Author

Xiaohongshu Tech REDtech

Official account of the Xiaohongshu tech team, sharing tech innovations and problem insights, advancing together.

119

Articles

Likes

409

Views

Comments

Latest from Xiaohongshu Tech REDtech

100 recent articles max

Xiaohongshu Tech REDtech

Oct 21, 2023 · Artificial Intelligence

Large Models and Recommendation Systems: Challenges, Opportunities, and Industry Insights (CNCC 2023 Technical Forum)

The CNCC 2023 Technical Forum highlighted how large models can boost recommendation systems with stronger generalization and knowledge understanding, while also raising challenges like high computational costs, interpretability, and ethics, featuring talks from experts at Xiaohongshu, USTC, Tsinghua, Renmin University, and Huawei.

CNCC 2023Industry TalkMachine Learning

0 likes · 8 min read

Large Models and Recommendation Systems: Challenges, Opportunities, and Industry Insights (CNCC 2023 Technical Forum)

Xiaohongshu Tech REDtech

Sep 21, 2023 · Artificial Intelligence

Xiaohongshu Team’s Four ICCV 2023 Papers on Open‑Vocabulary Video Instance Segmentation, One‑Shot 3D Avatar Learning, Test‑Time Personalized Human Pose Forecasting, and MPI‑Flow for Realistic Optical Flow

The Xiaohongshu technical team secured four ICCV 2023 papers—including an oral presentation—introducing an open‑vocabulary video instance segmentation benchmark and model, a one‑shot neural‑radiance‑field avatar method, a test‑time personalized 3D pose forecasting framework, and an MPI‑based realistic optical‑flow generation technique, all achieving state‑of‑the‑art performance.

3D avatarHuman Pose ForecastingICCV 2023

0 likes · 14 min read

Xiaohongshu Tech REDtech

Sep 6, 2023 · Databases

REDck: A Cloud‑Native Real‑Time OLAP Data Warehouse Built on ClickHouse

REDck is a cloud‑native, real‑time OLAP data warehouse built on ClickHouse that adds elastic compute and storage scaling, object‑storage optimizations, multi‑level caching, and exactly‑once ingestion, delivering petabyte‑scale interactive analytics with ten‑fold CPU efficiency, ten‑fold cost reduction, and 99.9% availability.

Big DataClickHouseReal-time OLAP

0 likes · 21 min read

REDck: A Cloud‑Native Real‑Time OLAP Data Warehouse Built on ClickHouse

Xiaohongshu Tech REDtech

Aug 25, 2023 · Artificial Intelligence

DataFunSummit 2023: Recommendation Systems Online Summit

The DataFunSummit 2023 online summit (August 26‑27) will explore eight recommendation‑system topics—including core and engineering architecture, model training/inference, large models, graphs, cold start, and multi‑task scenarios—featuring Xiaohongshu leaders who will present on graph‑based business architecture, integrated training‑inference pipelines, and user/content cold‑start strategies.

AI EngineeringLarge ModelsRecommendation Systems

0 likes · 6 min read

DataFunSummit 2023: Recommendation Systems Online Summit

Xiaohongshu Tech REDtech

Aug 17, 2023 · Artificial Intelligence

Human Visual Perception Based Edge‑Cloud Super‑Resolution Framework and RedVQA Quality Assessment at XiaoHongShu

At LiveVideoStackCon 2023, XiaoHongShu unveiled an edge‑cloud super‑resolution framework guided by the human‑perception‑aligned RedVQA model, which jointly optimizes video quality and bandwidth by generating a dedicated SR bitrate tier in the cloud and applying a lightweight SR algorithm on the client, achieving notable QoE gains and narrow‑band HD delivery.

AIbandwidth optimizationedge-cloud

0 likes · 25 min read

Human Visual Perception Based Edge‑Cloud Super‑Resolution Framework and RedVQA Quality Assessment at XiaoHongShu

Xiaohongshu Tech REDtech

Jul 26, 2023 · Industry Insights

Human‑Perception‑Based End‑Cloud Super‑Resolution: Cutting Bandwidth, Boosting Quality

The LiveVideoStackCon 2023 session revealed how a human‑perception‑driven end‑cloud super‑resolution framework, AI‑based no‑reference video quality assessment, and rigorous AB‑testing methods can dramatically reduce video bandwidth while enhancing visual quality, illustrating the broader challenges and opportunities in modern audio‑video systems.

AB testingAI assessmentaudio-video industry

0 likes · 13 min read

Human‑Perception‑Based End‑Cloud Super‑Resolution: Cutting Bandwidth, Boosting Quality

Xiaohongshu Tech REDtech

Jun 20, 2023 · Artificial Intelligence

Open-Vocabulary Object Attribute Recognition with OvarNet: A Unified Framework for Detection and Attribute Classification

At CVPR 2023 the Xiaohongshu team presented OvarNet, a unified one‑stage Faster‑RCNN model built on CLIP that uses prompt learning and knowledge distillation to jointly detect objects and recognize open‑vocabulary attributes, achieving state‑of‑the‑art results on VAW, MS‑COCO, LSA and OVAD datasets.

Knowledge DistillationMultimodal Learningattribute recognition

0 likes · 12 min read

Open-Vocabulary Object Attribute Recognition with OvarNet: A Unified Framework for Detection and Attribute Classification

Xiaohongshu Tech REDtech

May 15, 2023 · Artificial Intelligence

GPU-Accelerated Inference Optimization for Large-Scale Machine Learning at Xiaohongshu

Xiaohongshu transformed its recommendation, advertising, and search inference pipeline by migrating to GPU‑centric hardware, deploying a custom TensorFlow‑Core Lambda service, and applying system‑level, virtualization, and compute‑level optimizations—including NUMA binding, kernel fusion, dynamic scaling, and FP16 quantization—achieving roughly 30× compute capacity growth, over 10% user‑metric gains, and more than 50% cluster‑resource savings.

GPU optimizationMachine Learning Inferencehardware acceleration

0 likes · 20 min read

GPU-Accelerated Inference Optimization for Large-Scale Machine Learning at Xiaohongshu

Xiaohongshu Tech REDtech

Apr 25, 2023 · Databases

REDtao: A High-Performance Graph Storage System for Social Graph Data

REDtao is a high‑performance graph storage system built for Xiaohongshu that extends Facebook’s Tao architecture with a three‑layer hash structure, decoupled caching, leader‑follower distribution and cross‑cloud availability, delivering over 90% cache hits, 70% MySQL CPU reduction, 150 M QPS on a 16‑core server and seamless migration despite a 250% surge in daily‑active‑user traffic.

CachingGraph Databasecloud-native

0 likes · 17 min read

REDtao: A High-Performance Graph Storage System for Social Graph Data

Xiaohongshu Tech REDtech

Apr 3, 2023 · Industry Insights

What Drives Intelligent Recommendation and Search? Key Takeaways from Xiaohongshu’s CCF C³ Event

The CCF C³ event at Xiaohongshu gathered leading researchers and industry experts to dissect the latest advances, challenges, and future opportunities in intelligent recommendation and search, including multimodal content handling, decentralized distribution, cold‑start solutions, and the impact of large language models.

AIIndustry InsightsRecommendation Systems

0 likes · 11 min read