build and customize agents using the Go‑based Blades framework, covering core concepts, code examples, five workflow patterns, best‑practice guidelines, and reference resources.

AIBladesGo

0 likes · 11 min read

Mastering Agentic Systems with Blades: Concepts, Code, and Workflow Patterns

Bilibili Tech

Nov 21, 2025 · Backend Development

How Bilibili Scaled Its Private Messaging System to Handle 10× Traffic

This article analyzes the current bottlenecks of Bilibili's private messaging service, explains the technical challenges of massive data volume and traffic spikes, and presents a comprehensive multi‑layer architecture upgrade—including cache strategies, BFF refactoring, database sharding, and consistency mechanisms—to ensure scalability and reliability.

BFFconsistencydatabase sharding

0 likes · 16 min read

How Bilibili Scaled Its Private Messaging System to Handle 10× Traffic

Bilibili Tech

Nov 7, 2025 · Information Security

How AI-Driven Automation Transforms Security Alert Operations and Incident Tracing

This article explores the evolution of security alert automation from manual verification to SOAR and AI-driven solutions, detailing MCP-based AI agents, integration with various security tools, practical case studies of honey‑pot, HIDS, and EDR alert tracing, and the resulting efficiency gains and future outlook.

AIAlert AnalysisMCP

0 likes · 16 min read

How AI-Driven Automation Transforms Security Alert Operations and Incident Tracing

Bilibili Tech

Oct 31, 2025 · Artificial Intelligence

RIVAL: Adversarial RL Framework Elevates Conversational Subtitle Translation

RIVAL (Reinforcement Learning with Iterative and Adversarial Optimization) introduces an adversarial game between a reward model and a translation LLM, combining qualitative preference rewards with quantitative metrics like BLEU, to overcome distribution shift in RLHF and achieve superior performance on conversational subtitle and WMT translation tasks.

BLEULLMadversarial training

0 likes · 13 min read

RIVAL: Adversarial RL Framework Elevates Conversational Subtitle Translation

Bilibili Tech

Oct 27, 2025 · Artificial Intelligence

How Bilibili’s LLM-Powered System Cuts Game Localization Costs by 80%

Bilibili’s game algorithm team built a four‑layer, LLM‑based translation platform that automates terminology extraction, retrieval‑augmented generation, and quality assessment, dramatically reducing localization cycles by over 85% and costs by up to 80% while supporting ten languages and ensuring consistent, culturally‑accurate game text.

LLMRAGgame localization

0 likes · 20 min read

How Bilibili’s LLM-Powered System Cuts Game Localization Costs by 80%